Base_JSON/prefixM/json/mwe/2020.mwe-1.5.json

{
    "paper_id": "2020",
    "header": {
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        "date_generated": "2023-01-19T03:15:06.890098Z"
    },
    "title": "Polish corpus of verbal multiword expressions",
    "authors": [
        {
            "first": "Agata",
            "middle": [],
            "last": "Savary",
            "suffix": "",
            "affiliation": {
                "laboratory": "",
                "institution": "LIFAT",
                "location": {
                    "country": "France"
                }
            },
            "email": ""
        },
        {
            "first": "Jakub",
            "middle": [],
            "last": "Waszczuk",
            "suffix": "",
            "affiliation": {
                "laboratory": "",
                "institution": "Heinrich Heine Universit\u00e4t D\u00fcsseldorf",
                "location": {
                    "country": "Germany"
                }
            },
            "email": "waszczuk@phil.hhu.de"
        }
    ],
    "year": "",
    "venue": null,
    "identifiers": {},
    "abstract": "This paper describes a manually annotated corpus of verbal multi-word expressions in Polish. It is among the 4 biggest datasets in release 1.2 of the PARSEME multiligual corpus. We describe the data sources, as well as the annotation process and its outcomes. We also present interesting phenomena encountered during the annotation task and put forward enhancements for the PARSEME annotation guidelines. This work is licensed under a Creative Commons Attribution 4.0 International License. License details: http:// creativecommons.org/licenses/by/4.0/. 1 Henceforth, the lexicalized components of MWEs are highlighted in bold, an asterisk (*) means ungrammaticality, while a dash (#) signals a substantial change in meaning with respect to the original expression.",
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        "abstract": [
            {
                "text": "This paper describes a manually annotated corpus of verbal multi-word expressions in Polish. It is among the 4 biggest datasets in release 1.2 of the PARSEME multiligual corpus. We describe the data sources, as well as the annotation process and its outcomes. We also present interesting phenomena encountered during the annotation task and put forward enhancements for the PARSEME annotation guidelines. This work is licensed under a Creative Commons Attribution 4.0 International License. License details: http:// creativecommons.org/licenses/by/4.0/. 1 Henceforth, the lexicalized components of MWEs are highlighted in bold, an asterisk (*) means ungrammaticality, while a dash (#) signals a substantial change in meaning with respect to the original expression.",
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                "section": "Abstract",
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                "text": "Multiword expressions (MWEs), such as at times, red tape or take off, are word combinations with idiosyntactic behaviour, notably non-compositional semantics. Therefore, they constitute a challenge for linguistic modelling and semantically-oriented text processing. Verbal MWEs (VMWEs), like to bear sth in mind, are particularly challenging due to their partly regular and partly idiosyncratic morphosyntactic flexibility, and their frequent discontinuity in texts . These challenges are even harder in languages like Polish, with rich inflectional morphology and a relatively free word order.",
                "cite_spans": [],
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                "section": "Introduction",
                "sec_num": "1"
            },
            {
                "text": "In order to bring progress to MWE modelling and processing, the PARSEME initiative has been coordinating multilingual efforts towards annotating VMWEs in corpora and their automatic identification in texts . This paper describes the most recent version of the Polish corpus, which is the 4th biggest dataset in edition 1.2 of the PARSEME suite (Ramisch et al., 2020) . We show how the basic definitions from the PARSEME methodology apply to Polish (Sec. 2), we analyse the state of the art in Polish MWE-annotated corpora (Sec. 3), we describe the construction of our corpus (Sec. 4) and its outcomes (Sec. 5). We evoke some challenging phenomena and lessons learned from manual annotation (Sec. 6) and on this basis we put forward some recommendations for enhancing the PARSEME annotation guidelines (Sec. 7). Finally, we conclude and sketch perspectives for future work (Sec. 8).",
                "cite_spans": [
                    {
                        "start": 344,
                        "end": 366,
                        "text": "(Ramisch et al., 2020)",
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                ],
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                "section": "Introduction",
                "sec_num": "1"
            },
            {
                "text": "The Polish VMWE dataset is integrated in the PARSEME corpus annotation methodology. The latter increasingly relies on (version 2 of) Universal Dependencies (UD), a de facto standard for morphosyntactic annotation (Nivre et al., 2020) . Thus, we largely follow the definitions of both initiatives.",
                "cite_spans": [
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                        "start": 213,
                        "end": 233,
                        "text": "(Nivre et al., 2020)",
                        "ref_id": "BIBREF5"
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                ],
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                "section": "Verbal multiword expressions in Polish",
                "sec_num": "2"
            },
            {
                "text": "Firstly, we differentiate words (linguistically motivated units undergoing syntactic relations) from tokens (technical items resulting from corpus segmentation). This difference is notably visible in multiword tokens (MWTs), highly productive in some Polish verb forms like widzia\u0142|em 'I saw ' (cf. Sec. 6) .",
                "cite_spans": [
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                        "text": "' (cf. Sec. 6)",
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                "section": "Verbal multiword expressions in Polish",
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                "text": "We further understand MWEs as combinations of words which: (i) have at least two lexicalized components, i.e. components always realized by the same lexemes, (ii) display lexical, morphological, syntactic or semantic idiosyncrasies. For instance, in postawi\u0107 kogo\u015b w stan gotowo\u015bci (lit. 'put sb into state of-readiness') 'to put sb on alert', 1 the object stan 'state' must receive a complement (here: gotowo\u015bci 'of-readiness'). This is idiosyncratic since such a complement is not required in non-idiomatic constructions, like postawi\u0107 miot\u0142\u0119 w k\u0105t 'put the-broom in the-corner'. However, this complement, even if compulsory, is not lexically fixed: postawi\u0107 kogo\u015b w stan gotowo\u015bci/pogotowia/oskar\u017cenia/upad\u0142o\u015bci/etc. (lit. 'to-put sb into state of-readiness/emergency/accusation/bankruptcy/etc.'). Therefore, only the words postawi\u0107 w stan count as lexicalized components.",
                "cite_spans": [],
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                "section": "Verbal multiword expressions in Polish",
                "sec_num": "2"
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                "text": "VMWEs are MWEs whose canonical form, i.e. the least syntactically marked form keeping the idiomatic reading, is such that its syntactic head is a verb V and its other lexicalized components form phrases directly dependent on V. This means that a canonical form is a weakly connected graph (i.e. fully connected if directions of the dependencies are disregarded). Consider the example obiektywna rola, jak\u0105 uczelnie odgrywaj\u0105 w Polsce 'objective role which universities play in Poland'. Here, the noun rola 'role' heads the verb odgrywaj\u0105 'play' rather than vice versa. Since a construction with a relative clause is syntactically more marked than without it, we have to transform it into a canonical form, e.g. uczelnie odgrywaj\u0105 obiektywn\u0105 rol\u0119 w Polsce 'universities play an objective role in Poland'. This is why we can consider this candidate as headed by the verb and passing the light verb construction tests.",
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                "section": "Verbal multiword expressions in Polish",
                "sec_num": "2"
            },
            {
                "text": "Five out of the ten VMWE (sub)categories from the PARSEME guidelines v 1.2 are relevant to Polish:",
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                "section": "Verbal multiword expressions in Polish",
                "sec_num": "2"
            },
            {
                "text": "\u2022 Inherently reflexive verbs (IRV) are combinations of a verb v and a reflexive clitic (RCLI) r, such that at least one of the non-compositionality conditions holds: (i) v never occurs without r, as in gapi\u0107 si\u0119 (lit. 'stare RCLI') 'stare'; (ii) r distinctly changes the meaning of v, like in sta\u0107 si\u0119 (lit. 'stand RCLI') 'become'; (iii) r changes the subcategorization frame of v, like in dziwi\u0107 si\u0119 takim reakcjom (lit. 'surprise RCLI such reactions.DAT') 'be surprised by such reactions' 2 \u2022 Light verb constructions (LVCs) are combinations of a verb v and a noun n (with an optional preposition) in which v is semantically void or bleached, and n is a predicate, i.e. it is abstract and has semantic arguments. Two subcategories are defined. In an LVC.full, v's subject is n's semantic argument. For instance, in wezm\u0119 odwet 'I-will-take revenge' the (pro-dropped) subject of the verb ('I') is the agent of the revenge and the verb adds no meaning to the noun. In an LVC.cause, n is no semantic argument of but adds a causative meaning to v. For instance, in Ela podsun\u0119\u0142a Janowi t\u0119 my\u015bl (lit. 'Ela moved Jan this thought') 'Ela suggested this thought to Jan', Jan might have a thought without any intervention of Ela (i.e. she is not a semantic argument of the thought). But in this precise sentence, Ela is the cause of Jan's thought. \u2022 Verbal idioms (VIDs) are verb phrases of various syntactic structures which contain cranberry words or exhibit lexical, morphological or syntactic inflexibility. For instance, in nosi\u0107 kogo\u015b na r\u0119kach (lit. 'carry sb on hands') 'to give special care to sb', when the noun is inflected in number or replaced by a semantically related word, the idiomatic meaning is lost (#nosi\u0107 kogo\u015b na r\u0119ku/ramionach 'carry sb on hand/shoulders').",
                "cite_spans": [],
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                "section": "Verbal multiword expressions in Polish",
                "sec_num": "2"
            },
            {
                "text": "Another category potentially pertaining to Polish are inherently adpositional verbs (IAVs), defined as combinations of a verb v and an adposition a (i.e. a preposition in Polish), such that: (i) v never occurs without a, as in polega\u0107 na kim\u015b 'to rely on someone', or (ii) a significantly changes v's meaning, as in o co tu chodzi? (lit. 'about what here goes') 'what is the matter here?'. IAVs were to be experimentally and optionally annotated in PARSEME corpora since version 1.1. In Polish, we performed this annotation in edition 1.1 but IAVs proved too hard to distinguish from 'regular' verbal valency with the current annotation guidelines. Therefore, we abandoned the IAV annotation in edition 1.2 of the Polish corpus.",
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                "section": "Verbal multiword expressions in Polish",
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                "text": "In previous work on modelling and annotating Polish MWEs, lexicon, grammar and treebank construction efforts have often been closely related. G\u0142owi\u0144ska and Przepi\u00f3rkowski (2010) and G\u0142owi\u0144ska (2012) present the manual shallow syntactic annotation of the National Corpus of Polish (NKJP). 3 The whole corpus follows multilayer annotation principles. In particular the layer of syntactic groups (roughly chunks), builds upon the layer of the so-called syntactic words, which in turn builds upon the layer of tokens. The layer of syntactic words includes a number of (mostly) continuous MWEs such as multiword prepositions (w duchu czego\u015b 'in the spirit of sth'), adverbs (do czysta 'completely') or conjunctions (a zatem 'that is'). Those are not explicitly marked as MWEs but can be queried by looking for word nodes which point at least two token nodes. 4 All MWEs delimited in this way are decorated with their parts of speech. Verbal MWEs are not covered. NKJP is released with a shallow grammar developed for its automatic pre-annotation. Among the 1,187 grammar rules, 350 are lexicalized rules describing MWEs.",
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                "section": "Multiword expressions in Polish treebanks",
                "sec_num": "3"
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                "text": "Fragments of the NKJP corpus have been transformed into the constituency treebank Sk\u0142adnica. On top of the previous morphosyntactic annotation described above, the constituency parser\u015awigra produced candidate trees, which were then manually disambiguated (\u015awidzi\u0144ski and Woli\u0144ski, 2010) . A recent version of Sk\u0142adnica (Woli\u0144ski et al., 2018) integrates data from a valency dictionary Walenty. 5 Walenty has a rich phraseological component Hajnicz et al., 2016 ) and a semantic layer. On the morphosyntactic level, verbal MWEs are represented as valency frames in which some arguments are lexically fixed, e.g. zobaczy\u0107 co\u015b na w\u0142asne oczy (lit. 'to see sth on own eyes') 'to see sth for oneself' receives a frame with the head verb zobaczy\u0107 'see', a free subject and object, and a lexicalized complement na w\u0142asne oczy 'on own eyes'. On the semantic level, adverbial, nominal, adjectival and other MWEs can appear as lexicalized elements of verbal frames, e.g. a multiword adverb w trupa 'into a dead body' occurs as a possible lexicalized realization of the semantic role of manner in the verbal frame of upi\u0107 si\u0119 'get drunk', the whole combination meaning 'to get totally drunk'. The latest dowloadable Walenty version (from 2016) contains notably over 60,000 syntactic verbal frames, 14,295 of which have lexicalized arguments, i.e. correspond to VMWEs entries. Walenty frames were integrated into the\u015awigra's grammar, which was then used to enhance Sk\u0142adnica. The latter does not seem to explicitly indicate which tree nodes correspond to lexicalized components of VMWEs from Walenty.",
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                "section": "Multiword expressions in Polish treebanks",
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                "text": "Such efforts of making MWE occurrences in Sk\u0142adnica explicit were undertaken in two Polish UD treebanks. In the Polish Dependency Bank (PDB), Wr\u00f3blewska (2012) automatically converted the continuous MWEs into dependency chains using the mwe relation (pertaining to UD version 1). Later, PDB was enlarged with new texts and converted into UD version 2, with the fixed and flat dependencies marking morphologically fixed MWEs and named entities, respectively. The number of both types of labels in PDB version 2.5 is 3,850 and 5,525, respectively. Later the whole NKJP corpus 6 was enriched with dependencies, using a parser trained on PDB, and manually correcting major flaws (Wr\u00f3blewska, 2020) . There, the fixed and flat dependencies most probably follow the same principles as in PDB, but no statistics of these specific labels were available at the time of writing. It is also unclear if any fixed MWEs were marked except those predicted by the parser, i.e. the coverage of MWEs is unclear.",
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                "text": "In parallel to the above treebanking efforts involving\u015awigra, Walenty and UD conversion, similar work was done in the Lexical Functional Grammar framework. developed an LFG grammar of Polish, integrated with Walenty, parsed texts stemming mainly from NKJP, and manually disambiguated them to obtain an LFG treebank. They further performed an automatic conversion of this treebank into the UD version 2 (Przepi\u00f3rkowski and Patejuk, 2020) , including the so-called enhanced dependencies 7 The resulting UD-LFG treebank contains 144 and 884 fixed and flat dependencies, respectively. Like in PDB, the former are limited mostly to continuous morphosyntactically fixed MWEs, and the latter to named entities, i.e. the information about verbal MWEs from Walenty is not propagated to the treebank, and nominal/adjectival MWEs are neglected.",
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                "text": "An effort focused on explicitly marking occurrences of large classes of MWEs in Sk\u0142adnica was undertaken by Savary and Waszczuk (2017) . They used 3 resources: (i) Walenty, (ii) the named entity annotation layer of the NKJP corpus, and (iii) SEJF, an electronic lexicon of Polish nominal, adjectival and adverbial MWEs, with 4,700 multiword lemmas, 160 inflection graphs and 88,000 automatically gener-ated inflected forms (Czerepowicka and Savary, 2018) . These 3 resources were automatically mapped on Sk\u0142adnica, and the outcome was manually validated, which resulted in the Sk\u0142adnicaMWE treebank with explicit marking of over 1,300 named entities, as well as 450 verbal and 400 nominal/adjectival/adverbial MWEs. 8 Differently from the previous efforts, this time, the treebank remains in its original constituency format, and information about MWEs is added to selected tree nodes as additional features, together with pointers to those lexical nodes which represent lexicalized components of the MWEs. This is in sharp contrast with the UD encoding, where dependencies indicating the MWE status potentially compete with those marking the syntactic relations. SkladnicaMWE is also the first Polish treebank with an explicit marking of verbal, nominal and adjectival MWEs. This resource would be worth extending with entries from VERBEL, a more recent grammatical e-lexicon of verbal MWEs. 9 In the context of this state of the art, we describe the first attempt towards systematic annotation of Polish verbal MWEs in running text. We do not use any pre-annotation methods so as to avoid bias. The resulting resource is fully integrated into the PARSEME suite of multilingual treebanks annotated for verbal MWEs Ramisch et al., 2020) . It follows the crosslingually unified and validated annotation guidelines and the centralized quality insurance methodology.",
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                        "text": "Savary and Waszczuk (2017)",
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                "section": "Multiword expressions in Polish treebanks",
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                "text": "All the manual annotations of VMWEs were performed on texts coming from one of three (more or less overlapping) sources (cf. Sec. 3): (i) NKJP1M, a 1-million word manually annotated subcorpus of NKJP; (ii) PCC, Polish Coreference Corpus (Ogrodniczuk et al., 2015) ; (iii) PDB (cf. Sec. 3). From the first two sources we only took newspaper texts, while PDB provided a mixture of news, periodicals, literature, fiction, popular science, social media, parliamentary debates and manuals. The source corpus and the text genre of each sentence are indicated in its comment, as documented in the corpus repository. 10 Like all corpora in the PARSEME suite v 1.2, the Polish dataset is released in the .cupt format, 11 an instance of the CoNLL-U Plus format 12 defined for annotations built upon UD corpora. Fig. 1 shows the first sentence of a corpus file. The first line is global to the whole corpus and gives the headings of the 11 columns. The first 10 stem from the CoNLL-U format, and the 11th contains the VMWE annotations. Here, tokens 1-2 belong to an IRV postara\u0107 si\u0119 (lit. 'try RCLI') 'try hard', which overlaps with another IRV encompassing tokens 2-5 si\u0119 pogodzi\u0107 (lit. 'RCLI reconcile') 'make it up (with someone)'. Figure 1 : First sentence of a corpus, with two overlapping VMWEs.",
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                        "text": "(Ogrodniczuk et al., 2015)",
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                "section": "Constructing the Polish VMWE-annotated corpus",
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                "text": "Henceforth, the first 10 columns of a .cupt file will be referred to as morphosyntactic annotation. By morphological annotation alone we mean columns 3-6 (LEMMA, UPOS, XPOS and FEATS) and by syntactic annotation alone, columns 7-8 (HEAD and DEPREL). Morphosyntactic annotation is considered compatible with UD (in version 1 or 2) if is follows the UD annotation guidelines (in the corresponding version). 13 It is further considered compatible with a certain release of UD, e.g. with UD 2.5 if, for the same sentences, it contains the same data as this release or if it is automatically generated using a parser trained on this release.",
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                "section": "Constructing the Polish VMWE-annotated corpus",
                "sec_num": "4"
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                "text": "The corpus in version 1.2 extends and enhances the one in version 1.1. Firstly, we annotated new texts and made the previous and the new annotations mutually consistent (Sec. 4.1). Secondly, we updated the morphosyntactic annotation to make it compatible with the UD version 2.5 (see Sec. 4.2). Finally, we provided a companion raw corpus, automatically annotated for morphosyntax (Sec. 4.3) and meant for automatic discovery of unseen VMWE.",
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                "section": "Constructing the Polish VMWE-annotated corpus",
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                "text": "To increase the size of the manually annotated corpus, we selected new sentences from PDB. The manual annotation, based on the PARSEME guidelines v 1.2, 14 was performed by one native annotator with the PARSEME-customized online annotation platform FLAT. 15 No automatic pre-annotation had been performed, but all verbal tokens were underlined in the FLAT interface, so as to easily spot potential VMWEs. In hard cases, the decision process was supported by an NKJP concordancer, 16 Polish online dictionaries 17 and, sporadically, the valence e-dictionary Walenty (cf. Sec. 3). All the resulting manual annotations, both the new ones and those from version 1.1, were checked for consistency, by the same annotator, with a PARSEME tool , grouping annotated and non-annotated instances of the same lemma sets. At the same time, known errors from edition 1.1 were manually corrected. Finally, 900 sentences taken from the newly annotated texts were double-annotated by another native expert for the sake of inter-annotator agreement estimation (cf. Sec. 5). Some interesting phenomena, hard challenges and decisions taken during manual annotation are documented in Sec. 6.",
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                "section": "Manual annotation",
                "sec_num": "4.1"
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            {
                "text": "New VMWE annotations were performed on UD-2.5-compatible files, while the corpus in version 1.1 used an older UD tagset. Therefore, upgrades to UD 2.5 were performed for the sake of consistency.",
                "cite_spans": [],
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                "section": "Updating the morphosyntactic annotation",
                "sec_num": "4.2"
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                "text": "We first split the entire dataset (excluding the part with new annotations) into three parts based on sentence origin: PDB, NKJP1M or PCC. Next, each of the three parts was processed separately, paying attention to their different characteristics. Sentences originating from PCC (which does not contain manual morphosyntactic annotations) were re-parsed with UDPipe using the latest Polish model. 18 For the NKJP1M part, with the manually annotated morphological layer, we first performed a morphological tagset conversion using conversion tables specifically (semi-automatically) compiled for the task. This was necessary because the morphological layer of NKJP1M uses a different tagset than the remaining, UD-compliant part of the dataset. After that, we used UDPipe to re-parse the NKJP1M part at the syntactic level only (dependencies are not manually annotated in NKJP1M). Finally, in PDB, all annotations result from the conversion of manual annotations in Sk\u0142adnica (see Sec. 3). Hence, for this part of the dataset it was only necessary to update the morphosyntactic layer of the corpus with respect to the latest version of PDB.",
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                "sec_num": "4.2"
            },
            {
                "text": "Together with the main corpus, manually annotated for VMWEs, we prepared a large (159,115,022 sentences, 1,902,279,431 tokens) UD-2.5-compliant raw corpus automatically annotated for morphosyntax and dependencies with UDPipe. 19 The raw corpus is released in the CoNLL-U format and does not contain any VMWE annotations. It is meant to facilitate automatic discovery of unseen VMWEs, i.e. VMWEs with no occurrences in the (training) corpus. Unseen VMWEs are known to be hard to capture with purely supervised methods, due to their Zipfian distribution and the particular nature of their idiosyncrasies, which show at the level of types (sets of occurrences) rather then tokens (single occurrences) (Savary et al., 2019) . Edition 1.2 of the PARSEME shared task brought unseen VMWEs into focus and raw corpora, accompanying manually annotated corpora, were released for all participating 14 https://parsemefr.lis-lab.fr/parseme-st-guidelines/1.2/ 15 https://github.com/proycon/flat 16 http://www.nkjp.pl/poliqarp/ 17 Wikis\u0142ownik (https://pl.wiktionary.org/, S\u0142ownik PWN (https://sjp.pwn.pl/), and Wielki Slownik J\u0119zyka Polskiego (https://wsjp.pl/index.php)",
                "cite_spans": [
                    {
                        "start": 226,
                        "end": 228,
                        "text": "19",
                        "ref_id": null
                    },
                    {
                        "start": 698,
                        "end": 719,
                        "text": "(Savary et al., 2019)",
                        "ref_id": "BIBREF19"
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Companion \"raw\" corpus",
                "sec_num": "4.3"
            },
            {
                "text": "18 polish-pdb-ud-2. 5-191206 19 Using the same model as for the automatically tagged parts of the manually annotated corpus.",
                "cite_spans": [
                    {
                        "start": 20,
                        "end": 31,
                        "text": "5-191206 19",
                        "ref_id": null
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Companion \"raw\" corpus",
                "sec_num": "4.3"
            },
            {
                "text": "languages. The Polish raw corpus is based on the CoNLL 2017 shared task raw corpus 20 (Zeman et al., 2017 ), which we upgraded to UD-2.5 for the sake of compatibility with the main corpus.",
                "cite_spans": [
                    {
                        "start": 86,
                        "end": 105,
                        "text": "(Zeman et al., 2017",
                        "ref_id": "BIBREF23"
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Companion \"raw\" corpus",
                "sec_num": "4.3"
            },
            {
                "text": "The resulting UD-2.5-compatible corpus, manually annotated for VMWEs, comprises 23,547 sentences, 396,140 tokens, and 7,186 manually annotated VMWEs in total. 12,187 sentences originate from PDB-UD, 9,241 from NKJP1M and 2,119 from PCC. Morphological annotation is manually performed in the first two sources 21 and automatically in the third one. Syntactic annotation is manual only in PDB. 7,426 new sentences from PDB-UD were added in edition 1.2. While the corpus covers a rather broad spectrum of different genres (cf. Sec.4), a large majority (over 68% sentences) are newspaper texts. Double annotation performed over 900 newspaper sentences, new in edition 1.2, resulted in inter-annotator agreement (IAA) scores of F span = 77.4% (F-measure between annotators), \u03ba span = 73.2% (agreement on the annotation span) and \u03ba cat = 90.7% (agreement on the VMWE category). 22 See for the definitions of these three IAA measures. Table. 1 presents the statistics of the corpus concerning the different VMWE categories as well as the fine-grained VMWE phenomena -discontinuity, one-token length and overlapping -as defined by Savary et al. (2018) -in comparison with version 1.1 of the corpus. The number of overlapping VMWE tokens decreased since version 1.1 most likely due to the removal of IAVs (annotated experimentally in version 1.1), which often co-occur with other VMWEs. Figure 2 (a) illustrates the variability of the different categories of VMWEs in the Polish corpus. We follow the PARSEME-based definition of a variant: it is a sequence of words starting from the first VMWE component and ending on the last VMWE component, including the non-lexicalized words in between. The linear regression models fitted to the numbers of different variants of various categories suggest that LVC.cause and LVC.full VMWEs are the most variable, followed by VIDs, which in turn are more variable than IRVs. Figure 2 (b) on the other hand shows the variability of VMWEs in the Polish corpus in general, in contrast with several other PARSEME 1.2 corpora. It shows that, even though morphologically rich and with relatively free word order, VMWEs in Polish are not as variable as those in Chinese or Turkish, and have a similar level of variability as VMWEs in German or Basque. Interestingly, the variant-of-traindev F-scores 23 achieved by the two best systems, in both the open and the closed track of the PARSEME shared task 1.2, are higher for Polish than for any other language. However, it can be stipulated that the variability captured by the PARSEME definition is influenced by non-related factors such as the average length of the (non-lexicalized) gap, 24 which is in particular significantly higher in the German (average gap length 2.06) than in the Polish corpus (average gap length 0.55). 25",
                "cite_spans": [],
                "ref_spans": [
                    {
                        "start": 928,
                        "end": 934,
                        "text": "Table.",
                        "ref_id": null
                    },
                    {
                        "start": 1378,
                        "end": 1390,
                        "text": "Figure 2 (a)",
                        "ref_id": "FIGREF0"
                    },
                    {
                        "start": 1904,
                        "end": 1916,
                        "text": "Figure 2 (b)",
                        "ref_id": "FIGREF0"
                    }
                ],
                "eq_spans": [],
                "section": "Results",
                "sec_num": "5"
            },
            {
                "text": "This section describes selected interesting phenomena, challenging cases, as well as findings and lessons learned from the manual annotation, across all 3 versions of the Polish PARSEME corpus.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Findings from the manual annotation",
                "sec_num": "6"
            },
            {
                "text": "The PARSEME definitions and annotation methodology heavily rely on the underlying morphosyntactic annotation (Sec. 2), inherited from the source corpora or from tools, most often trained on UD treebanks. 20 http://hdl.handle.net/11234/1-1989 21 PDB-UD has priority over NKJP regarding sentences which belong to the overlap of the two corpora. 22 All three scores improved in comparison with edition 1.1 of the corpus, where a similar IAA estimation based on 2079 sentences resulted in Fspan = 61.9%, \u03baspan = 56.8% and \u03bacat = 88.2%.",
                "cite_spans": [
                    {
                        "start": 204,
                        "end": 206,
                        "text": "20",
                        "ref_id": null
                    },
                    {
                        "start": 343,
                        "end": 345,
                        "text": "22",
                        "ref_id": null
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                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Interactions with tokens, lemmas, morphology and syntax",
                "sec_num": "6.1"
            },
            {
                "text": "23 According to edition 1.2 of the PARSEME shared task, the variant-of-traindev evaluation metrics is the MWE-based Fmeasure calculated only on those VMWEs which occur in the test corpus and: (i) are seen, i.e. their multisets of lemmas occur, as annotated VMWEs, in the training or in the development corpus, (ii) are not identical to their training/development occurrences, when the strings between the first and the last lexicalized component (including the non-lexicalized elements in between) are compared.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Interactions with tokens, lemmas, morphology and syntax",
                "sec_num": "6.1"
            },
            {
                "text": "24 Gap length is defined as the number of non-lexicalized elements in a VMWE's variant . 25 Note also that the ratio of discontinuous VMWEs (with a gap) is higher in DE (42.74%) than in PL (28.68%). The impact of these pre-existing choices on the VMWE annotation is seen in Polish in at least three cases.",
                "cite_spans": [
                    {
                        "start": 89,
                        "end": 91,
                        "text": "25",
                        "ref_id": null
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Interactions with tokens, lemmas, morphology and syntax",
                "sec_num": "6.1"
            },
            {
                "text": "Firstly, since a VMWE, by definition, contains at least two words, we have to conform to the definition of a word stemming from the pre-existing corpora. This imposes a careful annotation of some multiword tokens (MWTs). In Polish, contracting two words into one token is very productive in past tense verbal forms like widzia\u0142em 'I saw' or widzieli\u015bmy 'we saw'. 26 According to the so-called flexemic tagset (Przepi\u00f3rkowski and Woli\u0144ski, 2003) , such forms are regular combinations of a past participle form common for all persons of the same number and gender (widzia\u0142.PRAET:SG:M1, widzieli.PRAET:PL:M1) and of a 'floating' form of the auxiliary 'to be' specific for the given person and number (em.SG:PRI, smy.SG:PRI). 27 Therefore, while annotating a VMWE like na w\u0142asne oczy widzia\u0142em (lit. 'on own eyes I-saw') 'I saw sth for myself', we should not include the auxiliary em since the same VMWE can appear without it, as in na w\u0142asne oczy widzia\u0142 (lit. 'on own eyes he-saw') 'he saw sth with his own eyes'. 28 The UD tagset does not fully standardize the annotation of some verb forms, like gerunds and participles, which share properties of nouns and adjectives. For instance, Polish gerunds stem from verbs by regular inflection but they behave like nouns (e.g. they inflect for number and case, and have gender). Therefore, in the Polish UD corpora, a gerund like rzucanie 'throwing.SG:NOM:N' is tagged as NOUN but receives a verbal lemma, here rzuca\u0107 'throw'. 29 This means that many Polish VMWEs contain no word tagged as VERB. 30 It should, therefore, be kept in mind that the guidelines apply to the canonical form instead of the actual occurrence of a VMWE candidate. Without the canonical form, examples such as rzucanie czar\u00f3w 'casting spells' could not be considered headed by a verb. Figure 3 : A VMWE with a numeral phrase.",
                "cite_spans": [
                    {
                        "start": 363,
                        "end": 365,
                        "text": "26",
                        "ref_id": null
                    },
                    {
                        "start": 409,
                        "end": 444,
                        "text": "(Przepi\u00f3rkowski and Woli\u0144ski, 2003)",
                        "ref_id": "BIBREF10"
                    },
                    {
                        "start": 1012,
                        "end": 1014,
                        "text": "28",
                        "ref_id": null
                    },
                    {
                        "start": 1469,
                        "end": 1471,
                        "text": "29",
                        "ref_id": null
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                    {
                        "start": 1538,
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                        "text": "30",
                        "ref_id": null
                    }
                ],
                "ref_spans": [
                    {
                        "start": 1801,
                        "end": 1809,
                        "text": "Figure 3",
                        "ref_id": null
                    }
                ],
                "eq_spans": [],
                "section": "Interactions with tokens, lemmas, morphology and syntax",
                "sec_num": "6.1"
            },
            {
                "text": "Another phenomenon related to canonical forms shows the usefulness of the UD annotation scheme for the PARSEME methodology. A major UD principle is that dependencies hold between content words, and the latter head function words. This approach has received criticism (Osborne and Gerdes, 2019) , and in Polish there is, indeed, strong evidence that many function words, such as numerals and determiners, determine the grammatical forms of content verbs (Przepi\u00f3rkowski and Patejuk, 2020) . However, the UD assumption helps keep the PARSEME definition of a VMWE (cf. Sec. 2) relatively simple. Consider the example and its UD-style dependency tree in Fig. 3 , meaning 'one's efforts will bring no result'. According to , this form is canonical (the head verb occurs in a finite non-negated form and all its arguments are in singular and realized with no extraction). 31 Note that the numeral wiele 'a-lot-of' is not lexicalized. In Polish formal linguistics, e.g. in the HPSG framework (Przepi\u00f3rkowski, 1999) , wiele pary 'much steam' is seen as a numeral phrase headed by the indefinite numeral wiele 'much'. If this principle were not overridden by the content word primacy, the dependency arc between wiele 'much' and pary 'steam' would be inverted and the lexicalized components of this VMWE would be disconnected, conversely to PARSEME's definition of a VMWE.",
                "cite_spans": [
                    {
                        "start": 267,
                        "end": 293,
                        "text": "(Osborne and Gerdes, 2019)",
                        "ref_id": "BIBREF7"
                    },
                    {
                        "start": 453,
                        "end": 487,
                        "text": "(Przepi\u00f3rkowski and Patejuk, 2020)",
                        "ref_id": "BIBREF9"
                    },
                    {
                        "start": 985,
                        "end": 1007,
                        "text": "(Przepi\u00f3rkowski, 1999)",
                        "ref_id": "BIBREF12"
                    }
                ],
                "ref_spans": [
                    {
                        "start": 650,
                        "end": 656,
                        "text": "Fig. 3",
                        "ref_id": null
                    }
                ],
                "eq_spans": [],
                "section": "Interactions with tokens, lemmas, morphology and syntax",
                "sec_num": "6.1"
            },
            {
                "text": "IRVs are, by far, the most frequent VMWE category in Polish (cf. Sec. 5). Hard cases include those verbs which are much more frequent with than without a RCLI. For instance, delektowa\u0107 'to-delight' is found 563 times by a NKJP concordancer with a RCLI, as in delektowa\u0107 si\u0119 piwkiem (lit. 'delight RCLI beer.INST') 'enjoy a beer', and only 3 times without it, as in delektuje nas znakomitymi zdj\u0119ciami 'delights us with great photos'. The latter use can easily be missed by the annotator, who then concludes that the verb never occurs without the RCLI (test IRV.1), i.e. it is an IRV, although the former use is simply a reflexive variant of the latter (IRV.6).",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "IRV-specific phenomena",
                "sec_num": "6.2"
            },
            {
                "text": "Another specificity of Polish (and Czech), is the so-called haplology of the RCLI (Kup\u015b\u0107, 1999; Rosen, 2014) : a single occurrence of RCLI can satisfy several requirements for this item. For instance, in the sentence from Fig. 1 two IRVs co-occur: postara\u0107 si\u0119 (lit. 'try RCLI') 'try hard' and pogodzi\u0107 si\u0119 (lit. 'reconcile RCLI') 'reconcile' and share the RCLI. 32 We also found that many Polish simple verbs can be simultaneously preceded by the prefix naand accompanied by the RCLI, to express the fact that the given action has been performed frequently or for a long time, as in czyta\u0142 'he-read' \u2192 naczyta\u0142 si\u0119 'he-has-read-a-lot', siedzia\u0142a 'she-sat' \u2192 nasiedzia\u0142a si\u0119 'she-has-sat-a-lot', zamiatali 'they-swept' \u2192 nazamiatali si\u0119 'they-have-swept-a-lot', etc. This phenomenon is productive, and should, intuitively, not be considered idiomatic. However, all the above examples have to be annotated as IRVs, according to the PARSEME guidelines (due to test IRV.3).",
                "cite_spans": [
                    {
                        "start": 82,
                        "end": 95,
                        "text": "(Kup\u015b\u0107, 1999;",
                        "ref_id": "BIBREF4"
                    },
                    {
                        "start": 96,
                        "end": 108,
                        "text": "Rosen, 2014)",
                        "ref_id": "BIBREF15"
                    },
                    {
                        "start": 363,
                        "end": 365,
                        "text": "32",
                        "ref_id": null
                    }
                ],
                "ref_spans": [
                    {
                        "start": 222,
                        "end": 228,
                        "text": "Fig. 1",
                        "ref_id": null
                    }
                ],
                "eq_spans": [],
                "section": "IRV-specific phenomena",
                "sec_num": "6.2"
            },
            {
                "text": "Let us also mention that the RCLI in Polish (and other Slavic languages) does not inflect for person and number, as in boj\u0119 si\u0119 'I am afraid', boicie si\u0119 'you are afraid'. 33 However, it does inflect for case. Even if its accusative form si\u0119 is predominant, the IRVs with its dative form sobie should not be omitted, e.g. wyobrazi\u0107 sobie (lit. 'imagine RCLI') 'imagine', poradzi\u0107 sobie (lit. 'advise RCLI') 'cope'.",
                "cite_spans": [
                    {
                        "start": 172,
                        "end": 174,
                        "text": "33",
                        "ref_id": null
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "IRV-specific phenomena",
                "sec_num": "6.2"
            },
            {
                "text": "LVCs are the second most frequent VMWE type in Polish. A major challenge was to distinguish LVC.full and LVC.cause when the cause belongs to the semantic arguments of the noun. In example (1), stwarza\u0107 'create' is a typical causative verb. It also occurs in several LVC.cause expressions, e.g. stwarza\u0107 okazj\u0119/szans\u0119/warunki 'to create an occasion/chance/conditions'. Here, however, the predicative noun zagro\u017cenie 'danger' requires an agent/cause, i.e. produkty 'products' belong to its semantic arguments. Since the test for being a semantic argument of the noun (LVC.2) is placed earlier in the decision flowchart then the one for being its cause (LVC.5), this expression has to be tagged as an LVC.full. (2) umo\u017cliwili they-allowed mi me preprowadzenie carrying-out bada\u0144 researches 'They allowed me to carry out research.' Another interesting, even if quantitatively minor, question is how to annotate LVCs in which the direct object of the verb is itself a light verb. In example (2), przeprowadzenie bada\u0144 'carrying-out research' is clearly an LVC.full. The other verb umo\u017cliwili 'allowed', has a causative meaning but one may hesitate as to the choice of its predicative noun. One natural candidate is the syntactic object przeprowadzenie 'carrying-out'. Since, however, it is a nominalisation of a light verb przeprowadzi\u0107 'carry-out', it is dubious to establish its semantic arguments (needed in tests LVC.2 and LVC.5). Another choice would be to consider umo\u017cliwi\u0107 badania 'allow research' as an LVC.full but the structural tests (S.1 to S.4) require the predicative noun to be a dependent of the verb. The problem lies, truly, in not knowing how to establish the canonical form of such nested LVCs. The nominalisation needs to be converted to a finite form, e.g. przeprowadzi\u0142am badania 'I-carried-out research'. But then, the finite verb przeprowadzi\u0142am 'I-carried-out' can no longer be the object of umo\u017cliwili 'allowed'. One solution is not to annotate umo\u017cliwili 'allowed' at all. Another one would consist in a more elaborated definition of a canonical form, so as to yield strong reformulations, e.g. przeprowadzi\u0142am badania, oni umo\u017cliwili te badania. 'I-carried-out research, they allowed my research.'",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "LVC-specific phenomena",
                "sec_num": "6.3"
            },
            {
                "text": "As discussed by , the VMWE-ness has fuzzy borders with related phenomena, and we encountered them while annotating Polish texts. Firstly, VMWE are often hard to discriminate from collocations, defined by PARSEME as word combinations whose idiomaticity is of statistical nature only. Thus, word combinations like stawia\u0107 stopnie (lit. 'put grades') 'to-grade' or zapu\u015bci\u0107 w\u0105sy 'grow a mustache', look idiomatic because the mutual lexical selection between both components is statistically strong (i.e. test VID.2 based on component replacement seems likely to be passed). Corpus searches often help to invalidate this hypothesis but doubts remain if: (i) the verb selects only a small class of nouns (zapu\u015bci\u0107 w\u0105sy, brod\u0119, w\u0142osy, paznokcie 'grow a mustache, beard, hair, nails'), (ii) it has several close senses 34 (iii) the variants stemming from lexical replacement are infrequent in corpora.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "VMWEs and peripheral phenomena",
                "sec_num": "6.4"
            },
            {
                "text": "Metaphor is another challenging peripheral phenomenon, because most VMWEs are lexicalized metaphors. It seems, therefore, that the only difference between the two is the degree of lexicalization, which is however hard to establish, even with corpus studies, for the same reasons as with collocations. Particularly testing are those metaphors which are collocations at the same time. For instance, p\u0119ka\u0107 z\u00e9 smiechu 'burst with laughter' is a frequent metaphor in NKJP. Luckily, some rare examples do reveal that p\u0119ka\u0107 'burst' can be used metaphorically with many emotions (z dumy/b\u00f3lu/przem\u0119czenia/migreny/etc. 'with pride/pain/fatigue/fatigue/etc.'). Other examples of metaphors judged as non-VMWE include: nabrzmiewa\u0107 ironi\u0105 (lit. 'swell with irony'), omiata\u0107 (horyzont) spojrzeniem (lit. 'sweet (the horizon) with a glance'), znale\u017c\u0107 kij na prawic\u0119 (lit. 'find a stick against the right wing'), etc.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "VMWEs and peripheral phenomena",
                "sec_num": "6.4"
            },
            {
                "text": "Finally, MWEs are particular cases of grammatical constructions, i.e. conventional associations of lexical, syntactic and pragmatic features, such as the-Adj-the-Adj (the more the merrier, the higher the better, etc.). In the corpus we encountered examples of Polish constructions which are no VMWEs but contain non-lexicalized verbs, e.g. ma\u0142o nie V, as in ma\u0142o nie zwariowa\u0142 (lit. 'little not went-crazy') 'he almost went crazy', V.INF V, as in rozumie\u0107 rozumiem (lit. 'understand.INF I-understand') 'I do understand', or nie spos\u00f3b V.INF, as in nie spos\u00f3b zapomnie\u0107 (lit. 'not way to-forget') 'one cannot forget'.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "VMWEs and peripheral phenomena",
                "sec_num": "6.4"
            },
            {
                "text": "Attending constructions led us to detecting a minor flaw in the IRV tests. Namely, examples like ba\u0107 si\u0119 (lit. 'fear RCLI') 'be-afraid' are tagged as IRVs because the verb can never appear without the RCLI (test IRV.1). There are, however, some constructions which contain a slot for any IRV, and a duplication of its verb alone, without the RCLI. Examples include: V RCLI, oj V, as in dzia\u0142o si\u0119, oj dzia\u0142o (lit. 'happened RCLI, oh happened') 'there was really a lot going on' and V.INF RCLI nie V, as in ba\u0107 si\u0119 nie ba\u0142 (lit. 'to-fear RCLI not he-feared') 'as to being afraid, he was not'. These constructions are productive and omitting the RCLI is clearly licensed by the duplication. Therefore, they should not be considered counterexamples in the IRV decision process.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "VMWEs and peripheral phenomena",
                "sec_num": "6.4"
            },
            {
                "text": "Several enhancements in the PARSEME annotation guidelines can be proposed based on our experience.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Towards enhanced PARSEME guidelines",
                "sec_num": "7"
            },
            {
                "text": "Firstly, nesting of VMWEs should be more accurately accounted for. Currently, the verb in an LVC is allowed to only have one lexicalized dependent (test S.2), which excludes inherently reflexive light verbs, as in nosi\u0107 si\u0119 z zamiarem (lit. 'carry RCLI with intention') 'to have an intention'. Such examples can only be annotated as VIDs, although they function like LVCs. We might therefore allow for more than one lexicalized dependent of the verb in test S.2, provided that all but one of them belong to a previously annotated VMWE. This would also allow verb-particle constructions (VPCs) 35 to be nested in IRVs, as in (DE) er [[stellt] V P C sich [vor] V P C ] IRV (lit. 'he puts RCLI forward') 'he imagines' (now such cases are formally VIDs).",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Towards enhanced PARSEME guidelines",
                "sec_num": "7"
            },
            {
                "text": "Secondly, the reciprocal uses of the RCLI listed in test IRV.8 do not accurately cover Slavic languages. The test checks if a plural or coordinated subject can be distributed over two occurrences of the same verb. For instance Jan i Ela si\u0119 ca\u0142uj\u0105 (lit. 'Jan and Ela RCLI kiss') 'Jan and Ela kiss each other' can be transformed into Jan ca\u0142uje El\u0119, a Ela ca\u0142uje Jana 'Jan kisses Ela and Ela kisses Jan'. Therefore, ca\u0142owa\u0107 si\u0119 (lit. 'kiss RCLI') is a reciprocal use of si\u0119 and not an IRV. But in Polish, there is another reciprocal form with a singular subject and an oblique: Jan ca\u0142uje si\u0119 z El\u0105 'Jan kisses RCLI with Ela'. Adding this case to IRV.8 is necessary, at least for language-specific variants of this test. But this is not sufficient since the verb alone does not admit the same subcategorization: *Jan ca\u0142uje El\u0119 z Elen\u0105 (lit. 'Jan kisses Ela with Elena'). Thus, test IRV.3 is always passed, and such cases have to be annotated as IRVs, although they are productive. A possible solution would be to change the order of the IRV tests so that those checking non-idiomatic uses of the RCLI (currently IRV.4 to IRV.8) are placed first.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Towards enhanced PARSEME guidelines",
                "sec_num": "7"
            },
            {
                "text": "Thirdly, specific constructions with duplicated verbs invalidate some genuine IRVs (cf. Sec. 6.4). Language-specific lists of such constructions, to be neglected by test IRV.1, could be proposed.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Towards enhanced PARSEME guidelines",
                "sec_num": "7"
            },
            {
                "text": "Finally, an open problem is how to ensure that the decision diagrams always yield the same outcome for the same sense of a verb, whatever its non-lexicalized arguments. In stawiam sobie/komu\u015b cel (lit. 'Iput myself/someone a goal') 'set a goal to myself/someone', the outcome of test LVC.2 depends on the indirect object. With a reflexive object sobie 'myself', the subject of the verb (I) is the agent/beneficiary of the noun cel 'aim', which suggests the LVC.full status. But with another object, the verb's subject does not fill any semantic role of the noun, which leads to LVC.cause. We would of course like both of these uses to be annotated in the same way, here as LVC.cause. But this would imply applying the test to all possible instances of the (non lexicalized) object, rather than to the precise example being annotated. With such a major difference in the annotation strategy, the decision replicability might be jeopardized. 36 8 Conclusions",
                "cite_spans": [
                    {
                        "start": 940,
                        "end": 942,
                        "text": "36",
                        "ref_id": null
                    }
                ],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Towards enhanced PARSEME guidelines",
                "sec_num": "7"
            },
            {
                "text": "When the verb dziwi\u0107 'surprise' takes a regular non-reflexive object, it admits a complement in instrumental but not in dative (dziwi\u0142a go swoim zachowaniem/*swojemu zachowaniu 'she-surprised him her behavior.INST/DAT').3 http://clip.ipipan.waw.pl/NationalCorpusOfPolish",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            },
            {
                "text": "Such a query will however also return multi-token words which are no MWEs, for instance analytical forms of verbs. 5 http://zil.ipipan.waw.pl/Walenty 6 More precisely, the manually annotated 1-million-token subcorpus of NKJP, called NKJP1M is concerned here.7 Enhanced dependencies enable overt marking of some relations which are implicit in the basic UD format, notably arguments which are ellipted or shared by conjuncts. A syntactic graph containing enhanced dependencies is not a tree.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            },
            {
                "text": "http://zil.ipipan.waw.pl/Sk\u0142adnicaMWE 9 http://uwm.edu.pl/verbel 10 https://gitlab.com/parseme/parseme_corpus_pl 11 http://multiword.sourceforge.net/cupt-format 12 https://universaldependencies.org/ext-format.html 13 See https://universaldependencies.org/guidelines.html for version 2, and https: //universaldependencies.org/docsv1/ for version 1.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            },
            {
                "text": "A similar analysis concerns conditional forms of verbs.27 The Polish-specific morphological tags stemming from the NKJP corpus are documented at http://nkjp.pl/ poliqarp/help/ense2.html.28 FLAT shows both the contracted and the split versions of MWTs in the annotation interface, and only the split version should be used.29 Similarly, all present and past participles, like rzucaj\u0105ca 'throwing.SG:NOM:F' and rzucane 'thrown.SG:NOM:N', receive the UPOS value of ADJ but their lemma is a verb, here rzuca\u0107 'throw'.30 The morphological features VerbForm=Part and VerbForm=Vnoun do indicate the verbal stem.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            },
            {
                "text": "One might argue that a form omitting the determiner wiele 'much' is canonical instead. Recall, however, that a canonical form is to be constructed in context, while keeping the meaning of the whole expression possibly unchanged. Omitting the determiner would contradict this principle.32 Repeating RCLI would be ungrammatical here: *postaraj si\u0119 z tym pogodzi\u0107 si\u0119. The annotators have to be careful with such cases, so as not to miss the overlapping annotation.33 This is in contrast e.g. with Romance languages, where the RCLI agrees for person and number with the subject of the verb, as in (FR) je me trouve 'I find myself', vous vous trouvez 'you find yourself', etc.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            },
            {
                "text": "Zapu\u015bci\u0107 korzenie 'take root' might be an instance of the same or a different sense than zapu\u015bci\u0107 w\u0105sy 'grow a mustache', which is or is not an evidence of lexical flexibility, respectively.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "",
                "sec_num": null
            }
        ],
        "back_matter": [
            {
                "text": "We described the construction of the Polish corpus of VMWEs, which is the 4th biggest dataset in the PARSEME suite. We presented some details of the annotation process and its outcomes. We also discussed some Polish-specific phenomena, interpreted in the light of the PARSEME annotation guidelines. We displayed several drawbacks of these guidelines and put forward suggestion for their enhancements. We believe that these observations can help continuous enhancement of the PARSEME methodology, and can be useful to annotators of other languages, linguists studying the MWE phenomenon, as well as authors of VMWE identification tools.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "acknowledgement",
                "sec_num": null
            },
            {
                "text": "This work was partly funded by the French PARSEME-FR grant (ANR-14-CERA-0001). We are grateful to the anonymous reviewers for their useful comments. 35 VPC is a PARSEME VMWE category, pervasive notably in Germanic languages but non-existent in Polish. 36 A similar issue, recently raised on the PARSEME discussion forum, concerns IRV tests for supposedly middle passive uses of the RCLI, like ogranicza\u0107 si\u0119 (lit. 'limit itself') 'be limited to'. See guidelines Gitlab issue #98 for details.",
                "cite_spans": [],
                "ref_spans": [],
                "eq_spans": [],
                "section": "Acknowledgements",
                "sec_num": null
            }
        ],
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        "ref_entries": {
            "FIGREF0": {
                "type_str": "figure",
                "num": null,
                "uris": null,
                "text": "(a) Number of different variants per VMWE frequency for various VMWE categories in Polish, together with the corresponding linear regression fit. (b) Number of variants per VMWE frequency (only displayed for Polish) together with the corresponding linear regression fit for different languages."
            },
            "FIGREF1": {
                "type_str": "figure",
                "num": null,
                "uris": null,
                "text": "constitute a danger for the health of the consumers.'"
            },
            "TABREF0": {
                "type_str": "table",
                "text": "# global.columns = ID FORM LEMMA UPOS XPOS FEATS HEAD DEPREL DEPS MISC PARSEME:MWE # text = Postaraj si\u0119 z tym pogodzi\u0107. # source_sent_id = http://hdl.handle.net/11234/1-3105 UD_Polish-PDB/pl_pdb-ud-train.",
                "html": null,
                "num": null,
                "content": "<table><tr><td/><td/><td/><td/><td/><td colspan=\"2\">conllu train-s11054</td><td/></tr><tr><td colspan=\"4\">1 Postaraj postara\u0107 VERB impt:sg:sec:perf</td><td>Aspect=Perf|Mood=Imp|. . .</td><td>1 root</td><td>_ _</td><td>1:IRV</td></tr><tr><td>2 si\u0119</td><td>si\u0119</td><td colspan=\"2\">PRON part</td><td>PronType=Prs|Reflex=Yes</td><td colspan=\"2\">1 expl:pv _ _</td><td>1;2:IRV</td></tr><tr><td>3 z</td><td>z</td><td>ADP</td><td>prep:inst:nwok</td><td>AdpType=Prep|. . .</td><td>4 case</td><td>_ _</td><td>*</td></tr><tr><td>4 tym</td><td>to</td><td colspan=\"3\">PRON subst:sg:inst:n:ncol Case=Ins|Gender=Neut|. . .</td><td colspan=\"2\">1 obl:arg _ _</td><td>*</td></tr><tr><td colspan=\"4\">5 pogodzi\u0107 pogodzi\u0107 VERB inf:perf</td><td colspan=\"4\">Aspect=Perf|VerbForm=Inf|. . . 1 xcomp _ SpaceAfter=No 2</td></tr><tr><td>6 .</td><td>.</td><td colspan=\"2\">PUNCT interp</td><td>PunctType=Peri</td><td colspan=\"2\">1 punct _ _</td><td>*</td></tr></table>"
            },
            "TABREF2": {
                "type_str": "table",
                "text": "Statistics of the Polish corpus in version 1.2 in comparison with version 1.1.",
                "html": null,
                "num": null,
                "content": "<table><tr><td/><td>root</td><td>obl</td></tr><tr><td>det</td><td>nsubj</td><td>case</td></tr><tr><td colspan=\"3\">Wiele pary p\u00f3jdzie w gwizdek</td></tr><tr><td colspan=\"3\">det noun verb adp noun</td></tr><tr><td colspan=\"3\">much steam will-go into whistle</td></tr></table>"
            }
        }
    }
}