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README.md
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## Limitations
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- max_seq_length = 448
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## Limitations
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- max_seq_length = 448
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The underlying corpus [NerKor+CARS-ONPP](https://github.com/novakat/NYTK-NerKor-Cars-OntoNotesPP) was derived from [NYTK-NerKor](https://github.com/nytud/NYTK-NerKor), a Hungarian gold standard named entity annotated corpus containing about 1 million tokens.
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It includes a small addition of 12k tokens of text (individual sentences) concerning motor vehicles (cars, buses, motorcycles) from the news archive of [hvg.hu](hvg.hu).
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While the annotation in NYTK-NerKor followed the CoNLL2002 labelling standard with just four NE categories (`PER`, `LOC`, `MISC`, `ORG`), this version of the corpus features over 30 entity types, including all entity types used in the [OntoNotes 5.0] English NER annotation.
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The new annotation elaborates on subtypes of the `LOC` and `MISC` entity types, and includes annotation for non-names like times and dates, quantities, languages and nationalities or religious or political groups.
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## Tags derived from the OntoNotes 5.0 annotation
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Names are annotated according to the following set of types:
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|---|---------|
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|`PER` | = PERSON People, including fictional |
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|`FAC` | = FACILITY Buildings, airports, highways, bridges, etc. |
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|`ORG` | = ORGANIZATION Companies, agencies, institutions, etc. |
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|`GPE` | Geopolitical entites: countries, cities, states |
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|`LOC` | = LOCATION Non-GPE locations, mountain ranges, bodies of water |
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|`PROD` | = PRODUCT Vehicles, weapons, foods, etc. (Not services) |
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|`EVENT` | Named hurricanes, battles, wars, sports events, etc. |
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|`WORK_OF_ART` | Titles of books, songs, etc. |
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|`LAW` | Named documents made into laws |
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The following are also annotated in a style similar to names:
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|---|---------|
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| `NORP` | Nationalities or religious or political groups |
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| `LANGUAGE` | Any named language |
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| `DATE` | Absolute or relative dates or periods |
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| `TIME` | Times smaller than a day |
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| `PERCENT` | Percentage (including "%") |
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| `MONEY` | Monetary values, including unit |
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| `QUANTITY` | Measurements, as of weight or distance |
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| `ORDINAL` | "first", "second" |
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| `CARDINAL` | Numerals that do not fall under another type |
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## Additional tags (not in OntoNotes 5)
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Further subtypes of names of type `MISC`:
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|-|-|
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|`AWARD`| Awards and prizes |
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| `CAR` | Cars and trucks |
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|`MEDIA`| Media outlets, TV channels, news portals|
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|`SMEDIA`| Social media platforms|
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|`PROJ`| Projects and initiatives |
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|`MISC`| Unresolved subtypes of MISC entities |
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|`MISC-ORG`| Organization-like unresolved subtypes of MISC entities |
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Further non-name entities:
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|-|-|
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|`DUR` |Time duration
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|`ID`| identifier
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