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"""XMarket retrieval dataset for multiple languages"""
import json
import gzip
from typing import List
import datasets
_DESCRIPTION = """\
An ecommerce category to product retrieval dataset in multiple languages.
The data comes from:
https://xmrec.github.io/
"""
_HOMEPAGE_URL = 'https://xmrec.github.io/'
_LANGUAGES = {'es': 'es', 'de': 'de', 'en': 'us'}
_VERSION = '1.0.0'
URLS = [
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Arts_Crafts_and_Sewing/metadata_%s_Arts_Crafts_and_Sewing.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Automotive/metadata_%s_Automotive.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Books/metadata_%s_Books.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/CDs_and_Vinyl/metadata_%s_CDs_and_Vinyl.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Cell_Phones_and_Accessories/metadata_%s_Cell_Phones_and_Accessories.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Digital_Music/metadata_%s_Digital_Music.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Electronics/metadata_%s_Electronics.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Grocery_and_Gourmet_Food/metadata_%s_Grocery_and_Gourmet_Food.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Home_and_Kitchen/metadata_%s_Home_and_Kitchen.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Industrial_and_Scientific/metadata_%s_Industrial_and_Scientific.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Kindle_Store/metadata_%s_Kindle_Store.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Movies_and_TV/metadata_%s_Movies_and_TV.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Musical_Instruments/metadata_%s_Musical_Instruments.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Office_Products/metadata_%s_Office_Products.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Sports_and_Outdoors/metadata_%s_Sports_and_Outdoors.json.gz',
'https://ciir.cs.umass.edu/downloads/XMarket/FULL/%s/Toys_and_Games/metadata_%s_Toys_and_Games.json.gz',
]
class XMarketMLConfig(datasets.BuilderConfig):
"""BuilderConfig for XMarket."""
def __init__(self, languages=None, **kwargs):
super(XMarketMLConfig, self).__init__(
version=datasets.Version(_VERSION, ''), **kwargs
)
self.languages = languages
class XMarketML(datasets.GeneratorBasedBuilder):
"""The XMarket category to product retrieval dataset"""
BUILDER_CONFIGS = [
XMarketMLConfig(
name=f"{name}-{lang}",
description=f'{name.title()} of the multilingual XMarket dataset.',
languages=None,
)
for name in ['corpus', 'queries', 'qrels'] for lang in _LANGUAGES
]
BUILDER_CONFIG_CLASS = XMarketMLConfig
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._data = None
def _info(self):
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=datasets.Features(
{
"_id": datasets.Value("string"),
"title": datasets.Value("string"),
"text": datasets.Value("string"),
}
),
supervised_keys=None,
homepage=_HOMEPAGE_URL,
)
def _split_generators(self, dl_manager: datasets.DownloadManager):
json_files = []
for lang in self.config.languages:
url_lang = _LANGUAGES[lang]
for url in URLS:
json_files.append(dl_manager.download(url % (url_lang, url_lang)))
return [
datasets.SplitGenerator(
name=datasets.Split.TEST,
gen_kwargs={
'files': json_files,
'split': 'test',
},
),
]
def _generate_examples(
self,
files: List[str],
split: str = None,
):
if not self._data:
corpus = []
queries = dict()
qrels = dict()
for file in files:
with gzip.open(file, 'rt') as f:
for line in f:
product = json.loads(line)
corpus.append(
{
"_id": product['asin'],
"title": product['title'],
"text": product['description'],
}
)
for category in product['categories']:
if category in queries:
qid = queries[category]
qrels[qid].append(product['asin'])
else:
qid = f'q{len(queries)}'
queries[category] = qid
qrels[qid] = [product['asin']]
self._data = {
'corpus': corpus,
'queries': queries,
'qrels': qrels,
}
if self.config.name.startswith('corpus'):
for line in self._data['corpus']:
yield line['_id'], line
elif self.config.name.startswith('queries'):
for query, qid in queries.items():
yield qid, {
"_id": qid,
"title": '',
"text": query,
}
elif self.config.name.startswith('qrels'):
for qid, dids in qrels.items():
yield qid, {
"_id": qid,
"title": '',
"text": ' '.join(dids),
}
else:
raise ValueError(f'Unknown config name: {self.config.name}')
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