This repository contains the scripts for downloading and validating scripts for the documents

Related tags

Deep LearningHC4
Overview

HC4: HLTCOE CLIR Common-Crawl Collection

This repository contains the scripts for downloading and validating scripts for the documents. Document ids, topics, and qrel files are in resources/hc4/

Required packages for the scripts are recorded in requirements.txt.

Topics and Qrels

Topics are stored in jsonl format and located in resources/hc4. The language(s) the topic is annotated for is recored in the language_with_qrels field. We provide the English topic title and description for all topics and human translation for the languages that it has qrels for. We also provide machine translation of them in all three languages for all topics. Narratives(field narratives) are all in English and has one entry for each of the languages that has qrels. Each topic also has an English report(field report) that is designed to record the prior knowledge the searcher has.

Qrels are stored in the classic TREC style located in resources/hc4/{lang}.

Download Documents

To download the documents from Common Crawl, please use the following command. If you plan to use HC4 with ir_datasets, please specify ~/.ir_datasets/hc4 as the storage or make a soft link to to the directory you wish to store the documents. The document ids and hashs are stored in resources/hc4/{lang}/ids*.jsonl.gz. Russian document ids are separated into 8 files.

python download_documents.py --storage ./data/ \
                             --zho ./resources/hc4/zho/ids.jsonl.gz \
                             --fas ./resources/hc4/fas/ids.jsonl.gz \
                             --rus ./resources/hc4/rus/ids.*.jsonl.gz \
                             --jobs 4 \
                             --check_hash 

If you wish to only download the documents for one language, just specify the id file for the language you wish to download. We encourage using the flag --check_hash to varify the documents downloaded match with the documents we intend to use in the collection. The full description of the arguments can be found when execute with the --help flag.

Validate

After documents are downloaded, please run the validate_hc4_documents.py to verify all documents are downloaded for each language.

python validate_hc4_documents.py --hc4_file ./data/zho/hc4_docs.jsonl \
                                 --id_file ./resources/hc4/zho/ids.jsonl.gz \
                                 --qrels ./resources/hc4/zho/*.qrels.v1-0.txt

Reference

If you use this collection, please kindly cite our dataset paper with the following bibtex entry.

@inproceedings{hc4,
	author = {Dawn Lawrie and James Mayfield and Douglas W. Oard and Eugene Yang},
	title = {{HC4}: A New Suite of Test Collections for Ad Hoc {CLIR}},
	booktitle = {Proceedings of the 44th European Conference on Information Retrieval (ECIR)},
	year = {2022}
}
Owner
JHU Human Language Technology Center of Excellence
JHU Human Language Technology Center of Excellence
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