Data - HARD 2005

trec.nist.gov: https://trec.nist.gov/data/t14_hard.html

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• Corpus: https://catalog.ldc.upenn.edu/LDC2002T31
• Topics: https://trec.nist.gov/data/hard/05/05.50.topics.txt
• Qrels: https://trec.nist.gov/data/hard/05/TREC2005.qrels.txt

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