ad-hoc retrieval

doc retrieval(相关性)(一短句一长句)

数据集

TREC
Robust
ClueWeb
GOV2
Microblog
AOL log
Bing Search log

question answering

answer retrieval(相关性)(一短句一长句)
answer span locating(阅读理解)
answer synthesizing(阅读理解)
multiple-choice selection(阅读理解)

数据集

TREC QA
WikiQA
WebAP
InsuranceQA
WikiPassageQA
MS MARCO

community question answering

answer retrieval(相关性)(两短句)
question retrieval(相似性)(两短句)

数据集

Quora Dataset
Yahoo! Answers Dataset
SemEval-2017 Task3

automatic conversation

数据集

Ubuntu Dialog Corpus (UDC)
Sina Weibo dataset
MSDialog
the ”campaign” NTCIR STC

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