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PROP: Pre-training with Representative Words Prediction for Ad-hoc Retrieval.
Xinyu Ma
Jiafeng Guo
Ruqing Zhang
Yixing Fan
Xiang Ji
Xueqi Cheng
Published in:
CoRR (2020)
Keyphrases
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ad hoc retrieval
multiword
query expansion
pseudo relevance feedback
document collections
test collection
data fusion
information retrieval
keywords
relevance model
web search
link structure
training set
n gram