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: WSDM (2021)

Keyphrases

ad hoc retrieval
test collection
multiword
document collections
query expansion
data fusion
pseudo relevance feedback
n gram
relevance model
multimedia
web search
information retrieval
keywords
training set
supervised learning
retrieval effectiveness