Peking University at the TREC 2005 Question and Answering Track.

Jing He Cheng Chen Conglei Yao Ping Yin Yongjun Bao

Published in: TREC (2005)

Keyphrases

question answering systems
test collection
information retrieval
clef ip
question answering
retrieval effectiveness
e learning
query answering
stanford university
ad hoc retrieval
information systems
hong kong
average precision
database
state university
language model
case study
query performance prediction
trec web