THUIR at TREC 2003: HARD Experiments.

Liang Ma Wei Tan Qunxiu Chen Shaoping Ma Shuicai Shi Shibin Xiao Hongwei Wang Hongjun Wang

Published in: TREC (2003)

Keyphrases

information retrieval
test collection
question answering
multiscale
relevance feedback
real world
website
case study
co occurrence
information retrieval systems
document retrieval
expert search