PRIS at TREC 2011 Microblog Track.

Yan Li Zhenhua Zhang Wenlong Lv Qianlong Xie Yuhang Lin Rao Xu Weiran Xu Guang Chen Jun Guo

Published in: TREC (2011)

Keyphrases

information retrieval
test collection
social media
question answering
hot topics
clef ip
relevance feedback
relevance judgements
evaluation campaigns
probabilistic model
retrieval effectiveness
topic specific
ir evaluation