PKU_ICST at TREC 2011 Microblog Track.

Feng Liang Runwei Qiang Jianwu Yang

Published in: TREC (2011)

Keyphrases

test collection
clef ip
question answering
information retrieval
social media
retrieval effectiveness
patent retrieval
hot topics
social networks
relevance feedback
microblog posts
biomedical information retrieval
blog opinion retrieval
ir evaluation
expert search
intellectual property
pseudo relevance feedback