HIT at TREC 2012 Microblog Track.

Zhongyuan Han Xuwei Li Muyun Yang Haoliang Qi Sheng Li Tiejun Zhao

Published in: TREC (2012)

Keyphrases

information retrieval
test collection
clef ip
social media
question answering
retrieval effectiveness
intellectual property
social networks
relevance judgements
hot topics
real time tracking
language model
ad hoc retrieval
expert search
pseudo relevance feedback
topic detection and tracking
relevance feedback