QCRI @ TREC 2011: Microblog Track.

Ali El Kahki Kareem Darwish

Published in: TREC (2011)

Keyphrases

test collection
clef ip
question answering
information retrieval
retrieval effectiveness
social networks
social media
relevance feedback
neural network
blog opinion retrieval
hot topics
search engine
data sets
query expansion
language model
biomedical information retrieval
microblog posts