Yohannes Tsegay Falk Scholer Simon J. Puglisi RMIT University at TREC 2008: Relevance Feedback Track. 2008 TREC http://trec.nist.gov/pubs/trec17/papers/rmit.rf.pdf conf/trec/2008 db/conf/trec/trec2008.html#TsegaySP08