Andrea Bernardini Claudio Carpineto FUB at TREC 2008 Relevance Feedback Track: Extending Rocchio with Distributional Term Analysis. 2008 TREC http://trec.nist.gov/pubs/trec17/papers/fondazione.rf.rev.pdf conf/trec/2008 db/conf/trec/trec2008.html#BernardiniC08