Shima Gerani Mostafa Keikha Mark James Carman Robert Gwadera Davide Taibi Fabio Crestani University of Lugano at TREC 2008 Blog Track. 2008 TREC http://trec.nist.gov/pubs/trec17/papers/ulugano.blog.rev.pdf conf/trec/2008 db/conf/trec/trec2008.html#GeraniKCGTC08