Pascal Felber Toan Luu Martin Rajman Etienne Riviere Managing collaborative feedback information for distributed retrieval. 27-34 2008 LSDS-IR http://doi.acm.org/10.1145/1458469.1458479 conf/cikm/2008lsdsir db/conf/cikm/lsdsir2008.html#FelberLRR08