%0 Conference Paper %A Amig'o, Enrique %A Gonzalo, Julio %A Artiles, Javier %B 2nd Web People Search Evaluation Workshop (WePS 2009), 18th WWW Conference %C Madrid, Spain %D 2009 %F www2009:256 %T Combining Evaluation Metrics via the Unanimous Improvement Ratio and its Application in WePS Clustering Task %U http://www2009.eprints.org/256/