Online community search using conversational structures Jangwon SeoW. Bruce CroftDavid A. Smith OriginalPaper 23 April 2011 Pages: 547 - 571
Intent-based diversification of web search results: metrics and algorithms Olivier ChapelleShihao JiSu-Lin Wu OriginalPaper 20 May 2011 Pages: 572 - 592
A study of the integration of passage-, document-, and cluster-based information for re-ranking search results Eyal KrikonOren Kurland OriginalPaper 20 May 2011 Pages: 593 - 616
Fusing different information retrieval systems according to query-topics: a study based on correlation in information retrieval systems and TREC topics Anthony BigotClaude ChrismentJosiane Mothe OriginalPaper 21 June 2011 Pages: 617 - 648