… In TREC 2011, we submitted three runs for diversity task. In run 1, we used both bisecting
k-means clustering and query expansion. The method is similar with which we used in TREC …

… that we use in diversity task. It was found last year that submission for diversity task is better
than ad… In this paper, we described our experiment in ad-hoc task, TREC 2011. This year, we …

… and diversity measures employed in the TREC Web track. … Web Track will undergo a
substantial change for TREC 2013. While the adhoc task will continue, we plan to drop the diversity …

… In TREC 2011, we submitted three runs for diversity task. We do the parameter training on
the data from the past three years (TREC2009, TREC2010, and TREC2011). All the three runs …

… Therefore, we focus on the adhoc and diversity tasks of the TREC Web 2009 campaign (considering
only the set B of the corpus). Moreover, we choose the best systems for each task …

… Web Track diversity tasks. Experimental results show that the proposed subtopic-based …
the model of the ICTNET team. Our model performs better than the ICTNET team because their …

… Query track queries and TREC 2007 Question Answering track … (similar to those defined in
the Web track’s diversity task [4]). … diversity measures such as those used by the Web track. …

… In the TREC Web Track Diversity Task, subtopics are manually developed at NIST, … Diversity
Task in the Web Track2 in 2009, while NTCIR3 started a related task called INTENT4 in 2011…

… Query track queries and TREC 2007 Question Answering track … (similar to those defined in
the Web track’s diversity task [4]). … diversity measures such as those used by the Web track. …

… diversity rest on the same metrics (see section II-B). Note that a new classification of diversity
has … It distinguishes individual diversity and aggregated diversity, depending on if we are …