Rutgers at the TREC 2012 Session Track

BUPT_PRIS at TREC 2012 Session Track

In this paper, we introduce our experiments carried out at TREC 2012 session track. Based on the work of our group in TREC 2011 session track, we propose several methods to improve the retrieval performance by considering the user behavior information over the session, which includes use query expansion based on meta data, query expansion based on click order, optimization based on history rank...

ICTNET at Session Track TREC 2012

Rutgers Interactive Track at TREC-5

The Interactive Track investigation at Rutgers concentrated primarily on three factors: the searchers’ uses and understandings of relevance feedback and ranked output, and the utility of relevance feedback for the interactive track task; the searchers’ understandings of the interactive track task; and performance differences based on topic characteristics and searcher and order effects. Our off...

Overview of the TREC 2010 Session Track

Research in Information Retrieval has traditionally focused on serving the best results for a single query. In practice however users often enter queries in sessions of reformulations. The Sessions Track at TREC 2010 implements an initial experiment to evaluate the effectiveness of retrieval systems over single query reformulations.

Webis at the TREC 2012 Session Track Extended Abstract for the Conference Notebook

In this paper we give a brief overview of the Webis group’s participation in the TREC 2012 Session track. Our runs implement three main ideas: (1) distinguishing low risk sessions where we want to involve session knowledge in the form of a conservative query expansion strategy (only few expansion terms based on keywords from previous queries and seen/clicked documents/titles/snippets) from thos...