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We adapt the above technique as a query expansion tool and use it to expand the given queries for Session Track at TREC 2011. ... It is based on the observation that using the term "wikipedia" to expand the query resulted in a better retrieval performance for the tasks at last year's session track at TREC 2010. ... Each submission file of the TREC Session Track 2011 consists of four different ranked lists, namely RL1, RL2, RL3, and RL4. ...dblp:conf/trec/AdeyanjuSNAK11 fatcat:3dppfvvm2jhcpmvbqtuvbhvmka
In this paper we give a brief overview of the Webis group's participation in the TREC 2012 Session track. ... Our runs focus on three research questions: (1) distinguishing low risk sessions where we want to involve session knowledge from those where we don't, (2) examining conservative query expansion (only few ... Note that this point is related to the RGU-ISTI-Essex team's 2011 baseline that adds the term wikipedia to any query [ANA + 11]. ...dblp:conf/trec/HagenPBGHS12 fatcat:3wttn2igrfcurfl2ob2c3yjz2m