THUIR at TREC 2008: Blog Track

Improved Feature Selection and Redundance Computing - THUIR at TREC 2004 Novelty Track

This is the third years that Tsinghua University Information Retrieval Group (THUIR) participates in Novelty task of TREC. Our research on this year’s novelty track mainly focused on four aspects: (1) text feature selection and reduction; (2) improved sentence classification in finding relevant information; (3)efficient sentence redundancy computing; (4) effective result filtering. All experime...

University of Lugano at TREC 2008 Blog Track

We report on the University of Lugano’s participation in the Blog track of TREC 2008. In particular we describe our system for performing opinion retrieval and blog distillation.

On the TREC Blog Track

The rise of blogging as a new grassroots publishing medium and the many interesting peculiarities that characterise blogs compared to other genres of documents opened up several new interesting research areas in the information retrieval field. The Blog track was introduced in 2006 as part of the renowned Text REtrieval Conference (TREC) evaluation forum, to drive research on the blogosphere an...

Finding "Abstract Fields" of Web Pages and Query Specific Retrieval - THUIR at TREC 2004 Web Track

THUIR at TREC 2008: Relevance Feedback Track

Tsinghua University Information Retrieval Group (THUIR) has participated into the first Relevance Feedback Track of TREC2008. The TMiner search engine has been used as our text retrieval system, because the processing capability and flexibility of this system on large text data has been testified during many years’ Web Track and Terabyte Track. In the track, we studied two approaches: 1) query ...