The "La Sapienza" Question Answering System at TREC 2006

Question Answering Using the DLT System at TREC 2006

QACTIS Enhancements in TREC QA 2006

The QACTIS system has been tested in previous years at the TREC Question Answering Evaluations. This paper describes new enhancements to the system specific to TREC-2006, including basic improvements and threshold-ing experiments, filtered and Internet-supported pseudo-relevance feedback for information retrieval, and emerging statistics-driven question-answering. For contrast, we also compare ...

DalTREC 2006 QA System Jellyfish: Regular Expressions Mark-and-Match Approach to Question Answering

We present a question-answering system Jellyfish. Our approach is based on marking and matching steps that are implemented using the methodology of cascaded regular-expression rewriting. We present the system architecture and evaluate the system using the TREC 2004, 2005, and 2006 datasets. TREC 2004 was used as a training dataset, while TREC 2005 and TREC 2006 were used as testing dataset. The...

A Temporally-Enhanced PowerAnswer in TREC 2006

This paper reports on Language Computer Corporation’s participation in the Question Answering track at TREC 2006. An overview of the PowerAnswer 3 question answering system and a description of new features added to meet the challenges of this year’s evaluation are provided. Emphasis is given to temporal constraints in questions and how this affected the outcome of the systems in the task. LCC’...

TREC 2006 at Maryland: Blog, Enterprise, Legal and QA Tracks

In TREC 2006, teams from the University of Maryland participated in the Blog track, the Expert Search task of the Enterprise track, the Complex Interactive Question Answering task of the Question Answering track, and the Legal track. This paper reports our results.