406 search results - page 9 / 82 » Goal-Driven Answer Extraction |
PAKDD
2010
ACM
14 years 2 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
AUSDM
2007
Springer
14 years 3 months ago
2007
Springer
This paper presents ListWebQA, a question answering system that is aimed specifically at extracting answers to list questions exclusively from web snippets. Answers are identifi...
TREC
2007
13 years 10 months ago
2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
TREC
2001
13 years 11 months ago
2001
We participated to the TREC-X QA main task and list task with a new system named QUANTUM, which analyzes questions with shallow parsing techniques and regular expressions. Instead...
TREC
2007
13 years 10 months ago
2007
A Question Answering (QA) system aims to return exact answers to natural language questions. While today information retrieval techniques are quite successful at locating within l...