536 search results - page 23 / 108 » Retrieval Using Structure for Question Answering |
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Information retrieval systems, based on keyword match, are evolving to question answering systems that return short passages or direct answers to questions, rather than URLs point...
TREC
2004
13 years 10 months ago
2004
The TREC 2004 Question Answering track contained a single task in which question series were used to define a set of targets. Each series contained factoid and list questions and ...
NAACL
2003
13 years 10 months ago
2003
We examine clarification dialogue, a mechanism for refining user questions with follow-up questions, in the context of open domain Question Answering systems. We develop an algori...
NDQA
2003
13 years 10 months ago
2003
The World Wide Web lacks support for explaining information provenance. When web applications return results, many users do not know what information sources were used, when they ...
ERCIMDL
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. In this paper we present an approach to question answering over heterogeneous knowledge sources that makes use of different ontology management components within the sce...