232 search results - page 7 / 47 » Using logical relevance for question answering |
COLING
2002
14 years 9 months ago
2002
This paper describes a dialog based QA system, Dialog Navigator, which can answer questions based on large text knowledge base. In real world QA systems, vagueness of questions is...
ACL
2006
14 years 10 months ago
2006
This paper explores the role of information retrieval in answering "relationship" questions, a new class complex information needs formally introduced in TREC 2005. Sinc...
TREC
2000
14 years 10 months ago
2000
The PISAB Question Answering system is based on a combination of Information Extraction and Information Retrieval techniques. Knowledge extracted from documents is modeled as a se...
AI
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. In this paper we introduce a system that automatically summarizes multiple biomedical documents relevant to a question. The system extracts biomedical and general concept...
IRAL
2003
ACM
15 years 2 months ago
2003
ACM
This paper proposes an algorithm for causality inference based on a set of lexical knowledge bases that contain information about such items as event role, is-a hierarchy, relevan...