422 search results - page 3 / 85 » Evaluating Passage Retrieval Approaches for Question Answeri... |
ISCI
2007
13 years 5 months ago
2007
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
TREC
2003
13 years 7 months ago
2003
This paper reports our efforts on developing a language modeling approach to passage question answering. In particular, we address the following two problems: (i) generalized lang...
TREC
2004
13 years 7 months ago
2004
This report describes the experiments of the University of Edinburgh and the University of Sydney at the TREC-2004 question answering evaluation exercise. Our system combines two ...
ECIR
2008
Springer
13 years 7 months ago
2008
Springer
Abstract. In the named entity normalization task, a system identifies a canonical unambiguous referent for names like Bush or Alabama. Resolving synonymy and ambiguity of such name...
ANLP
2000
13 years 7 months ago
2000
Information retrieval systems have typically concentrated on retrieving a set of documents which are relevant to a user's query. This paper describes a system that attempts t...