461 search results - page 67 / 93 » Question Answering System: Retrieving Relevant Passages |
73
Voted
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discove...
82
Voted
ECIR
2006
Springer
14 years 11 months ago
2006
Springer
Abstract. The following paper proposes a new kind of relevance feedback. It shows how so called query profiles can be employed for disambiguation and clarification. Query profiles ...
VLDB
1990
ACM
15 years 1 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
80
Voted
CADE
2008
Springer
15 years 10 months ago
2008
Springer
Abstract. The LogAnswer system is an application of automated reasoning to the field of open domain question-answering, the retrieval of answers to natural language questions regar...