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165
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ADBIS
2005
Springer
16 years 4 hour ago
2005
Springer
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
162
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ICPR
2008
IEEE
16 years 7 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...
164
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DOLAP
2009
ACM
16 years 29 days ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
169
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KDD
1994
ACM
15 years 10 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
153
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
As video data is penetrating many information systems the need for database support for video data evolves. In this paper we present a generic data model that captures the structu...