3403 search results - page 207 / 681 » A Query System in a Biological Database |
168
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DOLAP
2009
ACM
16 years 1 months 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, ...
166
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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...
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...
174
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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...
158
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ICDE
1987
IEEE
15 years 10 months ago
1987
IEEE
Handling parallelism in database systems involves the specification of a storage model, a placement strategy, and a query processing strategy. An important goal is to determine th...