8259 search results - page 717 / 1652 » Self-Tuning Database Systems |
188
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DEXA
1997
Springer
15 years 11 months ago
1997
Springer
Abstract. In this paper, a new approach for retrieval from semistructured photographic collections is described. We have developed a retrieval model based on the Dempster-Shafer th...
185
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SP
1996
IEEE
15 years 11 months ago
1996
IEEE
View-based access control enables content-based and context-based security, as opposed to container-based security provided in operating systems. However, view-based access contro...
175
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ICDT
1997
ACM
15 years 11 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...
197
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ICDE
1993
IEEE
15 years 11 months ago
1993
IEEE
In order to obtain the performance required for nonstandard database environments, we need suitable storage structures for complex objects. I n this paper we use an hierarchical c...
193
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KDD
1994
ACM
15 years 11 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...