4137 search results - page 316 / 828 » Managing Expressions as Data in Relational Database Systems |
160
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NAR
1998
15 years 6 months ago
1998
PRINTS is a database of protein family ‘fingerprints’ offering a diagnostic resource for newly-determined sequences. By contrast with PROSITE, which uses single consensus expr...
201
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SIGMOD
1993
ACM
15 years 10 months ago
1993
ACM
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
162
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EFDBS
2000
15 years 8 months ago
2000
We describe the architecture of a federated system designed to allow the integration of structured, relational, data together with unstructured multimedia data. Two characteristic...
251
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ICDE
1996
IEEE
16 years 8 months ago
1996
IEEE
A multimedia presentation refers to the presentation of multimedia data using output devices such as monitors for text and video, and speakers for audio. Each presentation consist...
167
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SIGMOD
1998
ACM
15 years 11 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...