995 search results - page 139 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
130
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BIOCOMP
2007
15 years 3 months ago
2007
Low-Complexity Regions (LCRs) of biological sequences are the main source of false positives in similarity searches for biological sequence databases. We consider the problem of ï...
115
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PODS
2008
ACM
16 years 2 months ago
2008
ACM
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
124
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BDA
2007
15 years 3 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
119
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VLDB
1994
ACM
15 years 6 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
204
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SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
Clio, the IBM Research system for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is behind some of I...