3836 search results - page 451 / 768 » Semantics of Database Transformations |
157
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IUI
2003
ACM
15 years 11 months ago
2003
ACM
As household appliances grow in complexity and sophistication, they become harder and harder to use, particularly because of their tiny display screens and limited keyboards. This...
166
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SSD
2001
Springer
15 years 10 months ago
2001
Springer
Like people who casually assess similarity between spatial scenes in their routine activities, users of pictorial databases are often interested in retrieving scenes that are simil...
164
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
151
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
193
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TOOLS
1998
IEEE
15 years 10 months ago
1998
IEEE
Conventional object-oriented analysis delivers a business object model, which is transformed during design into collaborating class clusters which implement the business model...