8763 search results - page 1338 / 1753 » Querying Database Knowledge |
247
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ISD
1999
Springer
15 years 11 months ago
1999
Springer
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
227
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VRML
1998
ACM
15 years 11 months ago
1998
ACM
In its current state, VRML does not provide support for interaction and on-line access to databases, even though these are two fundamental issues for business applications. We hav...
170
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SIGMOD
1996
ACM
15 years 11 months ago
1996
ACM
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
191
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DBPL
1993
Springer
15 years 11 months ago
1993
Springer
A class of database programs exist which are required to operate over an infinite number of types; included in this class are object browsers and query tools. The types over which...
211
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SIGMOD
1994
ACM
15 years 11 months ago
1994
ACM
In the mobile wireless computing environment of the future, a large number of users, equipped with low-powered palmtop machines, will query databases over wireless communication ch...