1358 search results - page 70 / 272 » An inductive database and query language in the relational m... |
138
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VLDB
1990
ACM
15 years 10 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
161
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TIME
2000
IEEE
15 years 10 months ago
2000
IEEE
We present a data model for movies and movie databases. A movie is considered to be a 2-dimensional semialgebraic figure that can change in time. We give a number of computabilit...
195
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CIKM
2000
Springer
15 years 10 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
173
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MEDINFO
2007
15 years 7 months ago
2007
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
173
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
Path expressions are the principal means of locating data in a hierarchical model. But path expressions are brittle because they often depend on the structure of data and break if...