1358 search results - page 50 / 272 » An inductive database and query language in the relational m... |
DBPL
1999
Springer
15 years 2 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
BIS
2008
14 years 11 months ago
2008
Deep web search requires a transformation between search keywords and semantically described and well-formed data structures. We approached this problem in our "In the Web of ...
SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
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ILP
2007
Springer
15 years 3 months ago
2007
Springer
The management of business processes has recently received a lot of attention. One of the most interesting problems is the description of a process model in a language that allows ...
170
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...