3836 search results - page 368 / 768 » Semantics of Database Transformations |
175
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IS
2007
15 years 6 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
199
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IJRR
2010
15 years 1 months ago
2010
The ability to represent knowledge about space and its position therein is crucial for a mobile robot. To this end, topological and semantic descriptions are gaining popularity fo...
164
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ISMIS
2003
Springer
15 years 11 months ago
2003
Springer
T his paper outlines a formal theory for de fining action concepts in taxonomical knowledge representation languages, in a form closely related to description logics. The central p...
155
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DLS
2008
15 years 8 months ago
2008
Parsing Expression Grammar (PEG) is a recognition-based foundation for describing syntax that renewed interest in top-down parsing approaches. Generally, the implementation of PEG...
152
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GG
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. Amalgamation is a well-known concept for graph transformations in order to model synchronized parallelism of rules with shared subrules and corresponding transformations....