394 search results - page 31 / 79 » An extensive math query language |
120
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ECOWS
2009
Springer
15 years 8 months ago
2009
Springer
SPARQL is the standard query language for RDF, but currently is a read-only language defined in a way similar to SQL: Queries can be formulated, are submitted to a single process...
105
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ICDT
2003
ACM
15 years 7 months ago
2003
ACM
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
108
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ENTCS
2007
15 years 1 months ago
2007
Description Logics (DLs) are a family of logic based knowledge representation formalisms. Although they have a range of applications, they are perhaps best known as the basis for ...
115
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ICGI
2010
Springer
15 years 3 months ago
2010
Springer
Angluin showed that the class of regular languages could be learned from a Minimally Adequate Teacher (mat) providing membership and equivalence queries. Clark and Eyraud (2007) sh...
173
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SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...