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DLOG
2008
14 years 12 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
DAC
2007
ACM
15 years 10 months ago
2007
ACM
High efficiency low voltage DC-DC conversion is a key enabler to the design of power-efficient integrated circuits. Typically a star configuration of the DC-DC converters, where o...
75
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ISMIS
1999
Springer
15 years 1 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
FPL
2006
Springer
15 years 1 months ago
2006
Springer
The use of reconfigurable hardware for network security applications has recently made great strides as FPGA devices have provided larger and faster resources. Regular expressions...
AIMSA
2010
Springer
14 years 11 months ago
2010
Springer
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...