2228 search results - page 400 / 446 » On Database Theory and XML |
DLOG
2008
15 years 2 days 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...
BMCBI
2006
14 years 9 months ago
2006
Background: Biological databases and pathway knowledgebases are proliferating rapidly. We are developing software tools for computer-aided hypothesis design and evaluation, and we...
AICOM
2004
14 years 9 months ago
2004
Abstract. In the framework of possibility theory, a tool named `fuzzy pattern matching' (FPM) has been proposed in the eighties and since successfully used in flexible queryin...
104
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SIGMOD
2012
ACM
13 years 6 days ago
2012
ACM
As cloud computing environments become explosively popular, dealing with unpredictable changes, uncertainties, and disturbances in both systems and environments turns out to be on...
112
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EFDBS
2003
14 years 11 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...