2728 search results - page 254 / 546 » The EGTV Query Language |
159
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SEBD
2007
15 years 8 months ago
2007
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
165
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IJIS
2007
15 years 6 months ago
2007
In this paper, we introduce principles for ontology-based querying of information bases. We consider a framework in which a basis ontology over atomic concepts in combination with ...
269
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POPL
2008
ACM
16 years 6 months ago
2008
ACM
This paper presents a demand-driven, flow-insensitive analysis algorithm for answering may-alias queries. We formulate the computation of alias queries as a CFL-reachability probl...
182
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ERSHOV
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Data privacy is an important application of ontology modularization. The aim is to publish one module while keeping the information of another module private. We show how...
173
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ICALP
2005
Springer
16 years 3 days ago
2005
Springer
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...