2492 search results - page 294 / 499 » Ontology-based Database Access |
208
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DKE
2007
15 years 6 months ago
2007
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...
185
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IPM
2007
15 years 6 months ago
2007
We describe a compression model for semistructured documents, called Structural Contexts Model (SCM), which takes advantage of the context information usually implicit in the stru...
221
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BMCBI
2005
15 years 6 months ago
2005
Backgorund: The completion of the Human Genome Project has resulted in large quantities of biological data which are proving difficult to manage and integrate effectively. There i...
166
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SAC
2008
ACM
15 years 6 months ago
2008
ACM
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...
194
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DEXA
2009
Springer
16 years 1 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...