314 search results - page 48 / 63 » Cross-species queries of large gene expression databases |
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
CIKM
2011
Springer
13 years 9 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
103
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BTW
1999
Springer
15 years 1 months ago
1999
Springer
Conceptual Information Systems provide a multi-dimensional conceptually structured view on data stored in relational databases. On restricting the expressiveness of the retrieval l...
67
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SP
1996
IEEE
15 years 1 months ago
1996
IEEE
View-based access control enables content-based and context-based security, as opposed to container-based security provided in operating systems. However, view-based access contro...
PODS
2008
ACM
15 years 9 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...