1933 search results - page 309 / 387 » Query Containment Using Views |
115
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
135
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
114
Voted
PODS
2007
ACM
16 years 2 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
148
Voted
XSYM
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
115
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COMPSAC
2006
IEEE
15 years 8 months ago
2006
IEEE
This paper presents an approach for building consensus ontologies from the individual ontologies of a network of socially interacting agents. Each agent has its own conceptualizat...