1933 search results - page 309 / 387 » Query Containment Using Views |
139
click to vote
SIGMOD
2004
ACM
16 years 4 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...
148
click to vote
SIGMOD
2003
ACM
16 years 4 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 ...
128
click to vote
PODS
2007
ACM
16 years 4 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�...
158
click to vote
XSYM
2009
Springer
15 years 10 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...
126
click to vote
COMPSAC
2006
IEEE
15 years 10 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...