2492 search results - page 73 / 499 » Ontology-based Database Access |
ICDT
2005
ACM
14 years 3 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
CIKM
2005
Springer
14 years 3 months ago
2005
Springer
Existing web usage mining techniques focus only on discovering knowledge based on the statistical measures obtained from the static characteristics of web usage data. They do not ...
SIGMOD
2010
ACM
13 years 8 months ago
2010
ACM
More and more important data is accumulated inside social networks. Limiting the flow of private information across a social network is very important, and most social networks pr...
WEBNET
2000
13 years 11 months ago
2000
: Web application accessibility requires the enforcement of a set of rules on the content written or generated with the help of Web Development Environments. W3C Consortium's ...
PODS
2004
ACM
14 years 10 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...