51 search results - page 6 / 11 » Computing consistent query answers using conflict hypergraph... |
SEMWEB
2004
Springer
14 years 22 days ago
2004
Springer
The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
SPAA
2009
ACM
14 years 8 months ago
2009
ACM
Informative labeling schemes consist in labeling the nodes of graphs so that queries regarding any two nodes (e.g., are the two nodes adjacent?) can be answered by inspecting mere...
AI
2010
Springer
13 years 7 months ago
2010
Springer
Bayesian networks (BNs) are used to represent and ef ciently compute with multi-variate probability distributions in a wide range of disciplines. One of the main approaches to per...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...