719 search results - page 41 / 144 » Normalizing Incomplete Databases |
ICDT
1990
ACM
13 years 11 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
RIDE
2000
IEEE
14 years 3 days ago
2000
IEEE
We present the notion of a distributed database made up entirely of mobile components. Since disconnections will be frequent in such an environment, we develop a disconnection and...
INTERSPEECH
2010
13 years 2 months ago
2010
The perceived quality of a synthetic visual speech signal greatly depends on the smoothness of the presented visual articulators. This paper explains how concatenative visual spee...
APAL
2008
13 years 7 months ago
2008
We extend the earlier results on the equivalence between the Boolean and the multivalued dependencies in relational databases and fragments of the Boolean propositional logic. It ...