1008 search results - page 20 / 202 » Logic and Databases |
CL
2000
Springer
13 years 12 months ago
2000
Springer
Abstract. We consider the problem of specifying and computing consistent answers to queries against databases that do not satisfy given integrity constraints. This is done by simul...
FSKD
2007
Springer
13 years 9 months ago
2007
Springer
A new type of database anomaly is described by addressing the concept of Cumulated Anomaly in this paper. Dubiety-Determining Model (DDM), which is a detection model basing on sta...
ADC
2008
Springer
14 years 2 months ago
2008
Springer
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Users without knowledge of schemas or structured query languages have difficulties in accessing information stored in databases. Commercial and research efforts have focused on key...
FMLDO
1999
Springer
13 years 12 months ago
1999
Springer
In this article we extend previous work on the development of logical foundations for the specification of the dynamics of databases. In particular, we deal with two problems. Fir...