201 search results - page 7 / 41 » Semantic Foundations of 4NF in Relational Database Design |
JODS
2006
13 years 7 months ago
2006
Abstract. Many problems in Information and Data Management require a semantic account of a database schema. At its best, such an account consists of formulas expressing the relatio...
OWLED
2008
13 years 8 months ago
2008
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
DAWAK
2009
Springer
14 years 10 hour ago
2009
Springer
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
IEEESCC
2009
IEEE
14 years 2 months ago
2009
IEEE
Up to now, developing software for the Semantic Web is much more complex than developing software for other data representation paradigms, such as relational databases. Softwa...
OWLED
2008
13 years 8 months ago
2008
Abstract. Web portal software is relatively easy to set up and populate from the perspective of the end-user, but it leaves the back-end database devoid of subject domain semantics...