166 search results - page 13 / 34 » A Theory of Signs for Database Semantics |
ADC
2001
Springer
14 years 7 days ago
2001
Springer
The Sketch Data Model (SkDM) is a new semantic modelling paradigm based on category theory (specifically on categorical universal algebra), which has been used successfully in se...
HT
2003
ACM
14 years 29 days ago
2003
ACM
Through scenarios in the popular press and technical papers in the research literature, the promise of the Semantic Web has raised a number of different expectations. These expect...
SDB
1995
13 years 11 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
"Software as a service" approach has become a reality since efforts of both industry and research focused on service integration on the web. It would be possible to see ...
DOOD
1993
Springer
13 years 11 months ago
1993
Springer
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...