347 search results - page 35 / 70 » Foundations of Preferences in Database Systems |
ICDT
2010
ACM
14 years 7 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
FOIS
2010
13 years 11 months ago
2010
Abstract. The paper presents preliminary results in the area of ontological engineering for historical research. Historical information systems are still in the initial stage of de...
DEEC
2005
IEEE
14 years 3 months ago
2005
IEEE
A base of clearly defined product information is a key foundation for an e-commerce system. The manipulation and exchange of semantically enriched and precise product information ...
PET
2004
Springer
14 years 3 months ago
2004
Springer
There are a variety of well-known models for access control developed for purposes like formally modeling the access rights on files, databases, and web resources. However, the ex...
ACSAC
2001
IEEE
14 years 1 months ago
2001
IEEE
In most of the current authorization frameworks in application systems, the authorization for a user operation is determined using a static database like ACL entries or system tab...