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DEXA
2005
Springer
13 years 10 months ago
2005
Springer
The first step in finding an efficient way to solve any difficult problem is making a complete, possibly formal, problem specification. This paper introduces a formal specifica...
DEXA
2005
Springer
13 years 10 months ago
2005
Springer
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
DEXA
2005
Springer
13 years 10 months ago
2005
Springer
The rapidly growing web technologies and electronic commerce applications have stimulated the need of personalized and group decision support functionalities in eTourism intermedia...
DEXA
2005
Springer
13 years 10 months ago
2005
Springer
In relational database systems a combination of privileges and views is employed to limit a user’s access and to hide non-public data. The data privacy problem is to decide wheth...
DEXA
2005
Springer
13 years 10 months ago
2005
Springer
The widespread use of XML brings new challenges for its integration into general software development processes. In particular, it is necessary to keep the consistency between di...