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JAPLL
2010
13 years 7 months ago
2010
We provide complete axiomatizations for several fragments of XPath: sets of equivalences from which every other valid equivalence is derivable. Specifically, we axiomatize downwar...
VRML
1998
ACM
14 years 1 months ago
1998
ACM
In its current state, VRML does not provide support for interaction and on-line access to databases, even though these are two fundamental issues for business applications. We hav...
XSYM
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
ER
1999
Springer
14 years 1 months ago
1999
Springer
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
DEXA
2010
Springer
13 years 10 months ago
2010
Springer
With the development of more expressive description logics (DLs) for the Web Ontology Language OWL the question arises how we can properly deal with the high computational complexi...