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SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
16 years 7 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu
SIGMOD
2002
ACM
134views Database» more  SIGMOD 2002»
16 years 7 months ago
Data Modelling versus Ontology Engineering
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
Peter Spyns, Robert Meersman, Mustafa Jarrar
ACL2
2006
ACM
16 years 25 days ago
Parameterized congruences in ACL2
Support for congruence-based rewriting is built into ACL2. This capability allows ACL2 to treat certain predicate relations ”just like equality” under appropriate conditions a...
David Greve
GCC
2003
Springer
16 years 2 days ago
A Collaborative Multimedia Authoring System
We developed a SMIL-based collaborative multimedia authoring tool supporting a mechanism for conceptually representing the temporal relations between different media. Among the ma...
Mee Young Sung, Do Hyung Lee
ER
1999
Springer
108views Database» more  ER 1999»
15 years 11 months ago
Modeling Cyclic Change
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...
Kathleen Hornsby, Max J. Egenhofer, Patrick J. Hay...