201 search results - page 30 / 41 » Extending the Relational Algebra to Capture Complex Objects |
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Enterprise modeling is a daunting task to be carried out from a single perspective. A challenge to this whole complexity is conflicting descriptions given by different actors when ...
EUROPAR
2001
Springer
14 years 7 days ago
2001
Springer
Distributed-system observation tools require an efficient data structure to store and query the partial-order of execution. Such data structures typically use vector timestamps to...
LPAR
1999
Springer
14 years 15 hour ago
1999
Springer
Abstract. Description Logics (DLs) are a family of knowledge representation formalisms mainly characterised by constructors to build complex concepts and roles from atomic ones. Ex...
SCA
2007
13 years 10 months ago
2007
We describe a method for animating incompressible liquids with detailed free surfaces. For each time step, semiLagrangian contouring computes a new fluid boundary (represented as ...
CIE
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. We present transformations of linearly ordered sets into ordered abelian groups and ordered fields. We study effective properties of the transformations. In particular, w...