201 search results - page 14 / 41 » Extending the Relational Algebra to Capture Complex Objects |
AIML
2008
13 years 9 months ago
2008
Labelled tableaux are extensions of semantic tableaux with annotations (labels, indices) whose main function is to enrich the modal object language with semantic elements. This pap...
SAC
2011
ACM
12 years 10 months ago
2011
ACM
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...
KR
2004
Springer
14 years 1 months ago
2004
Springer
We consider complex scheduling problems that can be captured as optimization under hard and soft constraints. The objective of such an optimization problem is to satisfy as many h...
CC
2007
Springer
13 years 7 months ago
2007
Springer
Abstract. The problem of testing membership in the subset of the natural numbers produced at the output gate of a {∪, ∩,− , +, ×} combinational circuit is shown to capture a...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...