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» Semantics and Complexity of SPARQL
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162
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ACSD
1998
IEEE
105views Hardware» more  ACSD 1998»
15 years 10 months ago
Visual Formalisms Revisited
The development of an interactive application is a complex task that has to consider data, behavior, intercommunication, architecture and distribution aspects of the modeled syste...
Radu Grosu, Gheorghe Stefanescu, Manfred Broy
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 10 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
IUI
1997
ACM
15 years 10 months ago
Automating a Classification Task Based on an Augmented Thesaurus
Most classification tasks that have been tackled for automation are ones involving complex chains of causal reasoning. However, our daily lives are filled with simple classificati...
Eunok Paek, Hye-Jeong Jeon
HYBRID
1997
Springer
15 years 10 months ago
Time-Deterministic Hybrid Transition Systems
Hybrid transition systems in their full generality describe continuous behaviour by a set of equations in each mode an algebraic or di erential equation for each state variable in ...
Simin Nadjm-Tehrani
190
Voted
LPNMR
1997
Springer
15 years 10 months ago
Computing Non-Ground Representations of Stable Models
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...
Thomas Eiter, James J. Lu, V. S. Subrahmanian