Sciweavers

4767 search results - page 913 / 954
» Moving between Contexts
Sort
View
AAAI
2006
15 years 1 months ago
Large Scale Knowledge Base Systems: An Empirical Evaluation Perspective
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
Yuanbo Guo, Abir Qasem, Jeff Heflin
BXML
2004
15 years 1 months ago
Ontology-derived Activity Components for Composing Travel Web Services
: In this paper we present our ongoing work in creating a semantic Web service composition and execution framework. The efforts described are undertaken in the context of the SATIN...
Matthias Flügge, Diana Tourtchaninova
AVI
2006
15 years 1 months ago
Usability of overview-supported zooming on small screens with regard to individual differences in spatial ability
While zoomable user interfaces can improve the usability of applications by easing data access, a drawback is that some users tend to become lost after they have zoomed in. Previo...
Thorsten Büring, Jens Gerken, Harald Reiterer
CATS
2006
15 years 1 months ago
On the Logical Implication of Multivalued Dependencies with Null Values
The implication of multivalued dependencies (MVDs) in relational databases has originally been defined in the context of some fixed finite universe (Fagin 1977, Zaniolo 1976). Whi...
Sebastian Link
DAGSTUHL
2004
15 years 1 months ago
An Example for Metamodeling Syntax and Semantics of Two Languages, their Transformation, and a Correctness Criterion
We study a metamodel for the Entity Relationship (ER) and the Relational data model. We do this by describing the syntax of the ER data model by introducing classes for ER schemata...
Martin Gogolla