Sciweavers

511 search results - page 73 / 103
» Composition of Semantic Relations: Model and Applications
Sort
View
GEOINFORMATICA
2011
14 years 9 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
FOIKS
2006
Springer
15 years 5 months ago
The Nested List Normal Form for Functional and Multivalued Dependencies
The Nested List Normal Form is proposed as a syntactic normal form for semantically well-designed database schemata obtained from any arbitrary finite nesting of records and lists....
Sven Hartmann, Sebastian Link
JDM
2008
112views more  JDM 2008»
15 years 1 months ago
Reverse Engineering from an XML Document into an Extended DTD Graph
The extensible markup language (XML) has become a standard for persistent storage and data interchange via the Internet due to its openness, self-descriptiveness, and flexibility....
Herbert Shiu, Joseph Fong
LICS
2003
IEEE
15 years 7 months ago
Revisiting Digitization, Robustness, and Decidability for Timed Automata
We consider several questions related to the use of digitization techniques for timed automata. These very successful techniques reduce dense-time language inclusion problems to d...
Joël Ouaknine, James Worrell
IJCIS
1998
78views more  IJCIS 1998»
15 years 1 months ago
Merging Databases Under Constraints
The problem of integrating information from con icting sources comes up in many current applications, such as cooperative information systems, heterogeneous databases, and multi-a...
Jinxin Lin, Alberto O. Mendelzon