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DGO
2003
129views Education» more  DGO 2003»
15 years 5 months ago
Extending XML Web Querying to Heterogeneous Geospatial Information
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...
OTM
2007
Springer
15 years 10 months ago
Leveraging the Expressivity of Grounded Conjunctive Query Languages
We present a pragmatic extension of a Semantic Web query language (including so-called grounded conjunctive queries) with a termination safe functional expression language. This ad...
Alissa Kaplunova, Ralf Möller, Michael Wessel
LICS
2000
IEEE
15 years 8 months ago
Models for Name-Passing Processes: Interleaving and Causal
We study syntax-free models for name-passing processes. For interleaving semantics, we identify the indexing structure required of an early labelled transition system to support t...
Gian Luca Cattani, Peter Sewell
MFCS
1998
Springer
15 years 8 months ago
Flow Logic for Imperative Objects
We develop a control flow analysis for the Imperative Object Calculus. We prove the correctness with respect to two Structural Operational Semantics that differ in minor technical ...
Flemming Nielson, Hanne Riis Nielson
FMLDO
2000
Springer
138views Database» more  FMLDO 2000»
15 years 7 months ago
Schema Evolution and Versioning: A Logical and Computational Characterisation
In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general objectoriented model for sc...
Enrico Franconi, Fabio Grandi, Federica Mandreoli