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» The Semantics of Extended SOFL
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TOOLS
1992
IEEE
14 years 1 months ago
Automating the Development of Syntax Tree Generators for an Evolving Language
This paper describes an Ei el system for rapid testing of grammars. Grammars are de ned in an extended BNF notation that allows actions on the parse tree nodes to be de ned as add...
Per Grape, Kim Walden
DBKDA
2009
IEEE
136views Database» more  DBKDA 2009»
14 years 1 months ago
Visualization and Integration of Databases Using Self-Organizing Map
Abstract--With the growing computer networks, accessible data is becoming increasing distributed. Understanding and integrating remote and unfamiliar data sources are important dat...
Farid Bourennani, Ken Q. Pu, Ying Zhu
APN
2006
Springer
14 years 27 days ago
Non-sequential Behaviour of Dynamic Nets
Dynamic nets are an extension of Petri nets where the net topology may change dynamically. This is achieved by allowing (i) tokens to be coloured with place names (carried on as da...
Roberto Bruni, Hernán C. Melgratti
CAISE
2006
Springer
14 years 27 days ago
Adaptive Query Formulation to Handle Database Evolution
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...
George Papastefanatos, Panos Vassiliadis, Yannis V...
DEON
2004
Springer
14 years 27 days ago
Conflicting Imperatives and Dyadic Deontic Logic
Often a set of imperatives or norms seems satisfiable from the outset, but conflicts arise when ways to fulfill all are ruled out by unfortunate circumstances. Semantic methods to ...
Jörg Hansen