Over-constrained problems can have an exponential number of conflicts, which explain the failure, and an exponential number of relaxations, which restore the consistency. A user o...
The Web has become the largest information repository over the world. Therefore, effectively and efficiently searching the Web becomes a key challenge. Previous research on Web se...
The Ontolingua ontology development environment provides a suite of ontology authoring tools and a library of modular reusable ontologies. The environment is available as a World ...
Abusive messages (flames) can be both a source of frustration and a waste of time for Internet users. This paper describes some approaches to flame recognition, including a protot...
We discuss potential market mechanisms for the GRID. A complete dynamical model of a GRID market is defined with three types of agents. Providers, middlemen and users exchange uni...
Uli Harder, Peter G. Harrison, Maya Paczuski, Teja...