: Modern information systems are becoming more and more socio-technical systems, namely systems composed of human (social) agents and software (technical) systems operating togethe...
Workflow Management System is generally utilized to define, manage and execute workflow applications on Grid resources. However, the increasing scale complexity, heterogeneity and...
Abstract— This paper presents our work on supporting flexible query evaluation over large distributed, heterogeneous, and autonomous sources. Flexibility means that the query ev...
The use of Virtual Environments as a user interface can be important for certain types of applications, especially in the fields of education and entertainment. These synthetic wo...
Stigmergy is usually associated with semantically simple problems such as routing. It can be applied to more complex problems by encoding them in the environment through which sti...
H. Van Dyke Parunak, Theodore C. Belding, Robert B...