Retrieving information from heterogeneous data sources in a flexible manner and within a single (database) framework is still a challenge. In this paper we present several extensi...
With the rapid growth of the Internet and pervasive computing activities, the migration of back-end legacy systems to network centric environments has become a focal point for res...
Agile workflow technology deals with business processes that require structural changes during run-time. For the difficult task of adapting the workflows, a modelling language that...
Statecharts have been originally created to specify complex reactive systems for use in simulating real-time applications. They extend state transition diagrams with notons of hier...
A. S. M. S. Amaral, R. R. Veloso, Nandamudi Lankal...
Hierarchical structures and catalogs is a way to organize and enrich semantically the available information in the Web. From simple tree-like structures with syntactic constraints ...
Panagiotis Bouros, Theodore Dalamagas, Timos K. Se...