Sotirios K. Goudos

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In this paper we define a formal model for a Public Administration service on the basis of the Web Service Mod-eling Ontology (WSMO). For this purpose we employ the generic public service object model of the Governance Enterprise Architecture (GEA) providing a PA domain specific semantics. We investigate conceptual mappings between PA entities and WSMO(More)
a r t i c l e i n f o This paper reviews the state of the art in the area of enhancing eGovernment interoperability by using common models and/or ontologies. This area has currently become a very active research field. We identify and present a significant number (N 40) of relevant efforts. These initiatives are grouped into categories based on the owner,(More)
In this paper we present a generic Public Administration (PA) domain ontology. We define a formal model for a Public Administration service on the basis of the Web Service Modeling Ontology (WSMO). For this purpose we employ the generic public service object model of the Governance Enterprise Architecture (GEA) providing PA domain specific semantics. We(More)
This work presents ongoing research in Pan-European Public Services (PEPS) and Pan-European E-Government Services (PEGS). This field of work is relatively new and has attracted the attention of the European Commission and of many research organizations and businesses as well. The semantic interoperability issues that may arise when a citizen of one Member(More)
Differential Evolution (DE) is a population-based stochastic global optimization technique that requires the adjustment of a very few parameters in order to produce results. However, the control parameters involved in DE are highly dependent on the optimization problem; in practice, their fine-tuning is not always an easy task. The self-adaptive(More)
Cell assignment is an important issue in the area of resource management in cellular networks. The problem is an NP-hard one and requires efficient search techniques for its solution in real-time. In this letter, in order to minimize the cabling and handoff costs, we use two novel discrete particle swarm optimization (PSO) algorithms, the barebones (BB) and(More)