Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whet...
Kostas Gratsias, Elias Frentzos, Vasilis Delis, Ya...
Many tasks within semantic web service discovery can be formalized as reasoning problems related to the partial ordering of subactivity occurrences in a complex activity. We show h...
This paper describes a framework for ontology-based flexible discovery of Semantic Web services. The proposed approach relies on user-supplied, context-specific mappings from an...
Abstract. Web Services and Web Service composition languages for Web Service choreography are becoming more and more important in the area for inter-enterprise application and proc...
A web service is a programmable web application accessible using standard Internet protocols. A threelayer architecture has been suggested for web services: service providers, ser...