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Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the management of large volumes of metadata, i.e., information describing the available Web content and… (More)
- Giorgos Flouris, Dimitris Manakanatas, Haridimos Kondylakis, Dimitris Plexousakis, Grigoris Antoniou
- Knowledge Eng. Review
- 2008
Ontologies play a key role in the advent of the Semantic Web. An important problem when dealing with ontologies is the modification of an existing ontology in response to a certain need for change.… (More)
- Kyriakos Kritikos, Dimitris Plexousakis
- 2006 European Conference on Web Services (ECOWS…
- 2006
As the Web service paradigm gains popularity for its promise to transform the way business is conducted, the number of deployed Web services grows with a fast rate. While sophisticated semantic… (More)
ABSTRACT Metadata are widely used in order to fully exploit information resources available on corporate intranets or the Internet. The Resource Description Framework (RDF) aims at facilitating the… (More)
- Kyriakos Kritikos, Dimitris Plexousakis
- IEEE Transactions on Services Computing
- 2007
The goal of service oriented architectures (SOAs) is to enable the creation of business applications through the automatic discovery and composition of independently developed and deployed (Web)… (More)
- Kyriakos Kritikos, Dimitris Plexousakis
- IEEE Transactions on Services Computing
- 2009
QoS-based Web service (WS) discovery has been recognized as the main solution for filtering and selecting between functionally equivalent WSs stored in registries or other types of repositories.… (More)
- Aimilia Magkanaraki, Val Tannen, Vassilis Christophides, Dimitris Plexousakis
- J. Web Semant.
- 2004
- Manos Papagelis, Dimitris Plexousakis, Themistoklis Kutsuras
- iTrust
- 2005
Collaborative Filtering (CF), the prevalent recommendation approach, has been successfully used to identify users that can be characterized as “similar” according to their logged history of prior… (More)
- Gregory Karvounarakis, Aimilia Magkanaraki, +4 authors Karsten Tolle
- Computer Networks
- 2003
Real scale Semantic Web applications such as Knowledge Portals and E Marketplaces require the management of voluminous repositories of resource metadata The Resource Description Framework RDF enables… (More)
One of the crucial actions any reasoning system must undertake is the updating of its Knowledge Base (KB). This problem is usually referred to as the problem of belief change. The AGM approach,… (More)