Peer-to-peer (P2P) systems have become a major area of research in the past few years. Their potential was first revealed by the hugely popular P2P file sharing applications, which allow any computer (as a peer), anywhere in a large scale distributed computing environment, to share information and resources with others. The computing environments promoted by P2P systems and technology are decen...

Peer-to-Peer (P2P) systems are emerging as a “new” form of distributed computing with a strong emphasis on selforganization, decentralization and autonomy of the participating nodes. Self-organization, autonomy and decentralization allow for highly adaptive, robust and scalable networks making P2P an increasingly interesting way to design distributed systems. Unfortunately it is still very diff...

Nowadays, many structured P2P algorithms have been proposed frequently. Consequently, the P2P application developers need to learn different P2P API semantics. Developers will take additional efforts if they want to replace the underlying P2P networks of their P2P applications with other ones. Moreover, it is difficult for the developers to evaluate the performance of an application based on a ...

Much work has been done on building content-based publish/subscribe systems over structured P2P networks, so that the two technologies can be combined together to better support large-scale and highly dynamic systems. However, existing content-based routing protocols can only provide weak reliability guarantee over structured P2P networks. We designed a new type of content-based routing protoco...

Destination Management Systems (DMS) is a perfect application area for Semantic Web and P2P technologies since tourism information dissemination and exchange are the key-backbones of tourism destination management. DMS should take advantage of P2P technologies and semantic web services, interoperability, ontologies and semantic annotation. RDF-based P2P networks allow complex and extendable des...

There has recently been an increasing interest in convergence of p2p and ad hoc network research. Actually, p2p systems and multihop ad hoc networks share similar features, such as self-organisation, decentralisation, self-healing, and so forth. It is thus interesting to understand if p2p systems designed for the wired Internet are suitable also for ad hoc networks and, if they are not, in whic...

Peer-to-Peer computing (P2P) is a model in which each system acts potentially as both client and server, and systems link the one another without resorting on centralized services. Thanks to its generality, flexibility, and scalability, P2P is one of the prominent models in the Web. Endpoint-based Web Services infrastructures, for instance, reflect a P2P nature. Popular P2P systems are generall...

As Peer-to-Peer (P2P) systems are widely deployed in the Internet, P2P traffic control becomes a challenge for Internet Service Providers (ISPs) and P2P system vendors. Some recent works consider the interaction between ISPs and P2P systems and propose ISP-friendly P2P traffic control mechanisms for reducing cross-ISP traffic. In this paper, we consider another fundamental problem: the interact...

The formal framework for weakly-coupled P2P database systems is based on the consideration of the incomplete e locally inconsistent information in Web. In order to overcome these difficulties and to obtain a reach ontology for users, in each peer-database can be encapsulated the semantic of a Data integration system to obtain a kind of Abstract Data Type, and we consider only certain answers fr...

One of the major database research areas is Data Integration, which refers to providing users with a uniform view over a set of heterogeneous, distributed and autonomous data sources. Data Integration settings concern, for instance, mediator-based integration systems and P2P ones (named Peer Data Management Systems). In these settings, users pose their queries without having to spend time in se...