Second generation Peer-to-Peer systems employ a Distributed Hashtable (DHT) to locate data efficiently in their network.But when peers fail, the DHT algorithm needs to route around them, which, in many cases, reduces its efficiency. We propose to ...

Peer-to-Peer (P2P) systems are applied to cooperative working environments, but require more effective document sharing mechanisms, particularly, more efficient query processing. To achieve efficient query processing in the environment, we study a ...

Peer-to-Peer (P2P) applications have recently seen an enormous success and have reached millions of users. The main reason of this success is the anonymity the users enjoy. However, as recent experiences with P2P networks show, this anonymity offers an ...

The information on the web is growing at a very fast pace. In this ever-accumulating data, the volume of information being exchanged using peer-to-peer applications is on the rise in recent times. As peer-to-peer applications like file sharing, ...

The issue of trust in Peer-to-Peer (P2P) needs to be addressed, especially if it is to evolve into a general information exchange system beyond file sharing. Mechanisms must be included, either directly into the peer-to-peer protocols, or as a separate ...

The topic of mobile agents has been of great interest to researchers in the last years. However, research concentrated on academic systems, like simulation or other applications in the area of artificial intelligence, or on systems with central ...

In this paper we examine the dissemination of availability reports about resources in mobile peer-to-peer networks,where vehicles, pedestrian or sensors communicate with each othervia short-range wireless transmission. Each disseminated report ...

This paper deals with the storage and manipulation of vague spatial objects: points, lines, and regions. Vector data format is used to implement vague objects. We store vague objects by extending GRASS vector format capabilities. A point is represented ...

In tackling the Semantic Web, a rich domain that requires special attention is the Semantic Geospatial Web. In this paper we make a contribution to the Semantic Geospatial Web by defining an approach based on an ontology for integrating non-spatial ...

In this paper we describe the NcML-G{ML}: an extension of the NetCDF Markup Language (NcML). Such extension allows to encode NetCDF dataset resorting to GML 3.0 elements.It was conceived to facilitate the interoperability between the Atmospheric Science ...

This paper reflects different understanding and positions on future trends of GRID-oriented technologies, applications, and networks, as perceived by representatives from industry and academia. There is no definitive answer on the topic that is raised ...

Coupling has been originally defined as the measure of the strength of association established by a connection from one module to another. Most of the existing techniques and measuring coupling metrics are classified by procedural programming and object-...

This paper introduces Collaborative Reinforcement Learning (CRL), a coordination model for solving system-wide optimisation problems in distributed systems where there is no support for global state. In CRL the autonomic properties of a distributed ...

In Autonomic Computing, an application needs to be aware of its environment. While the term "environment" is not normally understood as being a physical environment, in Pervasive Computing many applications do actually need to monitor the physical ...

Wide-area networks provide an easy access to many different distributed and heterogeneous data sources. The development of automated operating tools is still complex, particularly because of evolution and adaptation requirements (to the data sources ...

Recently, the peer-to-peer (P2P) paradigm has emerged, mainly by file sharing systems such as Napster and Gnutella and in terms of scalable distributed data structures. Due to the decentralization, P2P systems promise an improved robustness and ...

This short paper outlines challenges of delivering continuous media and traffic information to mobile Car-to-Car Peer-to-Peer (C2P2) network of devices. We analyze network connectivity of a C2P2 cloud as a function of radio range of each device. A novel ...

Grid technologies have been developed in response to an increase in demand for computing applications designed to yield the benefits from collaboration, data sharing and sophisticated interaction of autonomous and geographically dispersed resources. ...

This paper presents a Web-based tool for solving inventory model problems based on stationary demand. The idea behind the tool is to develop a set of dynamic tools that can be easily accessed and utilized by users, both novices and experts, in dealing ...

In recent years, various types of Web contents which consist of audio, video, graphics and text data are provided on WWW using high-speed networks. Since the volume of those data enormously increase, it is quite difficult to search and retrieve the ...