This paper aims to show investigations made in knowledge e-marketplaces (Ke-markets). It gathers, reviews, structures, and compiles in a homogeneous presentation information of th...
The issue of quality assurance has been on the agenda of distance and open teachinguniversities for many years. In such a context, the development of high quality study materials ...
An enormous amount of information is currently available through specialized services of digital libraries (DLs). However the specification and development of DLs are very complex...
David Patricio Viscarra del Pozo, Lena Veiga e Sil...
Safe exchange is a key issue in multiagent systems, especially in electronic transactions where nondelivery is a major problem. In this paper we present a unified framework for mo...
This paper presents a genetic algorithm (GA) with specialized encoding, initialization and local search genetic operators to optimize communication network topologies. This NPhard...