The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…

In this work we present a reactive autonomous robot navigation system based only on omnidirectional vision. It does not rely on any prior knowledge about the environment apart from assuming a structured one, like indoor corridors or outdoor avenues. The…

The knowledge economy requires a different contribution from human capital (i.e. knowledge workers). Knowledge workers are challenge seekers, have high enthusiasm for learning and prefer freedom and flexibility, so it would be wise to suggest that knowledge management should consider…

Nowadays, data intensive applications are in constant demand and there is need of computing environments with better intelligent capabilities than those present in today's Database Management Systems (DBMS). To build such systems we need formalisms that can perform complicate inferences,…

Defeasible Logic Programming (DeLP) is a knowledge representation formalism that combines results from Logic Programming and Defeasible Argumentation to provide reasoning based on contradictory and potentially incomplete information. DeLP allows information representation by using weak rules and provides an argumentation…

Une préoccupation essentielle traverse cette thèse: l'indifférence systémique de la Loi internationale sur la propriété intellectuelle a l'égard des savoirs traditionnels autochtones. De manière générale, un écart semble d'ailleurs croissant entre l'importance des accords internationaux sur les questions d'intérêt commercial…

This study was carried out to examine crop farmers’ knowledge level of climate change in Ilorin East Local Government Area of Kwara State of Nigeria.               Multistage sampling technique was used in the selection of 70 respondents for the study.…

The supervision of postgraduate Master's Degree dissertations has attracted little attention in the
academic literature and is an under researched area of supervisory activity. This research was a
response to generate new knowledge concerning the praxis of supervisors who supervise…

There has been increased interest in the application of Knowledge Management (KM) in managerial issues as a way of demonstrating the field's value.  There are studies regarding company performance which have been broadly used among researchers. Recognized models can be…

Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has
seen rapid expansion in recent years with a commensurate increase in the number of
radiographers undertaking MRI scans. This imaging modality is a complex one and the strong