In this work we analyze the problem of knowledge representation in a collaborative multi-agent system where agents can obtain new information from others through communication. Namely, we analyze several approaches of belief revision in multi-agent systems. We will describe different…

AI requires Logic. But its Classical version shows too many insufficiencies. So, it is very necessary to introduce more sophisticated tools, as may be Fuzzy Logic, Modal Logic, Non-Monotonic Logic, and so on [2]. Among the things that AI needs…

A review of:
Mellon, Constance A. “Library Anxiety: A Grounded Theory and Its Development.” College & Research Libraries 47 (1986): 160-65.

Objective – To better understand the feelings of college freshmen engaged in their first research project using…

The purpose of the study was to formulate a model to predict the performance of Iranian high school third-graders on the End of the Course Achievement (ECA) tests through their performance on the vocabulary tests, which were administered throughout the…

This paper examines the effect of outsourcing on the export performance of firms. The analysis is based on the theories of international business and the point of view of the resources and the economics of transaction costs, according to which…

The Semantic Web attempts to reach a state in the future where everything on the Web will no longer be only machine-readable, but also machine-understandable. An ontology is an explicit specification of a conceptualization. A conceptualization is an abstract, simplified…

Collaborative systems are becoming a widely used tool particularly among professional communities and research groups. They provide a suitable context for distributed people working on the same subject to concentrate their work in a shared place to which everyone has…

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…

This paper explores the relation between society, family, and learning. In particular, it addresses the features of home literacy environments in low income families and their impact on children's pre-literacy skills and knowledge. Sixty-two four/five-year-old children and their mothers were…

Recent work on the application of relevance theory to humorous speech-acts (jokes) defines these as being characterised by an increased demand in processing effort for the attainment of maximum contextual effects. This increase, however, is limited to the resolution of…