The knowledge imperfections should be considered when modeling complex problems. A solution is to develop a model that reduces the complexity and another option is to represent the imperfections: uncertainty, vagueness and incompleteness in the knowledge base. This paper proposes…

This article discusses a project to design and implement a small French vocabulary tutor for the World Wide Web. The tutor includes words, pictures, and sounds to help students learn new words and their pronunciation. The article highlights salient features…

This paper reports on the grammatical and programmatical production aspects of the Hebrewer, a cross-platform web-based reference work in the form of a Hebrew inflection generator. The Hebrewer, a Java applet/servlet combination, is currently capable of generating 2,500 nouns in…

SEAsite is a web-based interactive learning resource site for Southeast Asian Languages (Indonesian, Tagalog, Thai, Khmer, Lao, Burmese, and Vietnamese). Its language learning materials feature second language (L2) script support, streaming audio, pictures, and interactive exercise types that allow learners…

This paper presents BANZAI, a new intelligent language tutor program developed by the author over the past two years. The BANZAI application is programmed in Java and runs in a web browser over the Internet. It is designed to develop…

The paper describes a framework for the implementation of an elearning system based on the Semantic Web, using software agents and Java Web Services. Hopefully we have elucidated the enormous potential of making web content machine-understandable. One of the killer…

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In this paper a methodology for accesing scientific data repositories on data grids is proposed. This methodology is based on ontology specification and knowledge representation. The concept of Knowledge Perspective is introduced, as the action of applying particular scientific conjectures…

The rising complexity of distributed computer systems give reason to investigate self-organization mechanism to build systems that are self-managing in the sense of Autonomic and Organic Computing.
In this paper we propose the Artificial Hormone System (AHS) as a general…

During a system’s life cycle, new requirements or changes in the existing ones imply modifying the system. Aspect-oriented software development is a new approach to the modularization of systems, yet it does not provide mechanisms to aid the evolution of…