Wikis are considered to be part of Web 2.0 technologies that potentially support collaborative learning and writing. Wikis provide opportunities for multiple users to work on the same document simultaneously. Most wikis have also a page for written group discussion. Nevertheless, wikis may be used in different ways depending on the pedagogy being used, and the constraints imposed by the course ...

This paper presents a study on the use of Concept Maps in Web based learning. At the onset a detailed literature survey is presented discussing the web learning systems developed by various researchers using Concept Maps from Personalized and Collaborative application point of view. A framework is then proposed defining the environment, applications and goals of these web based learning systems...

The mid-1990s marked the widespread adoption of intranets by organizations to facilitate communication between geographically dispersed organizational units. Since then the knowledge barriers to adoption have been lowered by the emergence of advanced development tools and later the availability of ready-made " intranet-in-a-box " packages as well as an elevation of the general awareness and kno...

Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm in two dimensions. Firstly, variants of Kleinberg’s techniques do not take into account the semantics of the query string nor of the nodes being searched. As a result, polysemy of query words cannot be resolved. This paper presents...

The purpose of this paper is to provide research based understanding of adding sinonyms to a concept in an ontology. We hypothesize that managing synonyms with a good taxonomy and a good integration process are good approaches to organize and share knowledge. This paper can give a discourse to a group of people in different societies that want to share data using different concepts in the same ...