Weblogs and other platforms used to organize a social life online have achieved an enormous success over the last few years. Opposed to applications directly designed for building up and visualizing social networks, weblogs are comprised of mostly unstructured text data, that comes with some meta data, such as the author of the text, its publication date or the URL it is available under. In thi...

Education is one of the key sectors that has benefited from the continuous developments and innovations in information and communication technology (ICT). Web-based facilities now provide a medium for learning and a vehicle for information dissemination and knowledge creation (Khine, 2003). Accordingly, developments in ICTs provide opportunities for educators to expand and refine frameworks for...

Scanning the internal and external environment of an organisation to trace current and emerging topics of discourse, is an important task for knowledge management. Results of this scanning process can be used to anticipate on new developments and for detecting possible knowledge bottlenecks. This paper addresses the unobtrusive identification of conceptual structures exchanged and possibly shar...

This paper describes a comprehensive study on social networks of weblogs integrated with analysis of users’ reading behavior. The analyzed data are obtained from a Japanese weblog hosting service, Doblog. Four kinds of social networks are generated and analyzed: citation, comment, trackback, and blogroll networks. In addition, the user log data are used to identify readership relations among bl...

In recent years, many researches to mine the exploding Web world, especially User Generated Content (UGC) such as weblogs, for knowledge about various phenomena and events in the physical world have been done actively, and also Web services with the Web-mined knowledge have begun to be developed for the public. However, there are few detailed investigations on how accurately Web-mined data refl...

Collaborative learning is well suited to online learning environments built around threaded discussion. Research frameworks have developed around these practices providing methodological guidance for examining learning as a collective endeavor within the boundaries of a course. These frameworks may not adequately represent the individual as an active agent within these socially-constructed envi...