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Computer-mediated learning needs to be social too. Interactivity is a central construct for collaborative knowledge construction in online communities. We present an operationalized framework for measuring interactivity in online discussions, based on our view of interactivity as a socio-constructivist process. We hypothesize that the traditional design for online discussion platforms, with linear,...
For some time, the term cyberinfrastructure has been used to describe the collected set of computer-based software and services utilized to support and advance science, engineering, and education. Over the past decade there has been an evolution of that cyberinfrastructure aimed at enabling more robust and virtual, distributed scientific research set in a context of an interdisciplinary virtual observatory,...
Collaboration in temporal and spatially distributed environments has consistently had to deal with the challenge of intense awareness, extensively more than locally concentrated team play. Awareness means being informed, in conjunction with an understanding of activities, states and relationships of each individual within a given group as a whole. In multifarious offices, where social interaction...
Due to a lack of precise and exact terms of reference, the Internet features very little content related to agriculture. Agropedia, one of the world's first agricultural knowledge repositories built from semantic, collaborative, and social networking metaphors, bridges this gap via agricultural knowledge models. Creating vibrant and diverse communities requires careful planning as well as an open,...
The unified documentation of models and their relations, which vary greatly concerning the description view, the abstraction level, the language used and the purpose for which they have been built, is still challenging. The knowledge about the relations, which exist between models is usually not captured in a systematic way and hence cannot be searched and reused across different projects and stakeholders...
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