From Tag Clouds to Tag Webs
This event took place on Wednesday 16 May 2007 at 11:15
Dr Simon Buckingham Shum
In this seminar I'll present results from the formative evaluation of ClaimSpotter, an experimental semantic social tagging tool developed in Bertrand Sereno's PhD, and presented at the WWW'07 CKC workshop: When they publish their work, researchers build in established ways on prior work, expressing and contesting claims and counter-arguments. Collaborative tagging holds promise as an approach to mediating this discursive process via the Web, but, although permitting diversity of opinion, 'pure' freeform tagging provides no support to analysts who want to differentiate important kinds of tag, and critically, their inter-relationships. Our experience demonstrates that collaborative, scholarly tagging requires tools designed specifically for this sensemaking task by providing enough support to initiate the annotation, while not overwhelming users with suggestions. We describe a tool called ClaimSpotter that aims at supporting this tradeoff, through a novel combination of system-initiated tag recommendations, Web interface design, and an expanded conception of how tags can be both expressed, and semantically linked. We then report a detailed study which analysed the tool's usability and the tag structures created, contributing to our understanding of the implications of adding structure to collaborative tagging.
This event took place on Wednesday 16 May 2007 at 11:15
In this seminar I'll present results from the formative evaluation of ClaimSpotter, an experimental semantic social tagging tool developed in Bertrand Sereno's PhD, and presented at the WWW'07 CKC workshop: When they publish their work, researchers build in established ways on prior work, expressing and contesting claims and counter-arguments. Collaborative tagging holds promise as an approach to mediating this discursive process via the Web, but, although permitting diversity of opinion, 'pure' freeform tagging provides no support to analysts who want to differentiate important kinds of tag, and critically, their inter-relationships. Our experience demonstrates that collaborative, scholarly tagging requires tools designed specifically for this sensemaking task by providing enough support to initiate the annotation, while not overwhelming users with suggestions. We describe a tool called ClaimSpotter that aims at supporting this tradeoff, through a novel combination of system-initiated tag recommendations, Web interface design, and an expanded conception of how tags can be both expressed, and semantically linked. We then report a detailed study which analysed the tool's usability and the tag structures created, contributing to our understanding of the implications of adding structure to collaborative tagging.
Future Internet
KnowledgeManagementMultimedia &
Information SystemsNarrative
HypermediaNew Media SystemsSemantic Web &
Knowledge ServicesSocial Software
Semantic Web and Knowledge Services is...
Our research in the Semantic Web area looks at the potentials of fusing together advances in a range of disciplines, and applying them in a systemic way to simplify the development of intelligent, knowledge-based web services and to facilitate human access and use of knowledge available on the web. For instance, we are exploring ways in which tnatural language interfaces can be used to facilitate access to data distributed over different repositories. We are also developing infrastructures to support rapid development and deployment of semantic web services, which can be used to create web applications on-the-fly. We are also investigating ways in which semantic technology can support learning on the web, through a combination of knowledge representation support, pedagogical theories and intelligent content aggregation mechanisms. Finally, we are also investigating the Semantic Web itself as a domain of analysis and performing large scale empirical studies to uncover data about the concrete epistemologies which can be found on the Semantic Web. This exciting new area of research gives us concrete insights on the different conceptualizations that are present on the Semantic Web by giving us the possibility to discover which are the most common viewpoints, which viewpoints are mutually inconsistent, to what extent different models agree or disagree, etc...
Our aim is to be at the forefront of both theoretical and practical developments on the Semantic Web not only by developing theories and models, but also by building concrete applications, for a variety of domains and user communities, including KMi and the Open University itself.
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