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Measuring the Topical Specificity of Online Communities

Measuring the Topical Specificity of Online Communities

This video was recorded at 10th Extended Semantic Web Conference (ESWC), Montpellier 2013. For community managers and hosts it is not only important to identify the current key topics of a community but also to assess the specificity level of the community for: a) creating sub-communities, and: b) anticipating community behaviour and topical evolution. In this paper we present an approach that empirically characterises the topical specificity of online community forums by measuring the abstraction of semantic concepts discussed within such forums. We present a range of concept abstraction measures that function over concept graphs - i.e. resource type-hierarchies and SKOS category structures - and demonstrate the efficacy of our method with an empirical evaluation using a ground truth... Show More
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