Tobias Lichtenberg

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The unstructured text content of online communication artifacts is a salient source of information about social relationships. We investigate the utility of keywords extracted from the message body as a representation of the relationship's characteristics, which are reflected by the conversation topics to a certain extent. Keyword extraction is performed(More)
The set of interpersonal relationships on a social network service or a similar online community is usually highly heterogenous. The concept of tie strength captures only one aspect of this heterogeneity. Since the unstructured text content of online communication artefacts is a salient source of information about a social relationship, we investigate the(More)
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