Understanding Why Users Tag: A Survey of Tagging Motivation Literature and Results From an Empirical Study
17 Pages Posted: 7 Jul 2018 Publication Status: Accepted
While recent progress has been achieved in understanding the structure and dynamics of social tagging systems, we know little about the underlying user motivations for tagging, and how they influence resulting folksonomies and tags. This paper addresses three issues related to this question: 1.) What distinctions of user motivations are identified by previous research, and in what ways is user motivation amenable to quantitative analysis? 2.) To what extent does tagging motivation vary across different social tagging systems? and 3.) How does variability in user motivation in hence resulting tags and folksonomies? In this paper, we present measures to detect whether a tagger is primarily motivated by categorizing or describing resources, and apply these measures to datasets from seven different tagging systems. Our results show that a) users' motivation for tagging varies not only across, but also within tagging systems, and that b) tag agreement among users who are motivated by categorizing resources is significantly lower than among users who are motivated by describing resources. Our findings are relevant for 1) the development of tag-based user interfaces 2) the analysis of tag semantics and 3) the design of search algorithms for social tagging systems.
Keywords: Social Tagging Systems, Tagging Motivation, User Motivation, User Goals
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