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The current trends of the semantic web and web 2.0 have led to a growing interest in knowledge representation methods. On the one hand ontologies are being designed by knowledge engineers to perform advanced information integration, on the other hand users apply content-descriptive tags to large-scale document collections. These two new systems broaden the… (More)
As social tagging applications continuously gain in popularity, it becomes more and more accepted that models and tools for (re-)organizing tags are needed. Some first approaches are already practically implemented. Recently, activities to edit and organize tags have been described as "tag gardening". We discuss different ways to subsequently revise and… (More)
This paper presents TagCare as a tool which allows users to maintain their personal tagging vocabulary and to carry it along different platforms. TagCare collects the tags which a user has applied within several social software tools. These personal tags may be edited and structured, e.g. interrelated with hierarchical and other semantic relations.
This paper investigates Twitter usage in scientific contexts, particularly the use of Twitter during scientific conferences. It proposes a methodology for capturing and analyzing citations/references in Twitter. First results are presented based on the analysis of tweets gathered for two conference hashtags.
This paper discusses „citations‟ and „references‟ within the microblogging service Twitter with the aim to provide measures for scientific communication on this platform. It provides definitions for different types of citations on Twitter and discusses general difficulties in accessing scientific tweets. Furthermore, two different datasets that represent… (More)
As social tagging applications continuously gain in popularity, it becomes more and more accepted that models and tools for (re-)organizing tags are needed. Some first approaches are already practically implemented. Recently, activities to edit and organize tags have been described as “tag gardening”. We discuss different ways to subsequently revise and… (More)
Most methods used in knowledge organization systems (KOS) organize knowledge in form of concepts and the relations between them, though the level of differentiating relations varies. Major knowledge representation methods make some of the relations explicit, but they use only a small number of paradigmatic semantic relations so far. This approach is… (More)
This paper offers insights into social media researchers’ everyday practices in dealing with constraints and challenges in the areas of data access, in terms of data collection and sharing, and data publication. We believe that such insights need to be taken into account when discussing methodology and epistemology of social media data to ensure that… (More)
More and more researchers want to share research data collected from social media to allow for reproducibility and comparability of results. With this paper we want to encourage them to pursue this aim -- despite initial obstacles that they may face. Sharing can occur in various, more or less formal ways. We provide background information that allows… (More)