Bringing together knowledge bearers is a crucial factor for innovation in highperformance sports. Since the capabilities of a growing amount of nations are converging, every detail counts to win a competition. To harness the competence, experience and knowledge of various stakeholders, the Innovation Network Alpine Skiing has developed a custom-designed knowledge and idea management system. Having adapted Web 2.0 technologies to the requirements of innovation in the special environment of high-performance sports, the knowledge workers are enabled to easily contribute to the innovation process. The Wiki-based solution called “SkiBaserl”1 is successfully used in several development projects within the German Skiing Association. This article delivers an outline of the development process, the implementation and an evaluation of the tool.

Authors: Mathias Lux, Oge Marques, Arthur Pitman

Abstract: Social media sharing sites such as Flickr or YouTube have become immensely
popular. Besides sharing actual content, users also share annotations describing or classifying
the contents they publish. Although tagging is easy, annotation still is a laborious task that can
be made easier by suggesting meaningful additional tags to the user automatically. In this
position paper we propose a system architecture and process for supporting annotation by tag
suggestion to increase the quality and quantity of social annotations. The goal is not to tag
previously untagged images in a completely automatic way, but instead to extend the amount
and completeness of annotations by supporting the user in the process of adding further tags.

Keywords: Multimedia, annotation, tag recommendation, social software

Categories: H.3.3, H.5.1

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Authors: Klaus Bredl

Abstract: The need for Knowledge Management (KM) in Human Services is growing. New
“Social Software”-solutions which came along with the so-called “Web 2.0” enable advanced
possibilities of implementing KM-strategies in smaller agencies in the domain of Social Work.
In the field of of human service-oriented knowledge sharing one case out of three projects
showing the use of a wiki will be presented. The project deal with the introduction of a wiki in
the area of Case Management in a job center.

Keywords: Social Software, Wiki, Web 2.0, Human Services, Knowledge Management, Open
Source

Categories: H.1.1, M.5, M.6, L.1.0

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Authors: Benjamin Adrian, Leo Sauermann, Thomas Roth-Berghofer

Abstract: ConTag is an approach to generate semantic tag recommendations for documents
based on Semantic Web ontologies and Web 2.0 services. We designed and implemented
a process to normalize documents to RDF format, extract document topics
using Web 2.0 services and finally match extracted topics to a Semantic Web ontology.
Due to ConTag we are able to show that the information provided by Web 2.0 services
in combination with a Semantic Web ontology enables the generation of relevant semantic
tag recommendations for documents. The main contribution of this work is a
semantic tag recommendation process based on a choreography of Web 2.0 services.

Key Words: Ontology, Web 2.0, Semantic Web, Social Software, Tagging

Category: H.1.1, H.3.3

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Authors: Yiwei Cao, Marc Spaniol, Ralf Klamma and Dominik Renzel

Abstract: Multimedia creation, annotation and sharing are challenging tasks especially of
interdisciplinary, intercultural and intergenerational communities. We present the mobile social
software Virtual Campfire to provide cross-media and cross-community support for de- and recontextualization
of multimedia content, employing Web Services, the MPEG-7 standard and
Web 2.0 technologies etc. Virtual Campfire can enable communities to set up and maintain
multimedia community information systems quickly and easily.

Key Words: Information system, Multimedia, MPEG-7, Web Service, Social Software, Web
2.0, Mobile computing, Community of Practice

Categories: H5.1 Multimedia Information Systems, H2.4 Systems.

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Authors: Claudia Müller and Benedikt Meuthrath

Abstract: Increasingly Wikis are used to support existing corporate knowledge processes.
Wikis are an appropriate software solution to support these processes because of their specific
design principles. However, it is not yet proven whether Wikis are an adequate knowledge
management tool. This paper presents a new approach to analyze existing networks in Wikis.
Four perspectives on Wiki networks are introduced to investigate all dynamic processes and
their interrelationships in a Wiki information space. The Social Network Analysis (SNA) is
used to uncover existing structures and temporal changes. Additionally, a data set of a
corporate Wiki is used to present an analysis which has been carried out. Results of analyzes
work can be utilized to improve the existing knowledge processes in a company.

Keywords: Social Software, Wiki, Knowledge Work, Network Analysis, Collaboration
Network

Categories: A.1, H.0, H.4.3, H.4.m, J.3, K.4.2, K.4.3

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