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People Tagging for Organizational Development
Knowing-who is an essential element for efficient knowledge maturing processes, e.g. for finding the right person to talk to. Many approaches like self-descriptions in employee yellow pages, or top-down competence management approaches have largely failed to live up to their promises. Often because information contained in the directories becomes outdated quickly; or is not described in a manner relevant to potential users.
The approach: Collaborative People Tagging
In MATURE, we are using a lightweight approach based on collaborative tagging as a principle to gather the information about persons inside and outside the company (if and where relevant): individuals tag each other according to the topics they associate with this person. We call this ‘people tagging’. In this way, we gain a collective review of existing skills and competencies. Knowledge can be shared and awareness strengthened within the organisational context around who knows what. This tagging information can then be used to search for persons to talk to in a particular situation. Moreover it can also be used for various other purposes. For instance, human resource development needs to have sufficient information about the needs and current capabilities of their workforce.

Foundation: Collaborative construction of a shared understanding
This needs continuous development of a shared vocabulary (ontology). Competencies usually have an integrating function in the enterprise, bringing together strategic and operational levels, and human resources, and performance management aspects.so that these notions have to be shared by the whole organization (in the ideal case): in consequence we cannot do this without a shared vocabulary – a shared vocabulary which the employees evolve in its usage, i.e. during the tagging or search process.

With our tools, the employees can tag each other with concepts from the shared vocabulary. In the case they want to tag with a topic the existing ontology concepts do not cover (e.g. because the topic is too new or specific), the employees can adapt an existing concept or just use a new term, without an agreed meaning. These new terms are automatically added to the shared vocabulary as “prototypical concepts”, reflecting the fact that it’s not clear yet how they relate to the existing concepts. The users can then remove the new terms from the “prototypical concepts” container and integrate them into the vocabulary and add additional information. The vocabulary information is also used as background knowledge to support the search process. That means the users can improve the retrieval by adding and refining vocabulary information. For instance, if the users miss entries in the search results because of missing links between
concepts (e.g. entries with ‘Glasgow’ or ‘Edinburgh’ when searching for ‘Scotland’), they can easily add them. In this way, we can achieve a collaborative and incremental in-situ revision and improvement. Realtime collaborative gardening tools are provided to promote the convergence towards a shared vocabulary

MATURE explores the relationship of organizational culture and other specifics, e.g. tag/tagger visibility, degree of control for tags, reconcilability with works council etc., as well as the potential of analyzing the tagging dynamics for informing HR development strategies, e.g. identification of crucial new topics and developments.
Facts
Features
- Bookmarklet-based tagging widget with tag suggestions based on the existing shared vocabulary and the content of the person‘s web page
- Can be used on top of existing intranet employee directories or social networking sites
- Lightweight, browser-based, and real-time collaborative ontology editor for competencies based on the SKOS formalism (synonyms, multilinguality, typos, broader, narrower, and related terms)
- Recommendations for gardening the shared vocabulary
- Semantic search for people, taking into account synonyms, broader and narrower terms, but also
tag frequency, competencies of the taggee and several other heuristics - Display of aggregated people profiles
Technology
The people tagging tool is based on SOBOLEO (http://www.soboleo.com), a web-based application realized with the Google Web Toolkit. The data representation is based on SKOS in a RDF repository. It is open for integration through its Web Service interfaces (both SOAP and REST are supported).
Presentations
Flyer
A flyer describing the people tagging demonstrator is available here.
Publications
2010
Braun, Simone, Zacharias, Valentin
SOBOLEO – Editor and Repository for Living Ontologies
In: d'Aquin, Mathieu and Castro, Alexander García and Lange, Christoph and Viljanen, Kim (eds.): Proceedings of the 1st International Workshop on Ontology Repository and Editors for the Semantic Work (ORES 2010) at the Extended Semantic Web Conference (ESWC 2010), 2010
Braun, Simone, Kunzmann, Christine, Schmidt, Andreas
People Tagging & Ontology Maturing: Towards Collaborative Competence Management
In: Randall, David and Salembier, Pascal (eds.): From CSCW to Web2.0: European Developments in Collaborative Design Selected Papers from COOP08, Computer Supported Cooperative Work vol. , Springer, 2010
2009
Braun, Simone, Schora, Claudiu, Zacharias, Valentin
Semantics to the Bookmarks: A Review of Social Semantic Bookmarking Systems
In: Paschke, Adrian and Weigand, Hans and Behrendt, Wernher and Tochtermann, Klaus and Pellegrini, Tassilo (eds.): 5th International Conference on Semantic Systems (I-SEMANTICS 2009), Proceedings of I-KNOW 09 and I-SEMANTICS 09, Verlag der Technischen Universitt Graz, 2009, pp. 445-454
Braun, Simone, Schmidt, Andreas, Zacharias, Valentin
Mit Social Semantic Bookmarking zur nützlichen Ontologie
i-com - Zeitschrift für interaktive und kooperative Medien, vol. 8, no. , 2009, pp.
Braun, Simone, Schora, Claudiu, Zacharias, Valentin
Semantics to the Bookmarks: A Review of Social Semantic Bookmarking Systems
In: International Conference on Semantic Systems (I-SEMANTICS 2009), Graz, Austria, 2009, pp. 445-454
2008
Braun, Simone, Schmidt, Andreas, Graf, Ulrich
Partizipative Entwicklung von Kompetenzontologien
In: Workshop Nutzerinteraktion im Social Semantic Web, Mensch & Computer - 8. Fachuebergreifende Konferenz - M&C 2008 (Sept. 8-9, 2008, Lübeck, Germany), 2008
Braun, Simone, Schmidt, Andreas
People Tagging & Ontology Maturing: Towards Collaborative Competence Management
In: 8th International Conference on the Design of Cooperative Systems (COOP '08), Carry-le-Rouet, France, May 20-23, 2008, 2008
Promoting a shared understanding of competencies - position statement at IEEE LTSC WG20 meeting in Stuttgart
Andreas Schmidt represented MATURE and its approach to competency definitions at the informal IEEE LTSC WG20 meeting. Its goal was to establish a - standardization body independent - group that develops a shared understanding of competency data management. A position statement was presented and lively discussed:
- Andreas.Schmidt's blog
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