Here you can find theses of Know-Center employees

A User-centered Approach to Information Quality Assessment in Social Software Systems

Dissertation Nicolas Weber 2012

Over the past decade, the enormous increase in user generated content on the Web has provided an inexhaustible source of information, so much so that being able to find or locate a required piece of information has become more and more like finding a needle in a haystack. The problem…

Suche und Klassifikation von informationstechnologischen Spezifikationen

Master's thesis Matthias Hilpold 2010

In our days the amount of digital data increases every day. A part of this data is available through the Internet for everyone and at any time. Different search engines support the user to find the desired information on the Internet. Even on an Intranet of a large company the…

Pragmatic Analysis of Tagging Motivation in Social Tagging Systems

Master's thesis Hans-Peter Grahsl 2010

Social tagging systems allow users to annotate different kinds of web-resources (URLs, photos, publications etc.) by means of a freely chosen and unbounded vocabulary of terms, so-called tags. While earlier research has been primarily focused on the analysis of the structure and the dynamics of social tagging systems, research has…

Evaluating the Domain Model of Adaptive Work-Integrated Learning Systems

Dissertation Barbara Kump 2010

Adaptive learning systems have been suggested as highly promising means to support work-integrated learning. Adaptivity in a learning system is the result of a complex interaction between a domain model, a learner model and an instructional model. Existing approaches for evaluating adaptive learning systems take into account the learner model…

Automatic Support for Ontology Evaluation - Review of Entailed Statements and Assertional Effects for OWL Ontologies

Dissertation Viktoria Pammer 2010

The typical goal of representing knowledge formally is to make knowledge accessible to machines. Hence, knowledge representation formalisms are chosen to accommodate well to the strengths of machines, often at the expense of being less easy to understand for humans. At the same time, formal representations are most often created…

Reflexionsintegration im arbeitsintegrierten Lernen

Thesis (old curriculum) Alfred Radl 2009

This paper deals with the concept of reflection, especially with the adoption of the reflective process to the field of work integrated learning. Reflection will be seen as an ability of a knowledge worker to increase the efficiency of his decision-making process. The knowledge worker is introduced as a person…

Building Scalable and Smart Multimedia Applications on the Semantic Web

Dissertation Michael Hausenblas 2008

The Semantic Web has become reality over the past couple of years. While certain practical Topics-such as interoperability, etc.-have at least partially been addressed, scalability and expressivity issues regarding the utilisation of multimedia metadata on the Semantic Web are still widely neglected. However, existing Web (2.0) applications handling millions of…

Erfassen von Benutzerkontextinformationen mit AJAX

Thesis (old curriculum) Karl Köberl 2006

As a result of the huge amount of information in the recent years it is hard for a user to find important information. A solution is to use personalized systems in an intranet system or an Internet application. For a personalized system a user model is needed. To get a…

Semiautomatische Erstellung von Wissenslandkarten mittels Knowledge Mining Techniken

Thesis (old curriculum) Thomas Neidhart 2005

By the abundance of existing information the need after a suitable structuring of this data flood arises to facilitate a respective user/system in extracting knowledge or to make it possible at all. The first step to structure given data-sets consists in finding and defining suitable concepts which are used to…

Online Community Plattformen zur Unterstützung des Wissensaustauschs zwischen Konferenzteilnehmern. Eine Anforderungsanalyse am Beispiel der I-KNOW

Thesis (old curriculum) Birgit Marie Hofmann 2005

Online community platforms allow and facilitate the interaction of groups of people, who are linked by shared interests or tasks. In this thesis, such virtual meeting places are investigated in the special context of annual conferences. A closer look is taken at the exchange of relevant information and knowledge between…

Semantische Darstellung und Abfrage von Rechtsnormen am Beispiel Hochschulrecht

Thesis (old curriculum) Michael Hausenblas 2004

The motivation for this work is driven by solving the problem of retrieving relevant legal fragments in the realm of the austrian academic law starting from the statement of affairs. This can be seen as the legal process of subsumption, i.e. to find a passage in a law text that…

Understanding and Supporting Intersubjective Meaning Making in Socio-Technical Systems: A Cognitive Psychology Perspective

Dissertation Sebastian Dennerlein

The planned dissertation will consider collaborative knowledge construction in socio-technical systems to shed more light on the process of Intersubjective Meaning Making (IMM) and provide it with adequate support. As essence of collaboration, IMM appears in the interactions of persons with or within all kinds of artifacts (e.g. documents, pictures,…


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