Theses

Here you can find theses of Know-Center employees

Extraction and Evaluation of Facts from Tweets

Bachelor's thesis Michael R. Kralowetz 2012

The goal of this thesis is to extract, evaluate and store information from tweets, thereby creating a gateway between the Semantic Web and the World Wide Web. Using a generated dataset from the social networking- and microblogging service Twitter, so called, from us defined, facts are filtered by using regular…

Identifikation von relevanten Konzepten in einem Ontologie-basierten Kontext-Modell

Master's thesis Georg Kompacher 2011

Managing the massive amount of continously increasing personal information is becoming ever more difficult. Unobstrusive observation of the user in order to understanding the present user context can enable better support for the knowledge worker. The goal of this thesis is to identify entities of a user interaction context model…

User Interaction Context - Studying and Enhancing Automatic User Task Detection on the ComputerDesktop via an Ontology-based User Interaction Context Model

Dissertation Andreas S. Rath 2010

User context detection has recently gained momentum, thanks to the interest shown by several established research areas, such as information retrieval, personal information management, technology enhanced learning as well as task and process management. In the information retrieval area user context is exploited for personalizing search, in personal information management…

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…

Social-focused Network Analysis of User Goals Extracted from a Large Search Query Log

Master's thesis Christian Körner 2009

Search engines represent a primary instrument for users of the World Wide Web to express their informational needs. However, during the process of search query formulation, the original intention behind a search query is often lost. This master's thesis aims to address this problem by studying the construction of different…

Relevanz-Feedback in Information Retrieval Systemen

Thesis (old curriculum) Peter Prettenhofer 2009

This thesis explores the use of connectionist models for adaptive information retrieval. In general, adaptive information retrieval refers to the process of adapting the search towards the users context and need (cf. [Joho et al., 2008]). In particular, the goal of an adaptive information retrieval system is to improve retrieval…

Organizational Competency Management - A Competence Performance Approach

Dissertation Tobias Ley 2006

This work is concerned with a new approach in organizational Competency Management. The goal is to develop a method that is practically feasible for organizational settings, is firmly based in psychological conceptions of human competence and performance in the workplace, and employs a degree of mathematical formalization that improves possibilities…

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…

Bewertung von Wissensrisiken. Vergleich von Modellen des Risikomanagements zur Bewertung von Wissensrisiken

Thesis (old curriculum) Maria Turek 2005

The Know-Center Graz is working on a framework for the integration of knowledge risks into existing risk management models and systems to enable particularly knowledge intensive companies to make their risk management more effective. The assessment of knowledge risks is a critical point in this context and its success depends…

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…

A Contribution to Affinity Measures in Knowledge Management Systems

Thesis (old curriculum) Manuel Fischer 2003

Starting point of this thesis is experience that has shown that additional value is created in knowledge-management systems, if the relationship between knowledge carriers is made explicit to users. Knowledge carriers can be users as well as documents, in this context. Based on this, the goal of this work is…

Locating lost items using motion sensing on smartphones

Master's thesis Martin Daum

Everyone knows the annoying situation when personal items of appreciated value are disappeared and several precious minutes, or even hours, are was- ted for frantic searching. Modern technologies are useful for assisting in such moments. For example electronic key finders triggered by whistling ore remo- te controls are available over…

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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