Theses

Here you can find theses of Know-Center employees

Aspects of User Motivation in Social Tagging Systems

Dissertation Christian Körner 2012

Tagging describes the process of annotating resources with terms - so called "tags" - in order to enable better organization, retrieval and sharing of information. Today, a large number of diverse applications exist that allow users to annotate digital information from their libraries on the web. These systems are referred…

User Model Serivces for Adaptive Work-integrated Learning

Master's thesis Günter Beham 2011

A major challenge when designing software for work-integrated learning (WIL) is that the system provides real-time learning support adapted to a user’s situation and background knowledge (adaptive system). In order to adapt to the user’s situa- tion and characteristics, a user model is needed that is continuously updated to the…

Evaluating a User Model with Implicit Knowledge Diagnosis for an Adaptive Work-Integrated Learning System: A Field Study

Thesis (old curriculum) Christine Pabst 2010

A main challenge for adaptive learning systems, especially in a working context, is a continuously updated knowledge diagnosis. Implicit knowledge diagnosis is a possible solution to assess work-integrated knowledge through naturally occurring behavior actions from a worker. The present study focuses on the validity of an implicit knowledge diagnosis (Knowledge…

Webbasierte Überwachung und Visualisierung von Anlagedaten

Master's thesis Thomas Gebhard 2010

The 21st century is characterized by a tremendous waste of energy and non-renewable resources. The effects of this behavior can be noticed throughout the world. Our society has already started to some extent to change their way of consumption towards a more sustainable utilization of available resources. The increasing importance…

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…

Visualisierung und dynamische Aggregierung von semantischen Graphen

Master's thesis Martin Kandlhofer 2010

The enormous growth of data and content over the last few years resulted in large amounts of complex information hosted on heterogeneous systems. Semantic technologies, which have seen rapid adoption in recent years, employ a formalized, machine-understandable representation of knowledge to facilitate sharing and reuse of the stored information and…

Configurable User Profiling Service and Simulation's of User Behaivior in APOSDLE

Master's thesis Daniel Resanovic 2010

In a dynamical world of IT, adaptivity became one of the most important features. To enable adaptivity features of a system there has to be an appropriate infrastructure. Each component should be able to support and contribute to the adaptivity of such systems to a certain extent. How to design…

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…

Authentifizierung in Netzwerken unter Verwendung eines Single Sign-On Systems

Thesis (old curriculum) Alexander Plaschke 2009

Usage of distributed network services and applications has recently become an integral element in daily corporate business as well as in private use. Nevertheless, users have to interact and communicate with a variety of systems, each one using its own dedicated identification mechanism. Over a certain period of time users…

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…

Assoziative Suche für das Semantic Web - Ein netzbasierter Suchansatz unter Berücksichtigung semantischer und inhaltsbasierter Ähnlichkeiten

Dissertation Peter Scheir 2008

While in the current Web information is largely gathered by humans, the Semantic Web aims at having this task performed by computer programs. To achieve this goal information on the Web is enriched with machine-interpretable data that allows for identifying the meaning (semantics) of information on the Web. Approaches to…

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…

AD-HOC - Eine Methodik zur Entwicklung von virtuellen Lern-Arbeitsumgebungen

Dissertation Johannes Farmer 2006

Organizations rely heavily on their knowledge workers to learn efficiently and to apply knowledge effectively within their work processes. Hence virtual work-and-learning environments are needed that support newcomers and experienced workers in equal measure and provide task-specific learning support ad hoc. However, by now contextualized learning support is costly, because…

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…

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