Theses

Here you can find theses of Know-Center employees

Modelling and Acquiring Knowledge about Human Goals

Dissertation Mark Kröll 2012

Realizing the vision of machines behaving intelligently requires theacquisition of real-world knowledge including, but not limited to, knowledgeabout human goals. Understanding human goals can help (i) to answer "why"questions about user behavior and user interactions, (ii) to reason aboutpeople's goals or (iii) to generate action sequences that implement goals (plangeneration).…

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…

Rule-based test data extraction for training machine learning algorithms

Bachelor's thesis Florian Salbrechter 2011

In this thesis we examine the automatic generation of training data in order to train a machine learning algorithm. We will use a rule-based approach to generate the training data which is build using the GATE Natural Language Processing framework. The machine learning algorithm is using a statistical model, the…

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…

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…

Anwendung von Data Mining Techniken in der Handels- und Versicherungsbranche

Dissertation Anna Kohlmayr 2009

In this work, we focus on business application of data mining techniques and cover a wide spectrum of approaches, methods and techniques falling under the umbrella of data mining. Many concepts are illustrated on examples that come from our own experience and practical work in the field. Giving a state-of-the-art…

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…

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…

Technology-Enhanced Workplace Learning: Modelling Competence and Performance for the Case of Requirements Engineering

Thesis (old curriculum) Barbara Kump 2006

From a psychological point of view, two models are required for the construction of an adaptive learning environment for informal, self-directed work-integrated learning (e.g., APOSDLE): the Knowledge Base, a model of the structured expert knowledge of a domain, and the S tudent Model, a model of the competencies of the…

Steuerungsinstrumente und Maßnahmen für Wissensrisiken

Thesis (old curriculum) Thomas Moser 2005

As a result of rising competition in most branches, new laws and regulations the need for effective risk management increases. Effective risk management requires critical risks identification and treatment. In this paper the author wants to determine how far the task of risk response planning can be supported. For this…

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…

Augmenting Knowledge-Based Systems with Dynamic Personalisation Concepts

Dissertation Dolly Kandpal 2003

In the knowledge-intensive society of today, the emphasis is on delivering the right kind and quantity of just-in-time knowledge to the knowledge workers. Personalization, i.e. the adaptation of a system according to a user's needs, is gaining increasing relevance as an enabler for delivering such relevant knowledge. Personalization can be…

Automatische Orchestrierung von Knowledge Discovery Services

Dissertation Werner Klieber

Knowledge discovery processes need to be flexibly configurable for various domain scenarios. This includes the specification of the tasks, their orchestration, integration and optimising. Modelling of such processes allows an implementation independent and intuitive usage. However, for complex tasks it becomes difficult to select the appropriate services and put them…

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