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…

A general, web-based Information Extraction System using GATE and the Stanford Parser

Bachelor's thesis Paul Laufer 2012

This work presents the design and scientific background of a web-based information extraction system using the open-source GATE-library 1 (General Architecture for text engineering) [Ham12]. The application provides an extendable architecture for server-based high-level information extraction. Textual resources are annotated using a set of tools according to both, their semantic…

Visual Approach of Utilizing Mobile Sensor Data

Master's thesis Georg Bachmann 2012

When looking at the development of mobile devices in the past few years, it is obvious that smartphones and tablet computers are gaining more and more relevance. In Austria alone, smartphones constitute around one third of all mobile phones in use. Not only do smartphones get faster processors, more efficient…

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…

Analysis of Sequences of Machine States

Master's thesis Martin Stimpfl 2010

Data Mining is a keyword for methods and algorithms which are more and more evolving and raising expectations in many fields of information technology nowadays. Computer-aided "mining" for complex correlations in huge bulks of data is a topic of particular interest for a software company from Graz being engaged in…

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…

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…

SOA in e-Government: SOA Methoden für die Integration von e-Government Backoffice Systemen

Thesis (old curriculum) Arian Mavriqi 2008

E-Government programs are constantly evolving. This evolution is driven by demands of todays information society and innovation in the field of information and communication technologies (ICT). E-Government is also transforming public administration compartmentalized structure into a unified environment in which public institutions collaborate instead of only coexisting. The aim of…

Asset- und Rechtemanagement im Umfeld digitaler Bibliotheken

Master's thesis Philip Hofmair 2005

A reaction to the ever increasing flood of information, especially in the digital sector, is the growing desire to find better methods to organize and control it. Be it documenting and coping with the general information appearing daily on billions of internet sites, or be it dealing with the highly…

Aspekte von e-Learning Umgebungen

Dissertation Thomas Dietinger 2003

Tremendous advances in computer technology and the evolution of the Internet have led to new approaches in learning and training which are summarized under the term e-Learning. This thesis will explain what can be expected from e-Learning and although especially focused on the technological basis, will examine all kinds of…

Wissensmanagement zur Unterstützung von Kundenbeziehungsmanagement - Konzepte, Technologien und ein Prototyp

Thesis (old curriculum) Peter Scheir 2002

This thesis shows how knowledge management can be applied for the successful realization of customer relationship management activities. First, this thesis introduces the topics 'knowledge management' and 'customer relationship management'. Next, aspects of both are combined into knowledge management in customer relationship management or 'customer knowledge management', for short. A…

Knowledge Management Technologies in Context

Dissertation Herwig Rollett 2001

Most of the knowledge management literature to date is written either from a business perspective, tending to ignore important technological considerations, or from a technology perspective, tending to ignore the larger organizational context. By contrast, this thesis focuses on the role of technologies in knowledge management without losing sight of…

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