Theses

Here you can find theses of Know-Center employees

Visualizing Research Fields based on Scholarly Communication on the Web

Dissertation Peter Kraker 2014

In science, information overload is not a contemporary issue. At the beginning of a scientific study, it is therefore usually quite cumbersome to get an overview of a research field. In this thesis, I aim to address this problem of classic literature search with visualizations based on scholarly communication on…

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).…

Efficent Data Structures for Knowledge Relationship Discovery

Dissertation Roman Kern 2012

Kognitionspsychologische Aspekte von Collaborative Tagging

Dissertation Paul Seitlinger 2012

On the Navigability of Social Tagging Systems

Dissertation Christoph Trattner 2012

Creating, Interrelating and Consuming Linked Data on the Web

Dissertation Wolfgang Halb 2012

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…

Visual Analysis of Relatedness and Dynamics in Complex, Enterprise-Scale Repositories

Dissertation Vedran Sabol 2012

Large data repositories, such as those used in enterprises, typically store many millions of unstructured, human-readable documents, which contain complex, high-dimensional, multi-faceted information. Such repositories exhibit a highly dynamic behavior characterized by continuous adding, removing and modification of the data set elements. This work deals with the development and application…

Visually enhanced Integration of Domain Knowledge in Automatic Learning Processes

Dissertation Christin Seifert 2012

Wissenstransfer am Arbeitsplatz

Dissertation Conny Christl 2012

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…

Content Facets for Individual Information Needs in Media

Dissertation Elisabeth Lex 2011

The amount of content published in traditional media is huge and steadily growing. Additionally, social media gained momentum since people use blogs to share comments and opinions to current events. However, blog content is questionable in respect to quality since blogs are neither reviewed nor edited. From the media consumer…

Discovery, Triplification and Consumption of Pertinent Resources from Linked Open Data

Dissertation Atif Latif 2011

Linked Data provides a framework for the generation, publishing and sharing of information by use of semantic technologies. The Linking Open Data initiative plays a vital role in the realization of the Semantic Web at a global scale by publishing and interlinking diverse data sources on the Web. The access…

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…

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