Theses

Here you can find theses of Know-Center employees

Aufzeichnung von mobilen Sensordaten

Master's thesis Stefan Edler 2012

  Mobile phone sensing has started as an area of research and development when mobile phones became smartphones due to the different technological improvements. Research in this area, referring to the amount of publications, is growing very fast and it is not restricted to a large research group. Mobile phone…

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…

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…

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…

Building Scalable and Smart Multimedia Applications on the Semantic Web

Dissertation Michael Hausenblas 2008

The Semantic Web has become reality over the past couple of years. While certain practical Topics-such as interoperability, etc.-have at least partially been addressed, scalability and expressivity issues regarding the utilisation of multimedia metadata on the Semantic Web are still widely neglected. However, existing Web (2.0) applications handling millions of…

Magick - Ein Werkzeug für Cross-Media Clustering und Visualisierung

Thesis (old curriculum) Mathias Lux 2004

The high tide of digital information, that that takes course towards us in 21st century, brings along enough motivation for research and developments in the area of information retrieval. The con-junction of different media like TV, radio, Internet, newspapers and telephone leads to a heterogeneous information landscape in which uniform…

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…

Informationstechnologien für Wissensnetzwerke - Werkzeugeinsatz im Kontext von Wissensmanagement

Thesis (old curriculum) Eduard Stoisser 2003

Networks for knowledge creation, knowledge use and knowledge transfer are well known since existence of all forms of human organization. A knowledge network is defined as the deliberate interlinking of knowledge carriers leading to cooperation and common use of knowledge. The role of information technology in this field is currently…

Visualisation Islands: Interactive Visualisation and Clustering of Search Result Sets

Thesis (old curriculum) Vedran Sabol 2001

The amount of knowledge available electronically is increasing exponentially. Huge amounts of information are available over the Internet and searching for a specific topic often results in a large number of matches. A significant portion of hits is often not at all of interest and the retrieved information contains no…

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