Publikationen

Hier finden Sie von Know-Center MitarbeiterInnen verfasste wissenschaftliche Publikationen

2015

Rauch Manuela, Klieber Hans-Werner, Wozelka Ralph, Singh Santokh, Sabol Vedran

Knowminer Search - a Multi-Visualisation Collaborative Approach to Search Result Analysis

Proceedings of the 19th International Conference on Information Visualisation (IV2015), 2015

Konferenz
The amount of information available on the internet and within enterprises has reached an incredible dimension.Efficiently finding and understanding information and thereby saving resources remains one of the major challenges in our daily work. Powerful text analysis methods, a scalable faceted retrieval engine and a well-designed interactive user interface are required to address the problem. Besides providing means for drilling-down to the relevant piece of information, a part of the challenge arises from the need of analysing and visualising data to discover relationships and correlations, gain an overview of data distributions and unveil trends. Visual interfaces leverage the enormous bandwidth of the human visual system to support pattern discovery in large amounts of data. Our Knowminer search builds upon the well-known faceted search approach which is extended with interactive visualisations allowing users to analyse different aspects of the result set. Additionally, our system provides functionality for organising interesting search results into portfolios, and also supports social features for rating and boosting search results and for sharing and annotating portfolios.
2010

Klieber Hans-Werner, Granitzer Michael, Gaisbauer M.

Semantically enhanced Software Documentation Processes

Serdica Journal of Computing, 2010

Journal
High-quality software documentation is a substantial issue forunderstanding software systems. Shorter time-to-market software cycles increasethe importance of automatism for keeping the documentation up todate. In this paper, we describe the automatic support of the software documentationprocess using semantic technologies. We introduce a softwaredocumentation ontology as an underlying knowledge base. The defined ontologyis populated automatically by analysing source code, software documentationand code execution. Through selected results we demonstratethat the use of such semantic systems can support software documentationprocesses efficiently.
2009

Klieber Hans-Werner, Sabol Vedran, Granitzer Michael, Muhr M.

Using Ontologies For Software Documentation

Malaysian Joint Conference on Artificial Intelligence 2009, 2009

Konferenz
2009

Sabol Vedran, Kienreich Wolfgang, Klieber Hans-Werner, Granitzer Michael, Muhr M.

Visual Knowledge Discovery in Dynamic Enterprise Text Repositories

Proceedings of the 13th International Conference on Information Visualisation (IV09), IEEE Computer Society, 2009

Konferenz
2009

Klieber Hans-Werner, Sabol Vedran, Kern Roman, Granitzer Michael, Muhr M., Ättl G.

Knowledge Discovery Using the Knowminer Framework

IADIS International Conference Information Systems 2009, 2009

Konferenz
2007

Sabol Vedran, Gütl Christian, Neidhart T., Juffinger A., Klieber Hans-Werner, Granitzer Michael

Visualization Metaphors for Multi-modal Meeting

Workshop Multimedia Semantics - The Role of Metadata (WMSRM 07), Proceedings Band "Aachener Informatik Berichte", Aachen, 2007

Konferenz
The MISTRAL system, a service oriented architecture for semanticextraction of multimedia data from meeting recordings is described shortly. Itimproves on other similar systems by extracting a variety of semantic metadatafrom one media type and integrating it with concepts derived from other mediatypes, as well as by adding inference capabilities to resolve ambiguities and furtherenrich extracted data. On top of this state-of-the-art extraction functionality anumber of semantic-based, cross-modal visual applications for exploration andretrieval of extraction results were developed. Three selected applications,implemented upon the MISTRAL’s semantic application architecture, arepresented and described into detail in this paper.
2007

Moedritscher F., Hoffmann R., Klieber Hans-Werner

Integration and Semantic Enrichment of Explicit Knowledge through a Multimedia, Multi-source, Metadata-based Knowledge Artefact Repository

Triple-I 2007, J.UCS, 2007

Journal
2006

Lux M., Klieber Hans-Werner, Granitzer Michael

On the Complexity of Annotation with the High Level Metadata

Journal of Universal Knowledge Management, Graz, 2006

Journal
2006

Kienreich Wolfgang, Granitzer Michael, Sabol Vedran, Klieber Hans-Werner

Plagiarism Detection in Large Sets of Press Agency News Articles

TAKMA Workshop Procceedings of 17th International Conference on Database and Expert Systems Applications (DEXA 06), IEEE Computer Society, Krakaw, Polen, 2006

Konferenz
2006

Granitzer Michael, Sabol Vedran, Klieber Hans-Werner

MISTRAL: Service Orientierte Cross-Media Techniken zur Extraktion von Semantic aus multimedia Daten und Deren Anwendung

Inproceedings of Semantics 2005, Vienna, Trauner Verlag, 2006

Konferenz
2006

Klieber Hans-Werner, Sabol Vedran, Granitzer Michael, Kienreich Wolfgang, Kern Roman

KnowMiner - Ein Service orientiertes Knowledge Discovery Framework

GI-Edition 2006, Bonner Köllen Verlag, 2006

Konferenz
2005

Kienreich Wolfgang, Sabol Vedran, Granitzer Michael, Klieber Hans-Werner, Lux M., Sarka W.

A Visual Query Interface for a Very Large Newspaper Article Repository

Procceedings of 16th International Conference on Database and Expert Systems Applications (DEXA 05), IEEE Computer Society, Copenhagen, Denmark, 2005

Konferenz
2005

Kienreich Wolfgang, Granitzer Michael, Sabol Vedran, Klieber Hans-Werner, Lux M., Sarka W.

Visual Analysis of Search Results Obtained from Very Large Newspaper Article Repository

Proceedings of ISGI 2005, CODATA International Symposium on Generalization of Information, Berlin, Germany, 2005

Konferenz
2004

Bailer Werner, Mayer H., Neuschmied H., Haas W., Lux M., Klieber Hans-Werner

Content-based Video Retrieval and Summarization using MPEG-7

Proceedings of Electronic Imaging 2004, Internet Imaging V, San Jose, CA, USA, 2004

Konferenz
Retrieval in current multimedia databases is usually limited to browsing and searching based on low-level visual features and explicit textual descriptors. Semantic aspects of visual information are mainly described in full text attributes or mapped onto specialized, application specific description schemes. Result lists of queries are commonly represented by textual descriptions and single key frames. This approach is valid for text documents and images, but is often insufficient to represent video content in a meaningful way. In this paper we present a multimedia retrieval framework focusing on video objects, which fully relies on the MPEG-7 standard as information base. It provides a content-based retrieval interface which uses hierarchical content-based video summaries to allow for quick viewing and browsing through search results even on bandwidth limited Web applications. Additionally semantic meaning about video content can be annotated based on domain specific ontologies, enabling a more targeted search for content. Our experiences and results with these techniques will be discussed in this paper.
2004

Lux M., Granitzer Michael, Kienreich Wolfgang, Sabol Vedran, Klieber Hans-Werner, Sarka W.

Cross Media Retrieval in Knowledge Discovery

Lecture Notes in Computer Science, Springer, Vienna, Austria, 2004

Konferenz
2004

Lux M., Klieber Hans-Werner, Granitzer Michael

Caliph & Emir: Semantics in Multimedia Retrieval and Annotation

19th CODATA Conference, Berlin, Berlin, 2004

Konferenz
2003

Klieber Hans-Werner, Lux M., Mayer H., Neuschmied H., Haas W.

IMB - Ein XML-basiertes Retrievalframework für digitales Audio und Video

Proceedings der Berliner XML-Tage, Berlin, Germany, 2003

Konferenz
2002

Lux M., Klieber Hans-Werner, Becker J., Mayer H., Neuschmied H., Haas W.

XML and MPEG-7 for Interactive Annotation and Retrieval Using Semantic Meta-data

IICM, JUCS online, Graz, Austria, 2002

Journal
The evolution of the Web is not only accompanied by an increasing diversity of multimedia but by new requirements towards intelligent research capabilities, user specific assistance, intuitive user interfaces and platform independent information presentation. To reach these and further upcoming requirements new standardized Web technologies and XML based description languages are used. The Web Information Space has transformed into a Knowledge marketplace where worldwide located participants take part into the creation, annotation and consumption of knowledge. This paper points out the design of semantic retrieval frameworks and a prototype implementation for audio and video annotation, storage and retrieval using the MPEG-7 standard and semantic web reference implementations. MPEG-7 plays an important role towards the standardized enrichment of multimedia with semantics on higher abstraction levels and a related improvement of query results.
2002

Lux M., Klieber Hans-Werner, Becker J., Mayer H., Neuschmied H., Haas W.

XML and MPEG-7 for Interactive Annotation and Retrieval Using Semantic Metadata

Journal of Computer Science (www.jucs.org), Springer-Verlag, 2002

Journal
2002

Becker J., Lux M., Klieber Hans-Werner, Sabol Vedran, Kienreich Wolfgang

Knowledge Discovery Space

to be Published in TELEMATIK 03/2002, Telematik Ingenieur Verband, Graz, Austria, 2002

Journal
2002

Becker J., Lux M., Klieber Hans-Werner

Intelligente Multimedia Bibliothek

to be Published in TELEMATIK 03/2002, Telematik Ingenieur Verband, Graz, Austria, 2002

Journal
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