Significant R&D efforts and the expertise gained from large-scale research projects allow webLyzard to maintain a leading position in natural language processing, text mining, knowledge extraction including sentiment analysis, visual analytics, and the integration of semantic and geospatial technology.

ePrints LogoRelevance and quality of this work are reflected in more than 160 refereed publications in prestigious international journals and conference proceedings – which can be downloaded from the webLyzard ePrints server, including current articles from 2013 and 2014.

Recent Journal Articles

  • Weichselbraun, A., Gindl, S. and Scharl, A. (2014). “Enriching Semantic Knowledge Bases for Opinion Mining in Big Data Applications”, Knowledge-Based Systems, 69: 78-86.
  • Scharl, A., Hubmann-Haidvogel, A., Sabou, M., Weichselbraun, A. and Lang, H.-P. (2013). “From Web Intelligence to Knowledge Co-Creation – A Platform to Analyze and Support Stakeholder Communication”, IEEE Internet Computing, 17(5): 21-29.
  • Weichselbraun, A., Gindl, S. and Scharl, A. (2013). “Extracting and Grounding Context-Aware Sentiment Lexicons”, IEEE Intelligent Systems, 28(2): 39-46.
  • Wohlgenannt, G., Weichselbraun, A., Scharl, A. and Sabou, M. (2012). “Dynamic Integration of Multiple Evidence Sources for Ontology Learning”, Journal of Information and Data Management, 3(3): 243-254.
  • Syed, K.A.A., Kröll, M., Sabol, V., Scharl, A., Gindl, S., Granitzer, M. and Weichselbraun, A. (2012). “Incremental and Scalable Computation of Dynamic Topography Information Landscapes”, Journal of Multimedia Processing and Technologies, 3(1): 49-65.


  • Scharl, A. and Tochtermann, K., Eds. (2007). The Geospatial Web – How Geobrowsers, Social Software and the Web 2.0 are Shaping the Network Society. London: Springer.
  • Scharl, A., Ed. (2004). Environmental Online Communication. London: Springer.
  • Scharl, A. (2000). Evolutionary Web Development. London: Springer.

Journal Articles | 2006-2010

  • Weichselbraun, A., Gindl, S. and Scharl, A. (2010). “A Context-Dependent Supervised Learning Approach to Sentiment Detection in Large Textual Databases”, Journal of Information and Data Management, 1(3): 329-342.
  • Weichselbraun, A., Wohlgenannt, G. and Scharl, A. (2010). “Refining Non-Taxonomic Relation Labels with External Structured Data to Support Ontology Learning”, Data & Knowledge Engineering, 69(8): 763-778.
  • Hubmann-Haidvogel, A., Scharl, A. und Weichselbraun, A. (2009). “Multiple Coordinated Views for Searching and Navigating Web Content Repositories”, Information Sciences, 179(12): 1813-1821.
  • Pollach, I., Scharl, A. and Weichselbraun, A. (2009). “Web Content Mining for Comparing Corporate and Third-Party Online Reporting: A Case Study on Solid Waste Management”, Business Strategy and the Environment, 18(3): 137-148.
  • Scharl, A. and Weichselbraun, A. (2008): “An Automated Approach to Investigating the Online Media Coverage of US Presidential Elections”, Journal of Information Technology & Politics, 5(1): 121-132.
  • Scharl, A., Dickinger, A. and Weichselbraun, A. (2008): “Analyzing News Media Coverage to Acquire and Structure Tourism Knowledge”, Information Technology and Tourism, 10(1): 3-17.
  • Scharl, A., Weichselbraun, A. and Liu, W. (2007). “Tracking and Modeling Information Diffusion across Interactive Online Media”, International Journal of Metadata, Semantics and Ontologies. 2(2): 136-145.
  • Murphy, J. and Scharl, A. (2007): “An Investigation of Global versus Local Online Branding”, International Marketing Review, 24(3): 297-312.

Journal Articles | 2000-2005

  • Liu, W., Weichselbraun, A., Scharl, A. und Chang, E. (2005). “Semi-Automatic Ontology Extension Using Spreading Activation”, Journal of Universal Knowledge Management. 0(1). 50-58.
  • Scharl, A. and Bauer, C. (2004): „Mining Large Samples of Web-Based Corpora”, Knowledge-Based Systems. 17(5-6). 229-233.
  • Scharl, A., Wöber, K.W. and Bauer, C. (2003): “An Integrated Approach to Measure Web Site Effectiveness in the European Hotel Industry”, Information Technology & Tourism. 6(4). 257-271.
  • Scharl, A. (2001): „Explanation and Exploration: Visualizing the Topology of Web Information Systems“, International Journal of Human-Computer Studies, 55(3). 239-258.
  • Bauer, C. und Scharl, A. (2000): „Quantitative Evaluation of Web Site Content and Structure”, Library Computing, 19 (3/4). 134-146.