Publications and Talks
Journal Articles
- 2023). “Integrating Economic Theory, Domain Knowledge and Social Knowledge into Hybrid Sentiment Models for Predicting Crude Oil Markets”. Cognitive Computation [Abstract] [PDF] [BIB] . (
- 2022). “Building Knowledge Graphs and Recommender Systems for Suggesting Reskilling and Upskilling Options from the Web”. Information, 13(11):510 [Abstract] [PDF] [BIB] . (
- 2022). “Automatic Expansion of Domain-Specific Affective Models for Web Intelligence Applications”. Cognitive Computation, 14(1):228-245 [Abstract] [PDF] [BIB] . (
- 2021). “Inscriptis - A Python-based HTML to text conversion library optimized for knowledge extraction from the Web”. Journal of Open Source Software, 6(66):3557 [Abstract] [PDF] [BIB] . (
- 2021). “Adapting Data-Driven Research to the Fields of Social Sciences and the Humanities”. Future Internet, 13(3) [Abstract] [PDF] [BIB] . (
- 2020). “Improving Company Valuations with Automated Knowledge Discovery, Extraction and Fusion”. Information - Wissenschaft und Praxis, 71(5-6):1-5, English translation of the article: “Optimierung von Unternehmensbewertungen durch automatisierte Wissensidentifikation, -extraktion und -integration”. [Abstract] [PDF] [BIB] . (
- 2017). “Aspect-Based Extraction and Analysis of Affective Knowledge from Social Media Streams”. IEEE Intelligent Systems, 32:80-88 [Abstract] [PDF] [BIB] . (
- 2017). “Semantic Systems and Visual Tools to Support Environmental Communication”. IEEE Systems Journal, 11:762-771 [Abstract] [PDF] [BIB] . (
- 2016). “Analyzing the Public Discourse on Works of Fiction - Automatic Emotion Detection in Online Media Coverage about HBO's Game of Thrones”. Information Processing & Management, 52(1):129-138 [Abstract] [PDF] [BIB] . (
- 2015). “Consolidating Heterogeneous Enterprise Data for Named Entity Linking and Web Intelligence”. International Journal on Artificial Intelligence Tools, 24(2) [Abstract] [PDF] [BIB] . (
- 2014). “Enriching Semantic Knowledge Bases for Opinion Mining in Big Data Applications”. Knowledge-Based Systems, 69:78-85 [Abstract] [PDF] [BIB] . (
- 2013). “Extracting and Grounding Context-Aware Sentiment Lexicons”. IEEE Intelligent Systems, 28(2):39-46 [Abstract] [PDF] [BIB] . (
- 2013). “From Web Intelligence to Knowledge Co-Creation - A Platform to Analyze and Support Stakeholder Communication”. IEEE Internet Computing, 17(5):21-29 [Abstract] [PDF] [BIB] . (
- 2012). “Dynamic Integration of Multiple Evidence Sources for Ontology Learning”. Journal of Information and Data Management, 3(3):243-254 [Abstract] [PDF] [BIB] . (
- 2011). “Optimizing Queries to Remote Resources”. Journal of Intelligent Information Systems, 37(2):119-137 [Abstract] [PDF] [BIB] . (
- 2010). “A Context-Dependent Supervised Learning Approach to Sentiment Detection in Large Textual Databases”. Journal of Information and Data Management, 1(3):329-342 [Abstract] [PDF] [BIB] . (
- 2010). “Refining Non-Taxonomic Relation Labels with External Structured Data to Support Ontology Learning”. Data & Knowledge Engineering, 69(8):763-778 [Abstract] [PDF] [BIB] . (
- 2009). “Multiple Coordinated Views for Searching and Navigating Web Content Repositories”. Information Sciences, 179(12):1813-1821 [Abstract] [PDF] [BIB] . (
- 2009). “Distributed Web 2.0 Crawling for Ontology Evolution”. Journal of Digital Information Management, 7(2):114-119 [BIB] . (
- 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 [Abstract] [PDF] [BIB] . (
- 2009). “Discovery and Evaluation of Non-Taxonomic Relations in Domain Ontologies”. International Journal of Metadata, Semantics and Ontologies, 4(3):212-222 [Abstract] [PDF] [BIB] . (
- 2008). “Analyzing News Media Coverage to Acquire and Structure Tourism Knowledge”. Information Technology and Tourism, 10(1):3-17 [Abstract] [PDF] [BIB] . (
- 2008). “An Automated Approach to Investigating the Online Media Coverage of US Presidential Elections”. Journal of Information Technology & Politics, 5(1):121-132 [Abstract] [PDF] [BIB] . (
- 2007). “Tracking and modelling information diffusion across interactive online media”. International Journal of Metadata, Semantics and Ontologies, 2(2):136-145 [Abstract] [PDF] [BIB] . (
- 2007). “National Indicators of Well Being: Lessons from Pacific Island Countries”. Asia Pacific Journal of Tourism Research, 12(3):203-223 [BIB] . (
- 2005). “Semi-Automatic Ontology Extension Using Spreading Activation”. Journal of Universal Knowledge Management, 0(1):50-58 [Abstract] [PDF] [BIB] . (
Conference Proceedings
- 2023). “Large Language Models versus Foundation Models for Assessing the Future-Readiness of Skills”. 17th International Symposium on Information Science (ISI 2023), Chur, Switzerland [Abstract] [BIB] . (
- 2023). “Orbis Annotator: An Open Source Toolkit for the Efficient Annotation and Refinement of Text Corpora”. Proceedings of the 4th Conference on Language, Data and Knowledge (LDK 2023), Vienna, Austria [Abstract] [PDF] [BIB] . (
- 2023). “CrudeBERT: Applying Economic Theory towards Fine-Tuning Transformer-based Sentiment Analysis Models to the Crude Oil Market”. 25th International Conference on Enterprise Information Systems, Prague, Czech Republik [Abstract] [PDF] [BIB] . (
- 2022). “Slot Filling for Extracting Reskilling and Upskilling Options from the Web”. Natural Language Processing and Information Systems (NLDB 2022), Cham [Abstract] [PDF] [BIB] . (
- 2020). “Harvest - An Open Source Toolkit for Extracting Posts and Post Metadata from Web Forums”. 2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT), Melbourne, Australia [Abstract] [PDF] [BIB] . (
- 2020). “In Media Res: A Corpus for Evaluating Named Entity Linking with Creative Works”. 24th Conference on Computational Natural Language Learning (CoNLL 2020) [Abstract] [PDF] [BIB] . (
- 2020). “Classifying News Media Coverage for Corruption Risks Management with Deep Learning and Web Intelligence”. 10th International Conference on Web Intelligence, Mining and Semantics (WIMS 2020), Biarritz, France [Abstract] [PDF] [BIB] . (
- 2019). “Improving Named Entity Linking Corpora Quality”. Recent Advances in Natural Language Processing (RANLP 2019), Varna, Bulgaria [Abstract] [PDF] [BIB] . (
- 2019). “Introducing Orbis: An Extendable Evaluation Pipeline for Named Entity Linking Drill-Down Analysis”. 82nd Annual Meeting of The Association for Information Science (ASIS&T 2019), Melbourne, Australia [Abstract] [PDF] [BIB] . (
- 2019). “Name Variants for Improving Entity Discovery and Linking”. 2nd Conference on Language, Data and Knowledge (LDK 2019), Leipzig, Germany [Abstract] [PDF] [BIB] . (
- 2018). “On the Importance of Drill-Down Analysis for Assessing Gold Standards and Named Entity Linking Performance”. Proceedings of the 14th International Conference on Semantic Systems (SEMANTICS 2018), Vienna, Austria [Abstract] [PDF] [BIB] . (
- 2018). “Framing Named Entity Linking Error Types”. 11th edition of the Language Resources and Evaluation Conference (LREC 2018), Miyazaki, Japan [Abstract] [PDF] [BIB] . (
- 2018). “StoryLens: A Multiple Views Corpus for Location and Event Detection”. 8th International Conference on Web Intelligence, Mining and Semantics (WIMS 2018), Novi Sad, Serbia [Abstract] [PDF] [BIB] . (
- 2018). “Mining and Leveraging Background Knowledge for Improving Named Entity Linking”. 8th International Conference on Web Intelligence, Mining and Semantics (WIMS 2018), Novi Sad, Serbia [Abstract] [PDF] [BIB] . (
- 2017). “Mitigating linked data quality issues in knowledge-intense information extraction methods”. 7th ACM International Conference on Web Intelligence, Mining and Semantics (WIMS 2017), Amantea, Italy [Abstract] [PDF] [BIB] . (
- 2017). “Torpedo: Improving the State-of-the-Art RDF Dataset Slicing”. 11th International Conference on Semantic Computing (ICSC 2017), San Diego, California, USA [Abstract] [PDF] [BIB] . (
- 2016). “Detection of Valid Sentiment-Target Pairs in Online Product Reviews and News Media Coverage”. 2016 IEEE/WIC/ACM International Conference on Web Intelligence (WI-2016), Omaha, Nebraska, USA [Abstract] [PDF] [BIB] . (
- 2016). “A Regional News Corpora for Contextualized Entity Discovery and Linking”. 10th Edition of the Language Resources and Evaluation Conference (LREC-2016), Portorož, Slovenia [Abstract] [PDF] [BIB] . (
- 2016). “Scalable Knowledge Extraction and Visualization for Web Intelligence”. Proceedings of the 49th Hawaii International Conference on System Sciences (HICSS-49), Kauai, Hawaii [Abstract] [PDF] [BIB] . (
- 2016). “Extracting Opinion Targets from Environmental Web Coverage and Social Media Streams”. Proceedings of the 49th Hawaii International Conference on System Sciences (HICSS-49), Kauai, Hawaii [Abstract] [PDF] [BIB] . (
- 2015). “Optimizing Dependency Parsing Throughput”. Proceedings of the 7th International Conference on Knowledge Discovery and Information Retrieval (KDIR 2015), Lisbon, Portugal [Abstract] [PDF] [BIB] . (
- 2014). “Linked Enterprise Data for Fine Grained Named Entity Linking and Web Intelligence”. 4th International Conference on Web Intelligence, Mining and Semantics (WIMS 2014), Thessaloniki, Greece [Abstract] [PDF] [BIB] . (
- 2013). “Knowledge Capture from Multiple Online Sources with the Extensible Web Retrieval Toolkit (eWRT)”. Seventh International Conference on Knowledge Capture (KCAP-2013), Banff, Canada [Abstract] [PDF] [BIB] . (
- 2013). “Rule-based Opinion Target and Aspect Extraction to Acquire Affective Knowledge”. First WWW Workshop on Multidisciplinary Approaches to Big Social Data Analysis (MABSDA 2013), Rio de Janeiro, Brazil [Abstract] [PDF] [BIB] . (
- 2013). “Media Watch on Climate Change - Visual Analytics for Aggregating and Managing Environmental Knowledge from Online Sources”. Proceedings of the 46th Hawaii International Conference on System Sciences (HICSS-46), Maui, Hawaii [Abstract] [PDF] [BIB] . (
- 2012). “Confidence Management for Learning Ontologies from Dynamic Web Sources”. Proceedings of the 4th International Conference on Knowledge Engineering and Ontology Development (KEOD 2012), Barcelona, Spain [Abstract] [PDF] [BIB] . (
- 2012). “Extraction and Interactive Exploration of Knowledge from Aggregated News and Social Media Content”. Fourth ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS-2012), Copenhagen, Denmark [Abstract] [PDF] [BIB] . (
- 2012). “Leveraging the Wisdom of the Crowds for the Acquisition of Multilingual Language Resources”. 8th International Conference on Language Resources and Evaluation (LREC-2012), Istanbul, Turkey [Abstract] [PDF] [BIB] . (
- 2012). “TextSweeper - A System for Content Extraction and Overview Page Detection”. International Conference on Information Resources Management (Conf-IRM), Vienna, Austria [Abstract] [PDF] [BIB] . (
- 2011). “Applying Optimal Stopping Theory to Improve the Performance of Ontology Refinement Methods”. Proceedings of the 44th Hawaii International Conference on System Sciences (HICSS-44), Maui, Hawaii [Abstract] [PDF] [BIB] . (
- 2011). “Using Games with a Purpose and Bootstrapping to Create Domain-Specific Sentiment Lexicons”. Proceedings of the 19th ACM Conference on Information and Knowledge Management (CIKM 2011), Glasgow, Scotland [Abstract] [PDF] [BIB] . (
- 2011). “Scalable Annotation Mechanisms for Digital Content Aggregation and Context-Aware Authoring”. Proceedings of the 10th Brazilian Symposium on Human Factors in Computer Systems & 5th Latin American Conference on Human-Computer Interaction (IHC-CLIHC-2011), Porto de Galinhas, Brazil [Abstract] [PDF] [BIB] . (
- 2010). “Generic High-Throughput Methods for Multilingual Sentiment Detection”. 4th IEEE International Conference on Digital Ecosystems and Technologies, Dubai, United Arab Emirates [Abstract] [PDF] [BIB] . (
- 2010). “Cross-Domain Contextualisation of Sentiment Lexicons”. 19th European Conference on Artificial Intelligence (ECAI), Lisbon, Portugal [Abstract] [PDF] [BIB] . (
- 2010). “Augmenting Lightweight Domain Ontologies with Social Evidence Sources”. 9th International Workshop on Web Semantics, 21st International Conference on Database and Expert Systems Applications (DEXA 2010), Bilbao, Spain [Abstract] [PDF] [BIB] . (
- 2009). “A Utility Centered Approach for Evaluating and Optimizing Geo-Tagging”. First International Conference on Knowledge Discovery and Information Retrieval (KDIR 2009), Madeira, Portugal [Abstract] [PDF] [BIB] . (
- 2009). “Integrating Structural Data into Methods for Labeling Relations in Domain Ontologies”. 8th International Workshop on Web Semantics, 20th International Workshop on Database and Expert Systems Application (DEXA 2009), Linz, Austria [Abstract] [PDF] [BIB] . (
- 2008). “Tightly Coupled Views for Navigating Content Repositories”. 14th Brazilian Symposium on Multimedia and the Web (WebMedia-2008), Vila Velha, Brazil [Abstract] [BIB] . (
- 2008). “Annotating and Visualizing Location Data in Geospatial Web Applications”. Proceedings of the First International Workshop on Location and the Web (LocWeb 2008), Beijing, China [Abstract] [BIB] . (
- 2008). “A Geospatial Web Application for Communicating Climate Change”. 11th International Conference on Geographic Information Science (AGILE-2008), GeoVisualization of Dynamics, Movement and Change Workshop, AGILE Council, Girona, Spain [BIB] . (
- 2008). “Building Tagged Linguistic Unit Databases for Sentiment Detection”. Proceedings of the 8th International Conference on Knowledge Management (I-Know '08), Graz, Austria [Abstract] [PDF] [BIB] . (
- 2008). “A Web-based User Interaction Framework for Collaboratively Building and Validating Ontologies”. 8th Brazilian Symposium on Human Factors in Computer Systems, Porto Alegre, Brazil [Abstract] [PDF] [BIB] . (
- 2008). “Strategies for Optimizing Querying Third Party Resources in Semantic Web Applications”. 3rd International Conference on Software and Data Technologies (ICSOFT-2008), Porto, Portugal [Abstract] [BIB] . (
- 2008). “Capturing and Classifying Ontology Evolution in News Media Archives”. 7th International Workshop on Web Semantics, 19th International Workshop on Database and Expert Systems Application (DEXA 2008), Turin, Italy [Abstract] [PDF] [BIB] . (
- 2007). “Distributed Web2.0 Crawling for Ontology Evolution”. Proceedings of the Second International Conference on Digital Information Management (ICDIM'07), Lyon, France [Abstract] [BIB] . (
- 2007). “Capturing Ontology Evolution Processes by Repeated Sampling of Large Document Collections”. On the Move to Meaningful Internet Systems 2007: CoopIS, DOA, ODBASE, GADA, and IS · OTM Confederated International Conferences, CoopIS, DOA, ODBASE, GADA, and IS 2007, Vilamoura, Portugal [BIB] . (
- 2007). “Applying Vector Space Models to Ontology Link Type Suggestion”. 4th International Conference on Innovations in Information Technology, Dubai, United Arab Emirates [BIB] . (
- 2006). “Accounting for Pacific Island Countries' Tourism”. British Accounting Association Annual Conference (BAA-2006), Portsmouth, UK [BIB] . (
- 2006). “Web Coverage of the 2004 US Presidential Election”. 11th Conference of the European Chapter of the Association for Computational Linguistics (EACL-2006), Trento, Italy [BIB] . (
- 2006). “An Ontology-Based Architecture for Tracking Information across Interactive Electronic Environments”. Proceedings of the 39th Hawaii International Conference on System Sciences (HICSS-39), Kauai, Hawaii [BIB] . (
- 2005). “Where Do You Want to Go Today? A Media Analysis of Global Tourism Destinations”. Proceedings of the 5th International Conference on Knowledge Management (I-KNOW 2005), Graz, Austria [Abstract] [PDF] [BIB] . (
- 2003). “Comparison of four Finite-Volume-Algorithms for the dynamic simulation of natural circulation steam generators”. ARGESIM Report No 24 Vol II, Hrsg. ARGESIM, Vienna, Austria [BIB] . (
Book Chapters
- 2021). “Towards Developing an Integrity Risk Monitor (IRM): A Status Report”. Global Ethics, Compliance & Integrity Yearbook 2021:Peter Lang [BIB] . (
- 2014). “Visualizing Knowledge Along Semantic and Geographic Dimensions – A Web Intelligence Platform to Explore Climate Change Coverage”. Knowledge Cartography, 2nd Edition, Heidelberg:Springer:423-441 [Abstract] [BIB] . (
- 2012). “Dynamic Topography Information Landscapes – An Incremental Approach to Visual Knowledge Discovery”. Proceedings of the 14th International Conference on Data Warehousing and Knowledge Discovery (DaWaK 2012), Heidelberg:Springer-Verlag:352-363 [Abstract] [PDF] [BIB] . (
- 2011). “Evidence Sources, Methods and Use Cases for Learning Lightweight Domain Ontologies”. Ontology Learning and Knowledge Discovery Using the Web: Challenges and Recent Advances:IGI Global:1-15 [Abstract] [PDF] [BIB] . (
- 2010). “Building a Web-Based Knowledge Repository on Climate Change to Support Environmental Communities”. Organizational, Business, and Technological Aspects of the Knowledge Society: 3rd World Summit on the Knowledge Society (WSKS-2010), Proceedings Part II, Heidelberg:Springer:79-84 [Abstract] [PDF] [BIB] . (
- 2009). “An Evaluation Framework and Adaptive Architecture for Automated Sentiment Detection”. Networked Knowledge - Networked Media: Integrating Knowledge Management, New Media Technologies and Semantic Systems, Heidelberg:Springer:217-234 [Abstract] [PDF] [BIB] . (
- 2009). “Applying Optimal Stopping for Optimizing Queries to External Semantic Web Resources”. Software and Data Technologies, Berlin-Heidelberg:Springer:105-118 [Abstract] [PDF] [BIB] . (
- 2008). “Acquisition and Relevance of Geotagged Information in Tourism”. Information and Communication Technologies in Tourism 2008, Proceedings of the International Conference in Innsbruck, Austria, 2008, Vienna-New York:Springer:545-555 [Abstract] [PDF] [BIB] . (
- 2007). “Automated Ontology Learning and Validation Using Hypothesis Testing”. Advances in Intelligent Web Mastering, Berlin-Heidelberg:Springer:130-135 [Abstract] [PDF] [BIB] . (
Authored Book
- 2002). “Ein Vergleich unterschiedlicher Finite-Volumen-Verfahren zur dynamischen Simulation beheizter Rohrnetzwerke”. :VDI-Verlag, Düsseldorf [BIB] . (
German-language publications
- 2023). “Ontologien und Linked Open Data”. Grundlagen der Informationswissenschaft, Berlin:De Gruyter:257-269 [PDF] [BIB] . (
- 2022). “Career Coach - Automatische Wissensextraktion und Expertensystem für personalisierte Re- und Upskilling Vorschläge”. Digitale Transformation an der Fachhochschule Graubünden, Case Studies aus Forschung und Lehre:11-18 [PDF] [BIB] . (
- 2022). “Compliance-Untersuchungen im Zeitalter von Big Data und künstlicher Intelligenz”. Compliance-Berater, 6 [Abstract] [PDF] [BIB] . (
- 2022). “Effzienzsteigerungen bei Compliance-Untersuchungen dank künstlicher Intelligenz (KI)”. comply(3):10-12 [Abstract] [BIB] . (
- 2020). “Optimierung von Unternehmensbewertungen durch automatisierte Wissensidentifikation, -extraktion und -integration”. Information - Wissenschaft und Praxis, 71(5-6):1-5 [Abstract] [PDF] [BIB] . (
- 2015). “Swiss System for Monitoring bibliographic data and Holistic publication behavior analysis (SYMPHONY): Requirement analysis”. , Final report of the project SYMPHONY (142-008) in the swissuniversities program: SUC 2013-2016 P-2: „Scientific information: Access, processing and safeguarding“ Version 1.2 [PDF] [BIB] . (
Doctoral Thesis
- 2004). “Ontologiebasierende Textklassifikation mittels mathematischer Verfahren”, Vienna University of Economics and Business Administration [BIB] . (
Master Thesis
- 2002). “Metadaten im Web”, Vienna University of Economics and Business Administration [BIB] . (
- 2001). “Vergleich unterschiedlicher Finite-Volumen-Verfahren zur numerischen Simulation der Strömung in einem beheizten Rohrnetzwerk”, Vienna University of Technology [BIB] . (
Talks
- 2020). “Deep learning and visual tools for analyzing and monitoring integrity risks”, 5th SwissText & 16th KONVENS Joint Conference 2020 [Abstract] [BIB] . (
- 2019). “Capturing, analyzing and visualizing user generated content from social media”, 27th Conference on Intelligent Systems for Molecular Biology and the 17th European Conference on Computational Biology, Special session on Social media mining for drug discovery research: challenges and opportunities of Real World Text [BIB] . (
- 2019). “MedMon: social media analytics for an healthcare application” [BIB] . (
- 2018). “On the convergence of Artificial Intelligence and Big Data - potential, challenges and impact”, Keynote: Graubünden forscht 2018 [BIB] . (
- 2018). “Optimizing Information Acquisition and Decision Making Processes with Natural Language Processing, Machine Learning & Visual Analytics”, 3rd Swiss Text Analytics Conference, Winterthur, Switzerland [BIB] . (
- 2016). “Chances and Challenges in Text and Data Mining”, IARU Library Meeting in Zurich [BIB] . (
- 2015). “Potential, Methods and Limitations of Text and Data Mining”, Text and Data Mining - Discovery of Knowledge in the Digital Age, Consortium of Swiss Academic Libraries [BIB] . (
- 2015). “Welche Rolle spielt Open Access in der Forschungsevaluation?”, Open-Access-Tage Zürich [BIB] . (
- 2014). “Linked Enterprise Data for Fine Grained Named Entity Linking and Web Intelligence”, 4th International Conference on Web Intelligence, Mining and Semantics (WIMS 2014), Thessaloniki, Greece [BIB] . (
- 2012). “Coping with Evolving Knowledge - Dynamic Domain Ontologies for Web Intelligence”, 11th International Workshop on Web Semantics and Information (WebS 2012) in conjunction with the 23rd International Conference on Database and Expert Systems Applications (DEXA 2012), Invited Speech, Vienna, Austria [BIB] . (
- 2011). “Context Aware Sentiment Detection”, Curtin University, Digital Ecosystems and Business Intelligence Institute, Perth, Australia [BIB] . (
- 2011). “Ontology Learning Based on Text Mining and Social Evidence Sources”, University of Western Australia, School of Computer Science and Software Engineering, Perth, Australia [BIB] . (
- 2011). “Ontology Learning Based on Text Mining and Social Evidence Sources”, University of Western Australia, School of Computer Science and Software Engineering, Perth, Australia [BIB] . (
- 2010). “Augmenting Lightweight Domain Ontologies with Social Evidence Sources”, 9th International Workshop on Web Semantics, 21th International Conference on Database and Expert Systems Application (DEXA 2010), Bilbao, Spain [BIB] . (
- 2009). “A Utility Centered Approach for Evaluating and Optimizing Geo-Tagging”, First International Conference on Knowledge Discovery and Information Retrieval (KDIR 2009), Madeira, Portugal [BIB] . (
- 2008). “Strategies for Optimizing Querying Third Party Resources in Semantic Web Applications”, 3rd International Conference on Software and Data Technologies (ICSOFT-2008), Porto, Portugal [BIB] . (
- 2008). “Capturing and Classifying Ontology Evolution in News Media Archives”, 7th International Workshop on Web Semantics, 19th International Workshop on Database and Expert Systems Application (DEXA 2008), Turin, Italy [BIB] . (
- 2006). “AVALON - Acquisition and VALidation of Ontologies”, International Conference on Knowledge Management (iKnow 2006), Invited Speaker, Graz, Austria [BIB] . (
- 2005). “Semi-Automatic Ontology Extension Using Spreading Activation”, International Conference on Knowledge Management (iKnow 2005), Graz, Austria [BIB] . (
- 2004). “Dynamic, Ontology-Based Text Classification”, Curtin Centre for Extended Enterprises and Business Intelligence, Curtin University, Perth, Australia [BIB] . (
- 2004). “Ontology-Based Text Classification Using Mathematical Methods”, medienKUNSTLABOR, Kunsthaus Graz, Austria [BIB] . (