BibSonomy publications for /concept/tag/aifbThu Mar 20 21:14:41 CET 2008Workshop Enterprise Modelling and Ontology: Ingredients for InteroperabilitySimilarity for Ontologies - a Comprehensive Framework: workshop paperDecember 2004AIFB In this paper we present a comprehensive framework for measuring similarity within and between ontologies as a basis for the collaboration across various application fields. In order to define such a framework, we base our work on an abstract ontology model that allows to adhere to various existing and evolving ontology standards. The main characteristics of the framework is its layered structure: We have defined three levels on which the similarity between two entities (concepts or instances) can be measured: data layer, ontology layer, and context layer, that cope with the data representation, ontology meaning and the usage of these entities, respectively. In addition, in each of the layers corresponding background information is used in order to define the similarity more precisely. The framework is complete in the sense of covering the similarity between all elements defined in the abstract ontology model by comprising similarity measures for all above-named layers as well as relations between them. Moreover, we have validated our framework with several practical case studies in order to prove benefits of applying our approach compared to traditional similarity measures. One of these case studies is described in detail within the paper.Tue Mar 11 13:31:25 CET 2008Berlin--Heidelberg, GermanyOriginally published as PhD Thesis, 2006, Universität Karlsruhe (TH), Karlsruhe, Germany.Ontology Learning and Population from Text --- Algorithms, Evaluation and Applications2006aifb ontology-learning thesis text-mining Sun Feb 25 20:06:58 CET 2007Dot. Kom Deliverable D 3-3Sep{IE} {E}valuation {S}trategy 2003NT2OD 2003 AIFB nlp This deliverable defines the evaluation strategies for the Information Extraction tools that are under development within the Dot.Kom project.Wed Nov 22 10:48:40 CET 2006Murcia, SpainProceedings of IADIS International Conference on WWW/InternetOCTSemVersion: An RDF-based Ontology Versioning System200610 lang:en maxvoelkel 2006 from:xamde nepomuk wp1 xamde fzi aifb Wed Nov 22 10:48:40 CET 2006Murcia, SpainProceedings of IADIS International Conference on WWW/InternetOCTSemVersion: An RDF-based Ontology Versioning System2006fzi nepomuk wp1 xamde aifb 2006 10 maxvoelkel for:nepomuk lang:en Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsJUN1iMapping Wiks - Towards a Graphical Environment for Semantic Knowledge Management12006lang:en 06 2006 wp1 aifb xamde maxvoelkel from:xamde nepomuk fzi Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsJUN1iMapping Wiks - Towards a Graphical Environment for Semantic Knowledge Management12006nepomuk fzi 2006 wp1 aifb xamde 06 maxvoelkel lang:en for:nepomuk Wed Nov 22 10:48:40 CET 2006Proceedings of the 6th International Conference on Knowledge Management (I-KNOW 06), Graz, Austria, September 6-8, 2006SEPTagFS - Tag Semantics for Hierarchical File Systems2006semfs fzi nepomuk wp1 aifb from:xamde tagfs 2006 xamde 09 lang:en maxvoelkel Wed Nov 22 10:48:40 CET 2006Proceedings of the 6th International Conference on Knowledge Management (I-KNOW 06), Graz, Austria, September 6-8, 2006SEPTagFS - Tag Semantics for Hierarchical File Systems2006fzi for:nepomuk nepomuk aifb semfs tagfs xamde wp1 lang:en 2006 09 maxvoelkel Wed Nov 22 10:48:40 CET 2006Poster and Demo at the ESWC2006JUNSemantic Wikipedia (ESWC2006 demo)2006aifb wp1 fzi maxvoelkel nepomuk xamde 2006 from:xamde lang:en 06 Wed Nov 22 10:48:40 CET 2006Poster and Demo at the ESWC2006JUNSemantic Wikipedia (ESWC2006 demo)2006for:nepomuk lang:en maxvoelkel nepomuk 06 fzi xamde 2006 wp1 aifb Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsJUNAnnotation and Navigation in Semantic Wikis20062006 fzi xamde wp1 lang:en nepomuk from:xamde 06 aifb maxvoelkel Semantic Wikis allow users to semantically annotate their Wiki content. The particular annotations can differ in expressive power, simplicity, and meaning. We present an elaborate conceptual model for semantic annotations, introduce a unique and rich Wiki syntax for these annotations, and discuss how to best formally represent the augmented Wiki content. We improve existing navigation techniques to automatically construct faceted browsing for semistructured data. By utilising the Wiki annotations we provide greatly enhanced information retrieval. Further we report on our ongoing development of these techniques in our prototype SemperWiki.Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsJUNAnnotation and Navigation in Semantic Wikis2006nepomuk aifb for:nepomuk 06 fzi maxvoelkel xamde 2006 wp1 lang:en Semantic Wikis allow users to semantically annotate their Wiki content. The particular annotations can differ in expressive power, simplicity, and meaning. We present an elaborate conceptual model for semantic annotations, introduce a unique and rich Wiki syntax for these annotations, and discuss how to best formally represent the augmented Wiki content. We improve existing navigation techniques to automatically construct faceted browsing for semistructured data. By utilising the Wiki annotations we provide greatly enhanced information retrieval. Further we report on our ongoing development of these techniques in our prototype SemperWiki.Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsTowards a Wiki Interchange Format (WIF)2006lang:en aifb fzi 06 2006 from:xamde maxvoelkel wp1 xamde nepomuk Wed Nov 22 10:48:40 CET 2006Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsTowards a Wiki Interchange Format (WIF)200606 fzi xamde nepomuk maxvoelkel 2006 lang:en aifb wp1 for:nepomuk Wed Nov 22 10:48:40 CET 2006Proceedings of Wikimania 2005 - The First International Wikimedia ConferenceJULWikipedia and the Semantic Web - The Missing Links2005xamde fzi nepomuk lang:en aifb wp1 maxvoelkel 2005 from:xamde Wed Nov 22 10:48:40 CET 2006Proceedings of Wikimania 2005 - The First International Wikimedia ConferenceJULWikipedia and the Semantic Web - The Missing Links2005xamde lang:en fzi wp1 aifb for:nepomuk 2005 nepomuk maxvoelkel Wed Nov 22 10:48:40 CET 2006Database and Expert Systems ApplicationsSEP509-518Semantic Wikis for Personal Knowledge Management4080/20062006aifb maxvoelkel fzi nepomuk 2006 xamde 09 from:xamde lang:en wp1 Wed Nov 22 10:48:40 CET 2006Database and Expert Systems ApplicationsSEP509-518Semantic Wikis for Personal Knowledge Management4080/20062006nepomuk aifb fzi xamde for:nepomuk wp1 maxvoelkel 2006 lang:en 09 Wed Nov 22 10:48:40 CET 2006In Proceedings of the 2006 International Symposium on Wikis. AUG137-138Semantic Wikipedia2006nepomuk xamde fzi 2006 wp1 from:xamde maxvoelkel lang:en 08 aifb