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Fraunhofer Institut für Integrierte Publikations-und Informationssysteme IPSI
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PublicationConWeaver - Automatisierte Wissensnetze für die semantische Suche( 2006)
;Dirsch-Weigand, A. ;Schmidt, I. ;Rein, B. ;Stenzel, R.Kamps, T. -
PublicationConWeaver - automatisierte Wissensnetze für die semantische Suche( 2006)
;Dirsch-Weigand, A.Schmidt, I.Google has become the embodiment of a search engine. But information professionals are aware that full text search engines like Google reveal evident deficiencies and are often not the best solution for efficient information search in technical information portals, intranets and enterprise content management systems. Pull text search engines are glued to the exact wording of a search phrase. On the one hand, they don't find information with different wording but same content because they don't recognize alternative denominations, phrasing or foreign-language translations to be synonym to the original wording. On the other hand, search results are not precise because full text search engines don't make a difference between homonymic but semantically different words. The semantic search engine Con-Weaver has been developed by the Fraunhofer Integrated Publication and Information Institute (Fraunhofer IPSI) at Darmstadt to address this problem. Con Weaver search solutions use a semantic network as search index instead of a full text index. Unlike most other ontology-based software products Con Weaver generates this semantic network in an automated information extraction process. -
PublicationQueries in context: Access to digitized historic documents in a collaboratory for the humanities( 2005)
;Thiel, U. ;Brocks, H. ;Dirsch-Weigand, A. ;Everts, A. ;Frommholz, I.Stein, A.In contrast to standard digital libraries, systems addressing the specific requirements of cultural heritage need to deal with digitized material like scanned documents instead of home digital items. Such systems aim at providing the means for domain experts, e.g. historians, to collaboratively work with the given material. To support their work, automatic indexing mechanisms for both textual and pictorial digitized documents need to be combined with retrieval methods exploiting the content as well as the context of information items for precise searches. In the COLLATE project we devised several access methods using textual contents, feature extraction from images, metadata, and annotations provided by the users. -
PublicationLangzeitarchivierung: Methoden zur Erhaltung digitaler Dokumente (Buchbesprechung)( 2004)
;Schmidt, I.Dirsch-Weigand, A. -
PublicationCOLLATE - A collaboratory supporting research on historic European films( 2004)
;Thiel, U. ;Brocks, H. ;Frommholz, I. ;Dirsch-Weigand, A. ;Keiper, J. ;Stein, A.Neuhold, E.J. -
PublicationEntwicklung und Integration von Ontologien zur Ausarbeitung von historischen Dokumenten( 2002)Dirsch-Weigand, A.
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PublicationHow to incorporate collaborative discourse in cultural digital libraries( 2002)
;Brocks, H. ;Stein, A. ;Frommholz, I. ;Thiel, U.Dirsch-Weigand, A. -
PublicationCustomizable Retrieval Functions Based on User Tasks in the Cultural Heritage Domain( 2001)
;Brocks, H. ;Thiel, U. ;Stein, A.Dirsch-Weigand, A. -
PublicationCOLLATE - A web-based collaboratory for content-based access to and work with digitized cultural material( 2001)
;Keiper, J. ;Brocks, H. ;Dirsch-Weigand, A. ;Stein, A.Thiel, U. -
PublicationCOLLATE - Historische Filmforschung in einem verteilten Annotationssystem im WWW( 2001)
;Brocks, H. ;Dirsch-Weigand, A. ;Keiper, J. ;Stein, A.Thiel, U.