Search (54 results, page 2 of 3)

  • × theme_ss:"Wissensrepräsentation"
  • × year_i:[2000 TO 2010}
  1. Broughton, V.: Facet analysis as a fundamental theory for structuring subject organization tools (2007) 0.01 
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    Date
    26.12.2011 13:21:29
  2. Mustafa El Hadi, W.: Terminologies, ontologies and information access (2006) 0.01 
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    Date
    29. 2.2008 16:25:23
  3. Schubert, C.; Kinkeldey, C.; Reich, H.: Handbuch Datenbankanwendung zur Wissensrepräsentation im Verbundprojekt DeCOVER (2006) 0.01 
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    Date
    29. 1.2011 18:45:23
  4. Synak, M.; Dabrowski, M.; Kruk, S.R.: Semantic Web and ontologies (2009) 0.01 
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    Date
    31. 7.2010 16:58:22
  5. OWL Web Ontology Language Test Cases (2004) 0.01 
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    Date
    14. 8.2011 13:33:22
  6. Semantic Media Wiki : Autoren sollen Wiki-Inhalte erschließen (2006) 0.00 
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    Content
    "Mit einer semantischen Erweiterung der Software MediaWiki ist es dem Forschungsteam Wissensmanagement des Instituts für Angewandte Informatik und Formale Beschreibungsverfahren (AIFB) der Universität Karlsruhe (TH) gelungen, das Interesse der internationalen Fachwelt auf sich zu ziehen. Die jungen Forscher Denny Vrandecic und Markus Krötzsch aus dem Team von Professor Dr. Rudi Studer machen die Inhalte von Websites, die mit MediaWiki geschrieben sind, für Maschinen besser auswertbar. Ihr Konzept zur besseren Erschließung der Inhalte geht allerdings nur auf, wenn die Wiki-Autoren aktiv mitarbeiten. Die Karlsruher Forscher setzen auf eine Kombination aus sozialer und technischer Lösung: Sie hoffen, dass sich auf der Basis ihrer Wiki-PlugIn-Software "Semantic MediaWiki" eine Art kollektive Indexierung der Wiki-Artikel durch die Autoren entwickelt - und ernten für diese Idee viel Beifall. Semantic MediaWiki wird bereits auf mehreren Websites mit begrenztem Datenvolumen erfolgreich eingesetzt, unter anderen zur Erschließung der Bibel-Inhalte (URLs siehe Kasten). Nun testen die Karlsruher Forscher, ob ihr Programm auch den gigantischen Volumenanforderungen der freien Web-Enzyklopädie Wikipedia gewachsen ist. Die Wikimedia Foundation Inc., Betreiber von Wikipedia, stellt ihnen für den Test rund 50 Gigabyte Inhalt der englischen Wikipedia-Ausgabe zur Verfügung und hat Interesse an einer Zusammenarbeit signalisiert. Semantic MediaWiki steht als Open Source Software (PHP) auf der Website Sourceforge zur Verfügung. Semantic MediaWiki ist ein relativ einfach zu bedienendes Werkzeug, welches auf leistungsstarken semantischen Wissensmanagement-Technologien aufbaut. Die Autoren können mit dem Werkzeug die Querverweise (Links), die sie in ihrem Text als Weiterleitung zu Hintergrundinformationen angeben, bei der Eingabe als Link eines bestimmten Typs kennzeichnen (typed links) und Zahlenangaben und Fakten im Text als Attribute (attributes) markieren. Bei dem Eintrag zu "Ägypten" steht dann zum Bespiel der typisierte Link "[[ist Land von::Afrika]]" / "[[is country of::africa]]", ein Attribut könnte "[[Bevölkerung:=76,000,000]]" / "[[population:=76,000,000]]" sein. Die von den Autoren erzeugten, typisierten Links werden in einer Datenbank als Dreier-Bezugsgruppen (Triple) abgelegt; die gekennzeichneten Attribute als feststehende Werte gespeichert. Die Autoren können die Relationen zur Definition der Beziehungen zwischen den verlinkten Begriffen frei wählen, z.B. "ist ...von' / "is...of", "hat..." /"has ...". Eingeführte Relationen stehen als "bisher genutzte Relationen" den anderen Schreibern für deren Textindexierung zur Verfügung.
  7. Best Practice Recipes for Publishing RDF Vocabularies (2008) 0.00 
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    Date
    14. 8.2011 14:29:06
  8. Assem, M. van; Menken, M.R.; Schreiber, G.; Wielemaker, J.; Wielinga, B.: ¬A method for converting thesauri to RDF/OWL (2004) 0.00 
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    Date
    29. 7.2011 14:44:56
  9. Knorz, G.; Rein, B.: Semantische Suche in einer Hochschulontologie (2005) 0.00 
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    Date
    11. 2.2011 18:22:58
  10. Knorz, G.; Rein, B.: Semantische Suche in einer Hochschulontologie : Ontologie-basiertes Information-Filtering und -Retrieval mit relationalen Datenbanken (2005) 0.00 
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    Date
    11. 2.2011 18:22:25
  11. Moustafid, Y. El: Semantic Web Techniken für E-Learning (2003) 0.00 
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    Content
    Diplomarbeit, Fachbereich Informatik, AG Integrierte Kommunikationssysteme der Universität Kaiserslautern
  12. Schmitz-Esser, W.; Sigel, A.: Introducing terminology-based ontologies : Papers and Materials presented by the authors at the workshop "Introducing Terminology-based Ontologies" (Poli/Schmitz-Esser/Sigel) at the 9th International Conference of the International Society for Knowledge Organization (ISKO), Vienna, Austria, July 6th, 2006 (2006) 0.00 
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    Date
    17. 7.2006 12:29:55
  13. Hüsken, P.: Informationssuche im Semantic Web : Methoden des Information Retrieval für die Wissensrepräsentation (2006) 0.00 
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    Date
    12. 2.2011 17:29:27
  14. Wielinga, B.; Wielemaker, J.; Schreiber, G.; Assem, M. van: Methods for porting resources to the Semantic Web (2004) 0.00 
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    Date
    29. 7.2011 14:44:56
  15. Assem, M. van; Gangemi, A.; Schreiber, G.: Conversion of WordNet to a standard RDF/OWL representation (2006) 0.00 
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    29. 7.2011 14:44:56
  16. Assem, M. van; Malaisé, V.; Miles, A.; Schreiber, G.: ¬A method to convert thesauri to SKOS (2006) 0.00 
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    Date
    29. 7.2011 14:44:56
  17. Hollink, L.; Assem, M. van; Wang, S.; Isaac, A.; Schreiber, G.: Two variations on ontology alignment evaluation : methodological issues (2008) 0.00 
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    29. 7.2011 14:44:56
  18. Schreiber, G.; Amin, A.; Assem, M. van; Boer, V. de; Hardman, L.; Hildebrand, M.; Omelayenko, B.; Ossenbruggen, J. van; Wielemaker, J.; Wielinga, B.; Tordai, A.; Aroyoa, L.: Semantic annotation and search of cultural-heritage collections : the MultimediaN E-Culture demonstrator (2008) 0.00 
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    29. 7.2011 14:44:56
  19. Schreiber, G.; Amin, A.; Assem, M. van; Boer, V. de; Hardman, L.; Hildebrand, M.; Hollink, L.; Huang, Z.; Kersen, J. van; Niet, M. de; Omelayenko, B.; Ossenbruggen, J. van; Siebes, R.; Taekema, J.; Wielemaker, J.; Wielinga, B.: MultimediaN E-Culture demonstrator (2006) 0.00 
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    Date
    29. 7.2011 14:44:56
  20. Vallet, D.; Fernández, M.; Castells, P.: ¬An ontology-based information retrieval model (2005) 0.00 
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    Source
    The Semantic Web: research and applications ; second European Semantic WebConference, ESWC 2005, Heraklion, Crete, Greece, May 29 - June 1, 2005 ; proceedings. Eds.: A. Gómez-Pérez u. J. Euzenat

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