Document (#28488)

Author
Diedrich, H.
Title
Wissensvernetzung : Chancen neuer Prozesse
Source
¬Die Google-Gesellschaft: Vom digitalen Wandel des Wissens. Hrsg.: K. Lehmann, M. Schetsche
Imprint
Transcript-Verlag : Bielefeld
Year
2005
Pages
S.83-88
Abstract
Wer Informationen sucht, wird im Internet meist irgendwie fündig. Dennoch erweist sich eine zielgerichtete »intelligente« Suche nach konkreten Informationen und ihre Verknüpfung trotz der immer raffinierteren Suchmechanismen von Google & Co. als schwierig. Hoffnung verbreitet derzeit die Idee vom semantischen Web. Das »einzige Bedeutungsnetz von allem und jedem« (WWW-Erfinder Tim Bernes-Lee) wird als universelle Weiterentwicklung des World Wide Web gehandelt. Das Bundesministerium für Bildung und Forschung will deshalb bis 2006 insgesamt 13,7 Millionen Euro in die Förderung dieser Technologie stecken. Bis dahin wollen die Projektpartner eine erste Anwendung der neuen Technologie präsentieren: Das »Smart Web« soll Service-Informationen zu den einzelnen Spielen der Fußballweltmeisterschaft liefern und auch Reiseanfragen beantworten können. Im semantischen Web wird allen möglichen Dingen - also beispielsweise Texten, Bildern, Musik und Videos - eine Bedeutung zugewiesen. Diese Angaben werden als Metadaten bezeichnet, als Informationen über Informationen. Der Vorteil: Das durch die Verknüpfung dieser Daten entstehende Netz aus Bedeutungen ist für Software »lesbar«, so dass nicht nur die »Dinge« sondern auch ihre Zusammenhänge untereinander von Algorithmen ausgewertet und verstanden werden können. Das semantische Web überführt das WWW von einem »Netz von Dokumenten« in ein »Netz von Informationen«. So bekommen fünfstellige Zahlen z.B. die Zuweisung »Postleitzahl«, wenn sie eine solche sind. Und das Wort »Kohl« würde ggf. in die Kategorie »Gemüse« fallen. Suchmaschinen würden so Informationen »verstehen« und wie das menschliche Gehirn assoziative Querverbindungen zwischen unterschiedlichen Dokumenten herstellen. Entsprechend könnten sie eine Frage wie: »Wer war 2004 deutscher Bundeskanzler?« mit »Gerhard Schröder« beantworten und Links mit weiteren Informationen zur Person des Bundeskanzlers (und nicht einer anderen Person gleichen Namens) angeben. Das Internet würde so zu dem globalen Gehirn, über das schon Visionäre wie H.G. Wells philosophierten, und wäre mehr als nur die Summe seiner Daten.
Theme
Internet
Field
Kommunikationswissenschaften

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