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Rahmstorf, G.: Concept structures for large vocabularies (1998)
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- Abstract
- A technology is described which supports the acquisition, visualisation and manipulation of large vocabularies with associated structures. It is used for dictionary production, terminology data bases, thesauri, library classification systems etc. Essential features of the technology are a lexicographic user interface, variable word description, unlimited list of word readings, a concept language, automatic transformations of formulas into graphic structures, structure manipulation operations and retransformation into formulas. The concept language includes notations for undefined concepts. The structure of defined concepts can be constructed interactively. The technology supports the generation of large vocabularies with structures representing word senses. Concept structures and ordering systems for indexing and retrieval can be constructed separately and connected by associating relations.
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- 30.12.2001 19:01:22
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Rahmstorf, G.: ¬A new thesaurus structure for semantic retrieval (1994)
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Rahmstorf, G.: ¬An integrated conceptual representation for words and phrases (1992)
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- Discourse and lexical meaning. Proceedings of a Workshop of the DFG Sonderforschungsbereich 340, Stuttgart, 30.11.-1.12.1992. Ed.: P. Bosch u. P. Gerstl
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Rahmstorf, G.: Semantisches Information Retrieval (1994)
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Rahmstorf, G.: Information retrieval using conceptual representations of phrases (1994)
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- Abstract
- The information retrieval problem is described starting from an analysis of the concepts 'user's information request' and 'information offerings of texts'. It is shown that natural language phrases are a more adequate medium for expressing information requests and information offerings than character string based query and indexing languages complemented by Boolean oprators. The phrases must be represented as concepts to reach a language invariant level for rule based relevance analysis. The special type of representation called advanced thesaurus is used for the semantic representation of natural language phrases and for relevance processing. The analysis of the retrieval problem leads to a symmetric system structure
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Rahmstorf, G.: Wissensorganisation und Wissensvertextung (1995)
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Rahmstorf, G.: Semiotische Aspekte der visuellen Wahrnehmung (1992)
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Rahmstorf, G.: Bedeutungsdefinition und Wortumfeld (1993)
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Rahmstorf, G.: Explication of class descriptions (1982)
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Rahmstorf, G.: Compositional semantics and concept representation (1991)
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- Abstract
- Concept systems are not only used in the sciences, but also in secondary supporting fields, e.g. in libraries, in documentation, in terminology and increasingly also in knowledge representation. It is suggested that the development of concept systems be based on semantic analysis. Methodical steps are described. The principle of morpho-syntactic composition in semantics will serve as a theoretical basis for the suggested method. The implications and limitations of this principle will be demonstrated
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Rahmstorf, G.: Integriertes Management inhaltlicher Datenarten (2001)
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- Abstract
- Inhaltliche Daten sind im Unterschied zu Messdaten, Zahlen, Analogsignalen und anderen Informationen solche Daten, die sich auch sprachlich interpretieren lassen. Sie transportieren Inhalte, die sich benennen lassen. Zu inhaltlichen Daten gehören z. B. Auftragsdaten, Werbetexte, Produktbezeichnungen und Patentklassifikationen. Die meisten Daten, die im Internet kommuniziert werden, sind inhaltliche Daten. Man kann inhaltliche Daten in vier Klassen einordnen: * Wissensdaten - formatierte Daten (Fakten u. a. Daten in strukturierter Form), - nichtformatierte Daten (vorwiegend Texte); * Zugriffsdaten - Benennungsdaten (Wortschatz, Terminologie, Themen u. a.), - Begriffsdaten (Ordnungs- und Bedeutungsstrukturen). In der Wissensorganisation geht es hauptsächlich darum, die unüberschaubare Fülle des Wissens zu ordnen und wiederauffindbar zu machen. Daher befasst sich das Fach nicht nur mit dem Wissen selbst, selbst sondern auch mit den Mitteln, die dazu verwendet werden, das Wissen zu ordnen und auffindbar zu machen
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Rahmstorf, G.: Existenzformen des Wissens (2000)
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- Globalisierung und Wissensorganisation: Neue Aspekte für Wissen, Wissenschaft und Informationssysteme: Proceedings der 6. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation Hamburg, 23.-25.9.1999. Hrsg.: H.P. Ohly, G. Rahmstorf u. A. Sigel
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Rahmstorf, G.: Übersicht über Methoden der Wissensorganisation (2004)
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- Abstract
- Wissensorganisation kann auf verschiedenen Ebenen betrieben werden. Es ist nahe liegend, zunächst von einer höheren Betrachterposition auf das Gebiet zu schauen. Unterscheidbare Einheiten sind dann Bücher, Zeitschriftenaufsätze u.a. Um diese Materialien zu sichten, zu klassifizieren, wieder auffindbar zu machen und benutzerfreundlich bereitzustellen muss man sich mit den Methoden der Bibliothekare und Archivare auseinandersetzen. Mit dem Internet sind Seiten, d. h. meistens wesentlich kleinere Informationseinheiten, Gegenstand der Suche und Bereitstellung. Diese Einheiten sind außerdem meistens nicht mit bibliothekarischen Kategorien (Titel, Autor, Verlag, Erscheinungsjahr u. a.) identifizierbar. In vorliegendem Beitrag werden dann aber noch kleinere Einheiten unter die Lupe genommen: Wörter, Begriffe, Sätze und Propositionen. Es geht damit um die Methoden, die sich mit der Darstellung dieser Mkroeinheiten des Wissens befassen. Ausgangspunkt ist aber eine kritische Einschätzung des Webs als Wissensmedium Sie zeigt die Probleme auf, die mit Methoden der Wissensorganisation bearbeitet werden müssen
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Rahmstorf, G.: Zur Standortbestimmung der Wissensorganisation (2008)
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Rahmstorf, G.: Position und Perspektive der Wissensorganisation (2002)
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Rahmstorf, G.: ¬Die Bedeutung der Sprache in der Wissensorganisation (2008)
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- Abstract
- Wissensorganisation wird auch in Zukunft eine bedeutsame Aufgabe bleiben. Das ist schon dadurch begründet, dass das Wissen der Menschheit durch Forschung, technische Entwicklungen und gesellschaftliche Veränderungen weiter zunehmen wird. Die wissensorganisatorische Tätigkeit wird nicht so sehr im Ausbau bekannter Instrumente -Thesauren, Klassifikationssysteme u. a. - bestehen, sondern sich vorwiegend auf die Fragen konzentrieren, die mit der computertechnischen Darstellung und Nutzung von Wissen zusammenhängen. Die weitere Entwicklung der Wissensorganisation wird begleitet von einer Auseinandersetzung mit dem Phänomen des Wissens. Wissen erscheint als eine komplexe Gegebenheit. Je mehr man sich mit den Methoden zur Gewinnung, Darstellung, Kommunikation und Auswertung von Wissen vertraut macht, desto nachdrücklicher wird dabei die Frage zu stellen sein, was genau das ist, was als Wissen bezeichnet wird, und wo bzw. wie dieses Wissen existieren kann. Dabei muss man sich zuerst von der Vorstellung lösen, dass Wissen eine Gabe ist, die nur dem Menschen zukommt. Eine zukünftige Aufgabe der Wissensorganisation ist es, die verschiedenen Arten von Wissen zu erkennen und zu beschreiben. Dazu mögen die folgenden Hinweise Anregungen geben.
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Rahmstorf, G.: Sprachlicher Ausdruck für spezifische Begriffe (1979)
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Rahmstorf, G.: Sprachlich bestimmte Begriffssysteme und Klassifikation (1982)
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Rahmstorf, G.: Wortmodell und Begriffssprache als Basis des semantischen Retrievals (2000)
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Rahmstorf, G.: Visualisierung : Vom Begriff zum Bild (1998)
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