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Vielseitige maschinelle Suchmöglichkeiten nach Strukturformeln, Teilstrukturen und Stoffklassen (1970)

Meyer, Ernst

Weinheim : Wiley-Blackwell

Zeitschrift für die chemische Industrie 82 (1970), S. 605-611

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ISSN: 0044-8249

Keywords: Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Das Prinzip der topologischen Formelcodierung und maschinellen Recherche wird kurz erläutert. Durch den Ausbau dieser Methode ist es jetzt möglich geworden, nicht nur nach beliebigen Teilen von Strukturformeln maschinell und ballastfrei zu suchen, sondern dabei auch Fragebedingungen an die Strukturformel zu stellen, die zwar wohldefiniert sind und vom Chemiker gern benutzt werden, sich aber nicht ausschließlich durch Elementsymbole und Bindungsstriche darstellen lassen.

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ange.19700821506

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Versatile Computer Techniques for Searching by Structural Formulas, Partial Structures, and Classes of CompoundsThe work was supported in part by the IDC Internationale Dokumentationsgesellschaft für Chemie mbH, Frankfurt. (1970)

Meyer, Ernst

Weinheim : Wiley-Blackwell

Angewandte Chemie International Edition in English 9 (1970), S. 583-589

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ISSN: 0570-0833

Keywords: Documentation ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The principles of the topological encoding of formulas and machine searching are briefly described. These methods have been developed to the point where it is now possible to carry out a computer search for a given structural fragment without the risk of false drops. It is also possible to carry out searches whose requirements, while well-defined and readily used by chemists, cannot be represented exclusively by element symbols and chemical bonds.

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/anie.197005831

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