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  • × year_i:[1960 TO 1970}
  1. Stamm, E.: Mehrdimensionale Literaturerschließung : ein kritischer Vergelich der Sachkatalogisierungs-prinzipien S.R. Ranganathans, der englischen CRG und M. Taubes (1961) 0.01 
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  2. Merrill, W.S.: Code for classifiers : principles governing the consistent placing of books in a system of classification (1969) 0.01 
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  3. Stevens, N.D.: ¬A comparative study of three systems of information retrieval (1961) 0.01 
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  4. Jonker, F.: Indexing theory, indexing methods, and search devices (1964) 0.01 
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  5. Foskett, D.J.: Classification and indexing in the social sciences (1963) 0.01 
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  6. Srivastava, A.P.: Theory of knowledge classification in libraries (1964) 0.01 
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  7. Bertalanffy, L. von: General system theory : foundations, development, applications (1969) 0.01 
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  8. Juntke, F.: ¬Die Katalogreform der ULB zu Halle an der Saale durch Otto Hartwig (1967) 0.01 
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  9. Wittenberg, A.I.: Vom Denken in Begriffen : Mathematik als Experiment des reinen Denkens (1968) 0.01 
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  10. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01 
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    Source
    Journal of documentation. 22(1966), S.203-209
  11. Soergel, D.: Mathematical analysis of documentation systems : an attempt to a theory of classification and search request formulation (1967) 0.01 
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    Abstract
    As an attempt to make a general structural theory of information retrieval, a documentation system (DS) is defined as a formal system consisting of (a) a set o of objects (documents); (b) a set A++ of elementary attributes (key-words), from which further attributes may be constructed: A++ generates A; (c) a set of axioms of the form X++(x)=m (m¯M, M a set of constant connecting attributes with objects: from the axioms further theorems (=true statements) may be constructed. By use of the theorems, different mappings O -> P(o) (P(o) set of all subsets of o) (search question -> set of documents retrieved) are defined. The type of a DS depends on two basic decisions: (1) choice of the rules for the construction of attributes and theorems, e.g., logical product in coordinate indexing; links. (2) choice of M; M may consist of the two constants 'applicable' and 'not applicable', or some positive integers, ...; Further practical decisions: A++ hierarchical or not; kind of mapping; introduction of roles (=further attributes). The most simple case - ordinary two-valued Coordinate Indexing - is discusssed in detail; o is a free distributive (but not Boolean) lattice, the homographic image a ring of subsets of o; instead of negation which is not useful, a useful retrieval operation 'praeternagation' is introduced. Furthermore these are discussed: a generalized definition of superimposed coding, some functions for the distance of objects or attributes; optimization and automatic derivation of classifications. The model takes into account term-term relations and document-document relations. It may serve as a structural framework in terms of which the functional problems of retrieval theory may be expressed more clearly
  12. Leser sind auch Menschen oder Traktat von der idealen Bibliothekarin (1962) 0.01 
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  13. ¬Die Klassifikation der Wissenschaften als philosophisches Problem (1968) 0.01 
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  14. Kirpiceva, I.K.: Handbuch der russischen und sowjetischen Bibliographien : die Allgemeinbibliographien, Fachbibliographien und Nachschlagewerke Russlands und der Sowjetunion (1962) 0.01 
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  15. LaMontagne, L.E.: American library classification : with special reference to the Library of Congress (1961) 0.01 
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  16. Rider, A.F.: Rider's International Classification for the arrangement of books on the shelves of general libraries (1961) 0.01 
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  17. Pemberton, J.E.: How to find out in mathematics : a guide to sources of information (1969) 0.01 
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  18. Ranganathan, S.R.; Gopinath, M.A.: Prolegomena to library classification (1967) 0.01 
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  19. Brall, A.: Anwendung und Abwandlung der Sachkatalogisierungsmethode Eppelsheimer an deutschen Bibliotheken : Mit einem Anhang von Materialien (1968) 0.01 
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  20. Wittgenstein, L.: Tractatus logico-philosphicus : logisch-philosophische Abhandlungen (1963) 0.01 
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