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  • × year_i:[1970 TO 1980}
  • × theme_ss:"Geschichte der Klassifikationssysteme"
  1. Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971) 0.02 
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    Source
    Nachrichten für Dokumentation. 22(1971), S.55-63
  2. Svenonius, E.: Facet definition: a case study (1978) 0.01 
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    Abstract
    Historical account of the sophisticated method of indexing developed by J.O. Kaiser (1896/97), a librarian at the Philadelphia Commercial Museum who established his index on cards (a novelty then) and distinguished his items according to the categories 'concrete', 'process', and 'country'. He also introduced "statement indexing" and rules to this end in order to permit the supply of "complete information" on a subject in a document. In summarizing these findings, the author stresses the necessitiy of establishing well-defined categories if an organization of terms is to serve e.g. information retrieval.

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