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  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. Krömmelbein, U.: Linguistische und fachwissenschaftliche Gesichtspunkte der Schlagwortsyntax : Eine vergleichende Untersuchung der Regeln für die Schlagwortvergabe der Deutschen Bibliothek, der RSWK und der Indexierungsverfahren Voll-PRECIS und Kurz-PRECIS (1984) 0.07 
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    Abstract
    Die deutsche Bibliothek in Frankfurt bietet seit einigen Jahren zentrale Dienste im Bereich der verbalen Sacherschließung an, Um deren Akzeptanz zu verbessern, will die Deutsche Bibliothek ab 1986 von der augenblicklichen gleichordnenden Indexierung zu einem syntaktischen Verfahren übergehen. Als Alternativen standen die RSWK und eine verkürzte Version des britischen Indexierungsverfahrens PRECIS zur Diskussion. Die Anforderungen einer Fachwissenschaft an die Schlagwort-Syntax einer adäquaten Dokumentationssprache werden exemplarisch entwickelt, die vier Alternativen - augenblickliche verbale Sacherschließunf der DB, RSWK, PRECIS (britische Version) und Kurz-PRECIS (DB-Version) - an ihnen gemessen. Die Kriterien basiern auf Grammatiktheorien der modernen Linguistik und gehen von einer Analogie zwischen Dokumentationssprachen und natürlicher Sprache aus.
  2. Supper, R.: Entwicklung und Grundprinzipien von PRECIS, einem computergestütztem Indexierungssystem (1985) 0.04 
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    Source
    Neue Regelwerke zum Schlagwortkatalog: Einführung in RSWK u. PRECIS. Vorträge e. Fortbildungsveranstaltung der FHBD in Köln am 9. u. 10.7.1984
  3. PRECIS: Für die Anwendung in deutschen Bibliotheken überarbeitete u. vereinfachte Form des syntaktischen Indexierungsverfahrens der British Library (1984) 0.02 
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    Footnote
    Rez. in: International classification 12(1985) S.41-43 (J. Austin)
  4. Krömmelbein, U.: linguistische und fachwissenschaftliche Gesichtspunkte. Eine vergleichende Untersuchung der Regeln für die Schlagwortvergabe der Deutschen Bibliothek, RSWK, Voll-PRECIS und Kurz-PRECIS : Schlagwort-Syntax (1983) 0.02 
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    Footnote
    Examensarbeit Höherer Dienst an der FHBD in Köln. - Auch veröffentlicht in: Bibliothek: Forschung und Praxis 8(1984) S.159-203
  5. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 0.02 
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    Abstract
    Designing research on the retrieval effectiveness of computer searches on PRECIS compared with retrieval effectiveness of searches on other types of subject analysis used in computer-based information sources is a complex process. This paper explores the complexity of measuring comparative retrieval effectiveness through a comparison of the subject analysis provided by the PRECIS system for fifty articles with the subject analysis provided for the same articles by three computer-based information sources: ERIC/CIJE, LLBA/Online and PsycINFO. Objectives are: (1) to discover factors that should be taken into account when designing this type of research; and (2) to identify extraneous variables that work against internal validity in research design .
    Theme
    Verbale Doksprachen im Online-Retrieval
  6. Dykstra, M.: PRECIS in the online catalog (1989) 0.02 
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    Footnote
    Simultaneously published as Subject Control in Online Catalogs
    Theme
    Verbale Doksprachen im Online-Retrieval
  7. ¬The PRECIS system for computer-generated indexes and its use in the British National Bibliography (1972) 0.01 
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    Series
    Contributions in librarianship and information science; no.3
    Source
    Subject retrieval in the seventies: new directions. Proc. of an Int. Symp. ... College Park, May 14-15, 1971. Ed.: H.H. Wellisch et al
  8. Austin, D.: ¬The role of indexing in subject retrieval (1976) 0.01 
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  9. Austin, D.: Automatisierung in der Sacherschließung der British Library (1984) 0.01 
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    Abstract
    Dieser Aufsatz beschäftigt sich mit Management-Aspekten der Sacherschließung in der British Library, Bibliographic Services Division, wo computergestützte, nicht völlig "automatische" Verfahren angewendet werden. In einer ausführlichen Darstellung des Arbeitsablaufes im Subject Systems Office wird der Weg eines Dokumentes durch die verschiedenen Sektionen verfolgt, und die betriebswirtschaftlichen Folgen der besonderen Rolle von PRECIS in diesem Arbeitsablauf werden erörtert. Das Mehrdateiensystem der British-Library-Datenbank wird beschrieben; es wird gezeigt, wie diese Struktur den effektiven Wiedergebrauch von Daten ermöglicht. Weiterhin wird die Verbesserung des on-line Retrieval durch den Einbau von präkoordinierten Themenangaben in den Suchablauf behandelt; abschließend wird die Rolle des Computers in der Sacherschließung einer IuD-Einrichtung wie der British Library diskutiert
  10. Madelung, H.-O.: Subject searching in the social sciences : a comparison of PRECIS and KWIC indexes indexes to newspaper articles (1982) 0.01 
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    Abstract
    89 articles from a small, Danish left-wing newspaper were indexed by PRECIS and KWIC. The articles cover a wide range of social science subjects. Controlled test searches in both indexes were carried out by 20 students of library science. The results obtained from this small-scale retrieval test were evaluated by a chi-square test. The PRECIS index led to more correct answers and fewer wrong answers than the KWIC index, i.e. it had both better recall and greater precision. Furthermore, the students were more confident in their judgement of the relevance of retrieved articles in the PRECIS index than in the KWIC index; and they generally favoured the PRECIS index in the subjective judgement they were asked to make
  11. Michell, G.: Does PRECIS have feet of clay? : problems with the universality of the role operators (1979) 0.01 
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    Abstract
    One current trend in information retrieval that can facilitate resource sharing and cost reduction is the sread of common indexing languages. Of the more sophisticated languages available, clearly the best known and widely adopted is PRECIS. One of the claims made for PRECIS by its designer is that the role operators it uses correspond to linguistic universals, making PRECIS eminently suitable for multilingual indexing. This strong claim, if justified, could make PRECIS the common indexing language of choice where translation problems have high priority, as they do in Canada. This paper shows there is little support for this claim to universality because the role operators are defined in terms of superficial characteristics of language that are far from universal
  12. Dykstra, M.: Subject indexing and retrieval: what more can technology do? (1987) 0.01 
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  13. Austin, D.: PRECIS: Introduction (1987) 0.00 
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    Footnote
    Zusammenfassende kompakte Darstellung des Systems PRECIS, seiner Geschichte, Eigenschaften und Möglichkeiten bis hin zum Online-Retrieval. - Als Einführung zu empfehlen
  14. Dykstra, M.: PRECIS in the online catalog (1989) 0.00 
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    Source
    Subject control in online catalogs. Ed.: R.P. Holley
  15. Austin, D.; Sørensen, J.: PRECIS in a multilingual context : Pt.3: Multilingual experiments, proposed codes, and procedures for the Germanic languages. (1976) 0.00 
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    Abstract
    PRECIS was introduced, mainly as an English language system, in the first paper in this series (1), and that account was followed by a generalised logicolinguistic explanation in the second (2). The present paper sets out to consider more practical matters of two kinds. Firstly, it describes some of the experiments in multilingual indexing which have been carried out already, noting in particular the lessons, leading to new procedures, drawn from these experiences. Secondly, the theoretical model proposed in the second paper, together with some of the new codes and procedures found to be necessary as the result of experiment with non-English languages, are related specifically to work in the Germanic languages.
  16. Austin, D.: PRECIS in a multilingual context : Pt.1: PRECIS: an overview (1976) 0.00 
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    Abstract
    The present paper is offered as the first of a series of articles in which PRECIS will be reviewed as a potential multi-lingual system, having in mind the obvious need, notably in a European context, for standard and language independent methods of subject analysis and document description. This first paper outlines the origins of PRECIS, and considers its use in English language indexing. A second paper will deal in general terms with the syntactical model which is used for producing PRECIS input strings and index entries. Later papers will then review the application of this model to indexing in, firstly, the Germanic languages (e.g. German and Danish), and, secondly, the Romance languages, illustrated by French.
  17. Assuncào, J.B.: PRECIS en portuguès : em busca uma adaptacào (1989) 0.00 
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    Abstract
    Report on research carried out in Brazil for a doctoral thesis, investigating the possibility of using the PRECIS indexing system for documents in Portuguese. Discusses the theoretical basis of PRECIS, and presents the resultss of a study in comparing the use PRECIS to index 2 samples of documents, in English and Portuguese respectively. Concludes that, with minor modifications to take account of the differences in structure between the 2 languages. PRECIS could produce satisfactory results for documents in Portuguese. This suggests the further possibility that PRECIS - because of its sound logical basis rather than its complex linguistic theory - could become a multilingual indexing system.
  18. Balnaves, J.: PRECIS in ANB (1973) 0.00 
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  19. Lambert, G.: PRECIS in a multilingual context : Pt.4: The application of PRECIS in French. (1976) 0.00 
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    Abstract
    This fourth paper in the series on PRECIS will consider the theoretical model of the indexing operation proposed in an earlier paper, and extend its application to one of the Romance languages, namely French. The present author has noted, throughout the publication of this series, how closely these logico-linguistic explanations could be applied to indexing in the French language. It is realised that experiments into PRECIS as a multilingual system are not complete, and that a new phase has undoubtedly started with the current British Library investigation of its translingual potential. Nevertheless, it would appear that the major problems still facing the researchers, such as the treatment of inflections, infixes, etc., are mostly related to the Germanic languages. As far as French is concerned, it is a relatively simple matter to give a positive answer to the question posed in the first paper: " . . . Do the codes and procedures developed so far (including the specified additions) amount to a general system which is capable of operating in any of the major European (and other) languages?"
  20. Austin, D.; Sørensen, J.: PRECIS in a multilingual context : Pt.2: A linguistic and logical explanation of the syntax. (1976) 0.00 
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    Abstract
    In this second paper in the series on PRECIS we set out to establish a theoretical model of the indexing operation to account for the growing empirical evidence that PRECIS can be applied successfully to the terms and phrases of more than one natural language (NL). For this purpose, the system is examined from two different but related viewpoints, the first linguistic and the second logical. In linguistic terms, the schema of role operators is related to certain features of NL which are regarded by linguists as language-independent, particular attention being paid to Chomsky's 1965 theory, the notion of deep cases, and the idea that roles, as used in an indexing language (IL) are related to deep cases in NL. It is realised that we should not rely too heavily on analogies between NL and IL, on the grounds that these two kinds of language have different structures and to some extent different functions, Consequently, the structure of a PRECIS string is also considered in terms of an alternative logic, and it is suggested that the order of terms in strings and entries, explained in the earlier paper through reference to the dual properties of context-dependency and one-toone relationships, is also amenable to a different but reinforcing explanation in terms of time-dependency. These two types of explanation, the linguistic and the logical, form the basis for a proposed theoretical model of the 'stages of indexing'. Finally, the authors consider the implications of this model for multilingual indexing.

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