Search (195 results, page 1 of 10)

  • × year_i:[1980 TO 1990}
  1. Malsburg, C. von der: ¬The correlation theory of brain function (1981) 0.24 
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    Abstract
    A summary of brain theory is given so far as it is contained within the framework of Localization Theory. Difficulties of this "conventional theory" are traced back to a specific deficiency: there is no way to express relations between active cells (as for instance their representing parts of the same object). A new theory is proposed to cure this deficiency. It introduces a new kind of dynamical control, termed synaptic modulation, according to which synapses switch between a conducting and a non- conducting state. The dynamics of this variable is controlled on a fast time scale by correlations in the temporal fine structure of cellular signals. Furthermore, conventional synaptic plasticity is replaced by a refined version. Synaptic modulation and plasticity form the basis for short-term and long-term memory, respectively. Signal correlations, shaped by the variable network, express structure and relationships within objects. In particular, the figure-ground problem may be solved in this way. Synaptic modulation introduces exibility into cerebral networks which is necessary to solve the invariance problem. Since momentarily useless connections are deactivated, interference between di erent memory traces can be reduced, and memory capacity increased, in comparison with conventional associative memory
    Source
    http%3A%2F%2Fcogprints.org%2F1380%2F1%2FvdM_correlation.pdf&usg=AOvVaw0g7DvZbQPb2U7dYb49b9v_
  2. Walker, A.: Australia's pictorial collections on interactive videodisc (1989) 0.08 
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    Abstract
    The use of interactive videodiscs for preserving, presenting and retrieving pictorial collections in Australia was pioneered at the New South Wales Government Printing Office, Sydney. This project has now stored some 200.000 historical photographs on interactive videodisc, associated with sophisticated microcomputer data bases using the specially developed Just Image software. Videodisc systems to retrieve pictorial material are being used to preserve and present the pictorial collections of various Australian libraries and museums, and standards for the description and indexing of photographs are being developed.
    Date
    3. 1.1999 11:22:04
  3. Root thesaurus. Pt.1.2 (1985) 0.05 
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    Date
    18. 5.2007 14:22:43
    Editor
    British Standards Institution
    Imprint
    Milton Keynes : British Standards Institution
  4. Leresche, F.: ¬La normalisation du catalogage en France (1989) 0.05 
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    Abstract
    Reviews the organisation of the work of cataloguing standardisation in France and in standards published or in preparation. French standards follow IFLA reommendations on rules for bibliographic descriptions and headings. Standardisation of formats is less developed; however MARC is gaininig ground as a national exchange format, whilst USMARC is also used by university and public libraries. French policy on cataloguing standards aims both to promote international exchange of biblio-graphic recordswhile respecting national access requirements, and to simplify cataloguing by promoting the use of medium-level bibliographic records.
  5. Schéma directeur de l'information bibliographique de la Culture : étape no.1 (1988) 0.05 
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    Abstract
    Extracts from the official report of a study investigating the situation in French public libraries, The main reason for this evaluation is th proposed review of the role of the Bibliothèque Nationale, in relation to developing the role of France in the world information market. The results reported here cover the production and diffusion of bibliographic information. The overall picture is of a lack of coordination between products available and user needs, failure to establish standards for formats and for information technology equioment. The concluding recommendations emphaisis the need for coordinating initiatives by the various organisations involved in producing/diffusing bibliographic information, and establishing common standards to allow free exchange between bibliographic networks. Further studies are in hand to establish guidelines for future policies in more specialised library sectors.
  6. Van Slype, G.: ¬Les systèmes intégrés de gestion de l'information documentaire dans les enterprises (1989) 0.04 
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    Abstract
    Until the 1980s, the handling of documentary information in business was usually split up among 4 unrelated independent departments: the library; archives; secretarial services; and reproduction/printing. The introduction of new technology allows the integration of these operations into a single system; comprising subsystems for: production of internal documents; acquisition and storage of external documents; information retrieval; archive creation and maintenance; and circulation of information between departments, based on local computer networks. In reality, not many businesses are making use of technology available to set up such integrated systems because of the lack of common standards for equipment and software, which makes internal and external communication unreliable. This problem may be resolved in the near future, as a result of discussions now in progress at international level.
  7. Comer, D.: Internetworking with TCP/IP : principles, protocols and architecture (1988) 0.03 
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    LCSH
    Computer networks
    PRECIS
    Computer systems / Networks
    Subject
    Computer networks
    Computer systems / Networks
  8. Future of online catalogues : Essen symposium, 30.9.-3.10.1985 (1986) 0.03 
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    Content
    Enthält u.a die Beiträge: HILDRETH, Ch.: Online public access catalogues; VOGT, H.: The future of online catalogues in the northern areas of Germany; SEAL, A.: Data structures, MARC and online access; HOLM, L.: Design of databases as good catalogues; RISHOEJ, J.: From database-production to an online catalogue; BUCKLE, D.: OCLC Europe: bibliographic database services for catalogue conversion; FERGUSON, J.: Future of online catalogues. UTLAS in Europe - a personal view; SÜLE, G.: Problems of duplicate records, standards and quality control; HUNSTAD, S.: Problems of duplicate records; SCHOOTS, P.: Browsers in Rotterdam: popular access to the database; KINSELLA, J.: "Prospects for browsing": experimental approaches to the presentation of brief entries and the design of 'browse screens'; MERRIN, G.: Access points and search methods in the SIBIL system with special reference to Boolean and tree search; KOHL, E.: The online union catalogue of parliamentary and government institutions in the Federal Republic of Germany; COSTERS, L. u. J. BUYS: The results of an experiment with an online public access catalogue; NOERR, K.B. u. P. NOERR: A microcomputer system for online catalogues; RAITT, D.: Online catalogues: the facts, the features, the future
  9. Horn, S.K.; Clements, S.K.: ERIC : the past, present and future federal role in education dessemination. (1989) 0.03 
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    Abstract
    The US government-sponsored Educational Resources Information Center (ERIC) has, for over 20 years, been the major repository for research and practice-orientes information about education. Summarises the development of that system, examines some of the changes that are currently being made in it, and speculates briefly about its future.
    Source
    Government information quarterly. 6(1989) no.2, S.183-197
  10. BS 1629: Recommendations for references to published materials (1989) 0.03 
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    Editor
    British Standards Institution
    Imprint
    London : British Standards Institution
  11. Smith, K.F.: POINTER vs. Using Government publications : where's the advantage? (1989) 0.03 
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    Abstract
    POINTER is a microcomputer program and expert system that simulates the advice of a government documents librarian suggesting the use of particular reference books. Using Government publications is a 2 volume work which identifies search strategies and sources of information for handling many specific topics and types of questionsassociated with federal documents. A comparison of these 2 reference aids reveals advantages and disadvantages of each as well as the difficulty of developing a conceptual framework for federal document research.
  12. Levinson, R.W.: Information and referral networks : doorways to human services (1988) 0.03 
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  13. ISO 8879: Standard Generalized Markup Language (SGML) (1986) 0.03 
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    Imprint
    London : International Standards Organisation
  14. ISO 9069: SGML Document Interchange Format (SDIF) (1988) 0.03 
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    Imprint
    London : International Standards Organisation
  15. Z39.19-1980: Guidelines for thesaurus structure, construction and use (1980) 0.03 
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    Editor
    American National Standards Institute
    Imprint
    New York : American National Standards Institute
  16. Z39.4-1984: American national standard for library and information sciences and related publishing practices : Basic criteria for indexes (1984) 0.03 
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    Editor
    American National Standards Institute
    Imprint
    New York : American National Standards Institute
  17. BS 6529: Recommendations for examining documents, determining their subjects and selecting indexing terms (1984) 0.03 
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    Editor
    British Standards Institution
    Imprint
    London : British Standards Institution
  18. BS 3700: Recommendations for preparing indexes to books, periodicals and other documents (1988) 0.03 
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    British Standards Institution
    Imprint
    London : British Standards Institution
  19. BS 5723: Guide to establishment and development of monolingual thesauri (1987) 0.03 
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    British Standards Institution
    Imprint
    London : British Standards Institution
  20. Campbell, M.J.: Business information services : some aspects of structure, organization and problems (1981) 0.02 
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    Abstract
    As provided by the public library sector, and compared with government despartments, professional and commerical institutions, the press and academic libraries

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