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Atti del sminario di studi sulla CDU. Roma, 22. settembre 1975. A cura di Maria Pia Carosella (1977) 0.02

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Visintin, G.: Passaggi (1998) 0.01

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Date: 22. 2.1999 20:40:57

Aghemo, A.: Anche l'arte ha sue regole : e possibile anche per il bibliotecario del servizio d'informazione fondare la sua attivita su un 'codice' certo? (1993) 0.01

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Date: 6. 4.1996 13:22:31

Aghemo, A.: Come valutare il servizio di informazione (1993) 0.01

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Date: 6. 4.1996 13:22:31

Aghemo, A.: Etica professionale e servizio di informazione (1993) 0.01

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Date: 6. 4.1996 13:22:31

Nistico, R.: Studio e indicizzazione delle dediche librarie (1998) 0.01

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Date: 22. 2.1999 20:41:06

Nuovo soggettario : guida al sistema italiano di indicizzazione per soggetto, prototipo del thesaurus (2007) 0.01
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Footnote

The guide Nuovo soggettario was presented on February 8' 2007 at a one-day seminar in the Palazzo Vecchio, Florence, in front of some 500 spellbound people. The Nuovo soggettario comes in two parts: the guide in book-form and an accompanying CD-ROM, by way of which a prototype of the thesaurus may be accessed on the Internet. In the former, rules are stated; the latter contains a pdf version of the guide and the first installment of the controlled vocabulary, which is to be further enriched and refined. Syntactic instructions (general application guidelines, as well as special annotations of particular terms) and the compiled subject strings file have yet to be added. The essentials of the new system are: 1) an analytic-synthetic approach, 2) use of terms (units of controlled vocabulary) and subject strings (which represent subjects by combining terms in linear order to form syntactic relationships), instead of main headings and subdivisions, 3) specificity of terms and strings, with a view to the co-extension of subject string and subject matter and 4) a clear distinction between semantic and syntactic relationships, with full control of them both. Basic features of the vocabulary include the uniformity and univocality of terms and thesaural management of a priori (semantic) relationships. Starting from its definition, each term can be categorially analyzed: four macro-categories are represented (agents, action, things, time), for which there are subcategories called facets (e.g., for actions: activities, disciplines, processes), which in turn have sub-facets. Morphological instructions conform to national and international standards, including BS 8723, ANSI/ NISO Z39.19 and the IFLA draft of Guidelines for multilingual thesauri, even for syntactic factorization. Different kinds of semantic relationships are represented thoroughly, and particular attention is paid to poly-hierarchies, which are used only in moderation: both top terms must actually be relevant. Node labels are used to specify the principle of division applied. Instance relationships are also used.

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