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Notazione e interfaccia di ricerca per una classificazione a livelli

Gnoli, Claudio and Merli, Gabriele (2005) Notazione e interfaccia di ricerca per una classificazione a livelli. AIDAInformazioni : rivista di Scienze dell'informazione 2005(1-2).

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Abstract

[Italian abstract] Negli anni Sessanta il Classification research group studiò la possibilità di uno schema di classificazione generale "a faccette libere", basato sulla teoria dei livelli di integrazione. Uno schema di questo tipo è stato da noi sperimentato per indicizzare una
bibliografia di cultura locale. Sono presentate in particolare le caratteristiche della notazione, progettate per facilitare il recupero di descrizioni bibliografiche in ambiente digitale. Il sistema è stato sperimentato realizzando un'interfaccia di ricerca via Web scritta
in linguaggio PHP, che estrae i dati registrati in una base-dati MySQL. La struttura a livelli permette di esprimere le relazioni fra concetti sia per semplice giustapposizione dei corrispondenti simboli, sia in modi più sofisticati, compresa la relazione di dipendenza che sussiste tra fenomeni di livelli di integrazione diversi, quali "piante" e "boschi" o "montagne" e "alpinismo".
[English abstract] During the 1960s the Classification Research Group explored the possibility of a general "freely faceted" classification scheme, based on the theory of integrative levels. We have experimented the application of such kind of scheme to a bibliography of local culture. Its notation, designed in order to allow efficient machine retrieval of bibliographic descriptions, is especially illustrated. The system has been tested through a Web search interface written in PHP language, extracting data recorded in a MySQL database. The levelled structure allows to express relations between concepts both by simple juxtaposition of the corresponding symbols, and by more sophisticated ways, including the relation of dependence holding between phenomena at different integrative levels, like "plants" and "woods" or "mountains" and "climbing".

Keywords:classification research group, classificazione a faccette
libere, interfacce di ricerca, livelli di integrazione, notazione, PHP, relazioni tesaurali, faceted classification, research interfaces, integration levels, notation, PHP, thesaurus relations
Subjects:A. Theoretical and general aspects of libraries and information. > AB. Information theory and library theory.
ID Code:11595
Deposited By:Italian Staff, E-LIS
Deposited On:05 October 2007
All fields:Show all fields

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