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The virtual union catalog: a comparative study

[journal article]

Coyle, Karen

Abstract

A Virtual union catalog is a possible alternative to the centralized database of distributed resources found in many library systems. Such a catalog would not be maintained in a single location but would be created in real time by searching each local campus or affiliate library's catalog through th... view more

A Virtual union catalog is a possible alternative to the centralized database of distributed resources found in many library systems. Such a catalog would not be maintained in a single location but would be created in real time by searching each local campus or affiliate library's catalog through the Z39.50 protocol. This would eliminate the redundancy of record storage as well as the expense of loading and maintaining access to the central catalog. This article describes a test implementation of a virtual union catalog for the University of California system. It describes some of the differences between the virtual catalog and the existing, centralized union catalog (MELVYL). The research described in the paper suggests enhancements that must be made if the virtual union catalog is to become a reasonable service alternative to the MELVYL® catalog.... view less


Um catálogo de união Virtual é uma alternativa possível para o banco de dados centralizado de recursos distribuídos encontrados em muitos sistemas de bibliotecas. Este catálogo não seria mantido em um único local, mas seria criada em tempo real, pesquisando cada campus local ou catálogo da bibliotec... view more

Um catálogo de união Virtual é uma alternativa possível para o banco de dados centralizado de recursos distribuídos encontrados em muitos sistemas de bibliotecas. Este catálogo não seria mantido em um único local, mas seria criada em tempo real, pesquisando cada campus local ou catálogo da biblioteca da filial através do protocolo Z39.50. Isto eliminaria a redundância de armazenamento registro, bem como à custa de carga e manter o acesso para o catálogo central. Este artigo descreve uma implementação de teste de um catálogo união virtual para o University of Califórnia sistema. Ela descreve algumas das diferenças entre o catálogo virtual e o existente, catálogo união centralizado (MELVYL). A pesquisa descrita no artigo sugere melhorias que devem ser feitas se o catálogo virtual é a união para se tornar uma alternativa de serviço razoável para o catálogo ® MELVYL.... view less

Classification
Information and Documentation, Libraries, Archives

Document language
English

Publication Year
2000

Page/Pages
17 p.

Journal
ETD - Educação Temática Digital, 1 (2000) 2

Status
Published Version; reviewed

Licence
Free Digital Peer Publishing Licence


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Home  |  Legal notices  |  Operational concept  |  Privacy policy
© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.