The Z39.50 protocol aims at opening databases to client-server communication. However, in the case of large databases, like OPACs, the migration to the client-server architecture may require significant effort. This can hardly limit the diffusion of the open systems environment. The ARCA project gives solutions to these problems by providing a system which makes an OPAC a Z39.50 target with a minimal effort. The paper describes the basic ideas, the general architecture and the main functionality of the system, outlining its contribution to systems interoperability.
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机译：Z39.50协议旨在打开数据库到客户端 - 服务器通信。但是，在大型数据库的情况下，如opacs，对客户端 - 服务器架构的迁移可能需要大量努力。这几乎无法限制开放系统环境的扩散。 ArcA项目通过提供一个系统，通过提供具有最小努力的OPAC A Z39.50目标来解决这些问题的解决方案。本文介绍了系统的基本思路，普通架构和主要功能，概述了对系统互操作性的贡献。
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