mod_oai：Apache元数据收集模块
mod_oai: An Apache Module for Metadata Harvesting
摘要：
我们描述了mod_oai，一个Apache 2.0模块，它实现了Open Archives Initiative Protocol for Metadata Harvesting（OAI-PMH）。OAIPMH是数字图书馆中元数据交换的事实标准，它允许存储库以结构化的、应用程序中立的格式公开其内容，并对语义进行了优化，以实现准确的增量收获。当前OAI-PMH的实现要么是访问现有存储库的独立应用程序，要么是内置于存储库软件包中。mod_oai的不同之处在于，它通过在Apache服务器中构建OAI-PMH功能来优化Web内容的获取。我们讨论了收获能力添加到Apache服务器的影响，并描述了我们的初步实验结果访问一个部门的网站，使用Web爬行和OAIPMH收获技术。
英文摘要：
We describe mod_oai, an Apache 2.0 module that implements the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). OAIPMH is the de facto standard for metadata exchange in digital libraries and allows repositories to expose their contents in a structured, application-neutral format with semantics optimized for accurate incremental harvesting. Current implementations of OAI-PMH are either separate applications that access an existing repository, or are built-in to repository software packages. mod_oai is different in that it optimizes harvesting web content by building OAI-PMH capability into the Apache server. We discuss the implications of adding harvesting capability to an Apache server and describe our initial experimental results accessing a departmental web site using both web crawling and OAIPMH harvesting techniques.
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