The following email from John Weatherley to the 'thredds' email list bounced since John is not a subscribed member of the list. ------- Forwarded Message Date: Tue, 27 Nov 2001 11:10:09 -0700 (MST) From: John Weatherley <address@hidden> X-X-Sender: <address@hidden> To: <address@hidden>, <address@hidden>, DLESE Staff <address@hidden>, Steve Sullivan <address@hidden> Subject: OAI Metadata Harvesting Java Implementation Message-ID: <address@hidden> OAI Protocol for Metadata Harvesting: A Java Implementation. Presentation: 9:30 AM, Thursday November 29. DPC Conference Room (FL4 RM 3134) This presentation will provide a software architecture overview of the DPC's OAI metadata harvesting Java implementation. The Open Archives Initiative (OAI) protocol for metadata harvesting is an interoperability standard that provides a convenient way to share metadata among library repositories. The OAI standard was developed to provide a simple method to support the streaming of metadata from one repository to another, and ultimately to a provider of user services such as searching, browsing or annotation. The OAI protocol subscribes to a solution for interoperability known as metadata harvesting. The framework establishes a notion of a Service Provider - a central entity that collects or "harvests" metadata from repositories and then provides services over the metadata such as searching, browsing, indexing and categorization. The individual repositories that produce metadata are known as Data Providers. The protocol is simple in that it allows for the transport of metadata from one to another, but does not attempt to include more complex features within the protocol itself such as searching. As such it can be implemented quickly, without the need for high overhead, making it easy for repositories to become Data Providers while leaving searching, browsing and other high-level functions to be handled by the Service Provider. Because DLESE is composed of many diverse partners both large and small, OAI provides an excellent solution for library interoperability. ------- End of Forwarded Message
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