Community:NCore/Model/Objects/Metadata

From NSDLWiki

Contents [hide] 1 Overview 2 Core Components 2.1 Properties 2.2 Relationships 2.3 Datastreams

Overview

Metadata objects represent a set of (possibly bibliographic) statements describing another object in the repository as a single record. These statements are assertions made by a single Agent.

Core Components

All components are optional unless indicated otherwise. Components from other namespaces or models are not represented here.

Properties

• itemId (From OAI model) - Indicates that if the record is served out via an OAI-PMH server, it is to have the given OAI ItemId.
• uniqueId - An identifier that uniquely identifies a given metadata record within a single MetadataProvider.
• visibility - (From OAI model) Indicates the visibility of the object to OAI-PMH services.

Relationships

• annotates - Specifies that the object described by this Metadata annotates another.
• metadataFor required - Specifies the object(s) that a Metadata object is describing
• metadataProvidedBy required - Specifies the one provider that is the origin of the Metadata.

Datastreams

• format_nsdl_dc - Contains DublinCore Metadata statements about the object(s) described by the Metadta record.
• format_nsdl_dc_info (From OAI model) - Content desired to be put in the "about" section if served out via OAI-PMH.