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The Repository Open Service Interface Definition (OSID) is an Open Knowledge Initiative specification which defines the storing and retrieving of digital content, referred to as ''assets''. OSIDs are programmatic interfaces which comprise a service-oriented architecture for designing and building reusable and interoperable software. Assets may contain metadata and reside in repositories which support one or more asset types. Examples of assets are documents, course materials, assessment items, images, video, etc. Multiple repositories can be managed or searched through the use of OSID adapter patterns where underneath a single Repository OSID can exist multiple Repository OSIDs forming a federation of repositories, where each implementation may be using a distinct incompatible technology and the OSID integrates them. ==Demonstrations== *''SearchParty and OSIDs'' *''VUE and OSIDs'' *''Sakai and OSIDs'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Repository Open Service Interface Definition」の詳細全文を読む スポンサード リンク
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