元数据与互操作-课件.ppt

北京大学研究生课程进修班 2005 上海 Flow Control protocol request harves ter repos i tory 北京大学研究生课程进修班 2005 上海 Flow Control Specifics… Applies to all protocol requests that return lists: ListRecords, ListIdentifiers, ListSets ResumptionToken is opaque Semantics of partitioning of responses within resumption requests is undefined Time-to-live of resumptionToken is not defined by the protocol 北京大学研究生课程进修班 2005 上海 Supporting protocol requests: Identify ListMetadataFormats ListSets Harvesting protocol requests: ListRecords ListIdentifiers GetRecord repos i tory harves ter service provider data provider OAI harvesting tools 北京大学研究生课程进修班 2005 上海 Identify Repository name Base-URL Admin e-mail OAI protocol version Description Container repos i tory harves ter service provider data provider Supporting Protocol Requests 北京大学研究生课程进修班 2005 上海 repos i tory harves ter service provider data provider Supporting Protocol Requests ListMetadataFormats REPEAT Format prefix Format XML schema /REPEAT 北京大学研究生课程进修班 2005 上海 repos i tory harves ter service provider data provider Supporting Protocol Requests ListSets REPEAT Set Specification Set Name /REPEAT 北京大学研究生课程进修班 2005 上海 * from=a * until=b * set=klm ListRecords * metadataPrefix=oai_dc REPEAT Identifier Datestamp Metadata About Container /REPEAT repos i tory harves ter service provider data provider Harvesting Requests 北京大学研究生课程进修班 2005 上海 repos i tory harves ter service provider data provider Harvesting Requests REPEAT Identifier Datestamp /REPEAT * from=a * until=b ListIdentifiers * set=klm 北京大学研究生课程进修班 2005 上海 repos i tory harves ter service provider data provider Harvesting Requests * identifier=oai:mlib:123a GetRecord * metadataPrefix=oai_dc Identifier Datestamp Metadata About 北京大学研究生课程进修班 2005 上海 服务提供方功能模块 北京大学