Using DataSpace Archives to Support Long-Term Stewardship of Remote and Distributed Data
نویسندگان
چکیده
In this note, we introduce DataSpace Archives. DataSpace Archives are built on top of DataSpace’s DSTP servers [2] and are designed not only to provide a long term archiving of data, but also to enable the archived data to be discovered, explored, integrated and mined. DataSpace Archives are based upon web services. Web services’ UDDI and WSDL mechanisms provide a simple means for any web service client to discover relevant archived data [7]. In addition, data in DataSpace Archives can carry a variety of XML metadata, and the DSTP servers which underly the DataSpace Archives provide direct access to this metadata. Unfortunately, web services today do not provide the scalabilty required to work with large remote data sets. For this reason, DataSpace Archives employ a scalable web service we have developed called SOAP+. As the amount of data grows, the ability to explore and browse remote and distributed archived data will become more and more important. For this reason, a requirement of DataSpace Archives is that they support direct browsing of the data they contain, without the necessity of first retrieving the data and then opening a local application. DataSpace Archives also support a type of distributed database keys, which are described below and which enable data sets in different DataSpace Archives to be easily integrated. Finally, DataSpace Archives use emerging internet storage platforms, such as IBP [1] and OceanStore [6], as a basis for providing long term storage, long past the demise of any individual disk or server.
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