thammond – 2007 January 30
OAI-ORE is being positioned as a companion activity to the more familiar OAI-PMH protocol for metadata harvesting. OAI-ORE relates to the expression and exchange of digital objects across repositories rather than just the exchange of metadata about those objects.
The basic problem is that scholarly communication deals in units which are compound resulting from a complex of documents and/or datasets expressed in multiple formats, versions, relationships, etc. The underlying web architecture provides a fairly simple model of resources (identified with URIs) which are interconnected and can be interacted with by retrieving representations of those resources. In practice, this usually results in unique URIs (and thus resources) for each representation - think of one URI for an HTML document, another for a PDF document of the same work, and yet new URIs for those same document formats for a new version of the work. Clearly, all these representations (or documents) are related, and more importantly relate to a single underlying “work”. Web architecture as generally practiced does not provide ready mechanisms to aggregate (and compartmentalize) related documents and datasets.
My fairly simple mental picture is that the web landscape is rather like the early universe in which energy (and matter) is distributed uniformly and there is little local “intelligence” which is gradually built up through time by matter formation and aggregations of this matter leading to the more familiar “clumpy” universe with its recognizable galaxies, stars and other objects. This “clumpiness” is precisely what we are missing in the scholarly web.
2020 January 14
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