Describing and retrieving photos using RDF and HTTP

Yves Lafon, Bert Bos

Yves Lafon, Bert Bos, Describing and retrieving photos using RDF and HTTP, World Wide Web Consortium, Note NOTE-photo-rdf-20020419, April 2002.

This note describes a project for describing & retrieving (digitized) photos with (RDF) metadata. It describes the RDF schemas, a data-entry program for quickly entering metadata for large numbers of photos, a way to serve the photos and the metadata over HTTP, and some suggestions for search methods to retrieve photos based on their descriptions. The data-entry program has been implemented in Java, a specific Jigsaw frame has been done to retrieve the RDF from the image through HTTP. The RDF schema uses the Dublin Core schema as well as additional schemas for technical data. We already have a demo site and there is sample source code available for download. The system can be useful for collections of holiday snapshots as well as for more ambitious photo collections.


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