1. D2RQ. Accessing Relational Databases as Virtual RDF Graphs.
http://d2rq.org/
2. Describing Linked Datasets with the VoID Vocabulary (2011).
http://www.w3.org/TR/void/
3. A JSON-based Serialization for Linked Data. W3C Recommendation (2014).
http://www.w3.org/TR/json-ld/
4. Becker, C., Bizer, C.: Flickr wrappr: precise photo association.
http://wifo5-03.informatik.uni-mannheim.de/flickrwrappr/
5. Bizer, C., Cyganiak, R., Gauß, T.: The RDF book mashup: from web APIs to a web of data. In: Proc. of Scripting for the Semantic Web Workshop at the ESWC. CEUR Workshop Proceedings (2007), ISSN 1613–0073.
CEUR-WS.org/Vol-248/paper4.pdf