FYI: Vadim Eisenberg's D2RQ/Update extension (http://d2rqupdate.cs.technion.ac.il/) will be presented next week in a poster session at WWW2012 conference <http://www2012.wwwconference.org/> in Lyon, France. See the poster here - http://d2rqupdate.cs.technion.ac.il/wpp179-eisenberg.pdf .
About D2RQ and D2RQ/Update: The popular one source RDB to RDF mapping platform - D2RQ (http://d2rq.org <http://d2rq.org/> ) provides only a read-only RDF view on relational databases. It enables executing SPARQL <http://www.w3.org/TR/rdf-sparql-query/> queries on data in relational databases, mapped to RDF. The goal of D2RQ/Update is to enable executing SPARQL/Update <http://www.w3.org/TR/2009/WD-sparql11-update-20091022/> statements, such as INSERT and DELETE, on the mapped data.
