- From: Enrico Franconi <franconi@inf.unibz.it>
- Date: Sat, 21 May 2011 00:04:30 +0200
- To: Richard Cyganiak <richard@cyganiak.de>
- Cc: W3C RDB2RDF <public-rdb2rdf-wg@w3.org>
On 20 May 2011, at 19:36, Richard Cyganiak wrote: > Your argument hinges on a claim that one proposal is correct, and another is incorrect. Can you state the criteria that an RDB2RDF mapping has to fulfill so that you consider it correct and complete? As I say in the wiki, I consider the query answering (QA) problem. A translation from data and queries in RDB/SQL to RDF/SPARQL is sound whenever any tuple returned in the translated QA problem is also returned in the original QA problem; it is complete if any tuple returned in the original QA problem is also returned in the translated QA problem. --e.
Received on Friday, 20 May 2011 22:04:59 UTC