techno.md

@@ -34,6 +34,10 @@
 * SPARQL endpoint to query the data
   * [OpenLink Virtuoso triplestore] `(C)`
 
+See also:
+ * *[What are the pros and cons of RDB2RDF tools?]* on Stack Overflow
+ * *[converter2rdf]* on the W3C wiki
+
 ### Web Server
   * [Apache HTTP Server]
   * [NGINX]
@@ -90,6 +94,8 @@
 [r2rml-api-rdf4j-bridge]:https://github.com/R2RML-api/R2RML-api
 [allegrograph]:http://franz.com/agraph/allegrograph/
 [marklogic]:http://www.marklogic.com/
+[What are the pros and cons of RDB2RDF tools?]:https://stackoverflow.com/questions/45476632/what-are-the-pros-and-cons-of-rdb2rdf-tools
+[converter2rdf]:https://www.w3.org/wiki/ConverterToRdf#SQL
 [nodejs]:https://nodejs.org/en/
 [mongodb]:https://www.mongodb.com/
 [django]:https://www.djangoproject.com/