"RDBMS, Relational Database, Graph Database, Database, Middleware, ETL, Data Integration, Virtual Database, LOD Cloud, Data Lake, Big Data, NoSQL, NewSQL, ODBC, JDBC, ADO.NET, OLE-DB" . . "Software > Computer Software > Business & Productivity Software"^^ . . "Windows, Linux, MacOSX, Unix, Solaris" . "Daas" . . . . . . . . "Virtuoso" . . . . . "Daas" . "Daas"^^ . . . . . . . "Daas"^^ . .