. "Facebook Hashtag: Knowledge Graph"@en . "FacebookTagRDBMS:this" . "Facebook Hashtag: RDBMS"@en . "Used to associate Facebook posts with the RDBMS Concept."@en . . . "#KnowledgeGraph" . "Used to associate Facebook posts with the Knowledge Graph Concept."@en . "FacebookTagKnowledgeGraph:this" . . . "#RDBMS" . . . . . . . . . . .