Olap4ld Architecture

Overall architecture

Components

• Olap4ld - Olap4j Driver Component
  • olap4j
  • MDX
• Olap4ld - Linked Data Cubes Component
  • Olap4ld Linked Data Cubes Engine
    • EmbeddedSesameEngine
    • SesameEngine
    • OpenVirtuosoEngine
    • ...
  • The RDF Data Cube Vocabulary
• Interfaces
  • Metadata Queries
  • Analytical/OLAP Queries
  • ResultSet
  • CellSet
  • Restrictions
  • Metadata result: List<Node[]> - Olap4ld Metadata Schema
  • Logical Query Plan
  • Physical Query Plan
  • Query result: List<Node[]>

Class diagram