FYI: See this recent paper by Google Research and IBM Watson Research: SQLGraph: An Efficient Relational-Based Property Graph Store http://research.google.com/

FYI: See this recent paper by Google Research and IBM Watson Research: SQLGraph: An Efficient Relational-Based Property Graph Store http://research.google.com/pubs/archive/43287.pdf http://research.google.com/pubs/archive/43287.pdf Previous discussion: https://news.ycombinator.com/item?id=11101013 https://news.ycombinator.com/item?id=11101013