1. RDF.
http://www.w3.org/rdf/
2. Sakr, S., Al-Naymat, G.: Relational processing of RDF queries. ACM SIGMOD Rec. 38(4), 23 (2010).
https://doi.org/10.1145/1815948.1815953
3. Aswamenakul, C., Buranarach, M.: A review and design of framework for storing and querying RDF data using NoSQL database, pp. 1–4 (n.d.)
4. Voldemort (n.d.).
http://www.project-voldemort.com/voldemort/
. Accessed 21 July 2017
5. Haque, A., Perkins, L.: Distributed RDF triple store using HBase and Hive (2012)