NoSQL database - semanticweb.com

Introduction to: Triplestores

Juan Sequeda — Thu, 31 Jan 2013 15:30:54 +0000

Triplestores are Database Management Systems (DBMS) for data modeled using RDF. Unlike Relational Database Management Systems (RDBMS), which store data in relations (or tables) and are queried using SQL, triplestores store RDF triples and are queried using SPARQL.

A key feature of many triplestores is the ability to do inference. It is important to note that a DBMS typically offers the capacity to deal with concurrency, security, logging, recovery, and updates, in addition to loading and storing data. Not all Triplestores offer all these capabilities (yet).

Triplestore Implementations

Triplestores can be broadly classified in three types categories: Native triplestores, RDBMS-backed triplestores and NoSQL triplestores. continued…

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Stardog 1.0.2 Released by C&P

Angela Guess — Fri, 20 Jul 2012 11:00:29 +0000

C&P has released an update to Stardog, a NoSQL graph database. The article states, “C&P LLC, the company behind Stardog, today announced the release of Stardog 1.0.2. Stardog is a NoSQL graph database based on W3C semantic web standards: SPARQL, RDF, and OWL. Stardog is a key component in Linked Data-based information integration at Fortune 500 enterprises and governments around the world. The new release follows closely on last month’s launch of Stardog 1.0. The 1.0.2 release includes Stardog Community, a free version of Stardog for community use in academia, non-profit, and related sectors. Stardog is being used by customers in the areas of government, aerospace, financial, intelligence, defense, and at consumer-oriented startups.” continued…

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