Stardog is the world's leading semantic graph database: RDF, SPARQL, and OWL in one enterprise-ready, pure Java system.
Unmatched query performance
ACID, Integrity Constraints, RBAC security
Best developer UX ever!
For RDF graph queries
Supports OWL 2 and SWRL
Client-server, embedded...maximum flexibility
Great docs that make your life easier
Full text, semantically typed search out of the box
Stardog is a fast, commercial RDF database:
SPARQL for queries; OWL for reasoning;
pure Java for the Enterprise.
Stardog combines enterprise-ready RDF storage, querying, reasoning and custom rules...in one product. Within minutes, I was able to install Stardog...and start querying and reasoning over my models. It does exactly what I expect it to do.
...Stardog is hands down the best product on the market. Everything from the fantastic simplistic installation to the excellent performance even on modest hardware makes it a pleasure to work with...
Stardog has performed exceptionally well in our environment, which uses a complex ontology. Storage of triples and query execution are fast! Combining performance with features like Pellet reasoning and integrity checking results in a great base for our application...
We rely on Stardog to deliver critical query performance for complex queries. The team behind Stardog knows the ins-and-outs of executing SPARQL query semantics precisely and optimally. Simply put, it has a great feature set, is very reliable and performs beautifully...