DBMS > Blazegraph vs. Stardog
System Properties Comparison Blazegraph vs. Stardog
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|Editorial information provided by DB-Engines|
|Name||Blazegraph Xexclude from comparison||Stardog Xexclude from comparison|
|Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.|
|Description||High-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.||Semantic graph DBMS, developed in Java|
|Primary database model||Graph DBMS|
|Current release||2.1.4, August 2016||4.2.4, March 2017|
|License Commercial or Open Source||Open Source extended commercial license available||commercial Limited community edition free|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|All OS with a Java VM|
|Typing predefined data types such as float or date||yes RDF literal types||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no Import/export of XML data possible|
|SQL Support of SQL||SPARQL is used as query language||SPARQL is used as query language|
|APIs and other access methods||Java API|
RESTful HTTP API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||yes||no|
|Triggers||no||yes via event handlers|
|Partitioning methods Methods for storing different data on different nodes||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Master-master replication in HA-Cluster using Apache ZooKeeper|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency or Eventual Consistency depending on configuration||Immediate Consistency in HA-Cluster|
|Foreign keys Referential integrity||yes Relationships in Graphs||yes relationships in graphs|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||Security and Authentication via Web Application Container (Tomcat, Jetty)||Access rights for users and roles|
|More information provided by the system vendor|
Blazegraph 2.1.4 Release
Blazegraph 2.1.2 Release
Blazegraph 2.1.1 Release!
Blazegraph 2.1.0 Release!
Blazegraph 2.0.0 Release!
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ANALYST, IT, SR
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