DBMS > Blazegraph vs. Stardog vs. TempoIQ
System Properties Comparison Blazegraph vs. Stardog vs. TempoIQ
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|Editorial information provided by DB-Engines|
|Name||Blazegraph Xexclude from comparison||Stardog Xexclude from comparison||TempoIQ formerly TempoDB Xexclude from comparison|
|Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.||TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.|
|Description||High-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.||Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization||Scalable analytics DBMS for sensor data, provided as a service (SaaS)|
|Primary database model||Graph DBMS|
|Time Series DBMS|
|Current release||2.1.5, March 2019||7.3.0, May 2020|
|License Commercial or Open Source||Open Source extended commercial license available||commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|Data scheme||schema-free||schema-free and OWL/RDFS-schema support||schema-free|
|Typing predefined data types such as float or date||yes RDF literal types||yes||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||no|
|Secondary indexes||yes||yes supports real-time indexing in full-text and geospatial|
|SQL Support of SQL||SPARQL is used as query language||Yes, compatible with all major SQL variants through dedicated BI/SQL Server||no|
|APIs and other access methods||Java API|
RESTful HTTP API
|GraphQL query language|
Jena RDF API
Sesame REST HTTP Protocol
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||yes||user defined functions and aggregates, HTTP Server extensions in Java||no|
|Triggers||no||yes via event handlers||yes Realtime Alerts|
|Partitioning methods Methods for storing different data on different nodes||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Multi-source replication in HA-Cluster|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||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||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||Security and Authentication via Web Application Container (Tomcat, Jetty)||Access rights for users and roles||simple authentication-based access control|
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|Blazegraph||Stardog||TempoIQ formerly TempoDB|
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