DBMS > Grakn
Grakn System Properties
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|Editorial information provided by DB-Engines|
|Description||Grakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.|
|Primary database model||Graph DBMS|
Relational DBMS Often described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
|Current release||1.6.2, January 2020|
|License Commercial or Open Source||Open Source GPL Version 3, commercial licenses available|
|Cloud-based only Only available as a cloud service||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||Linux|
|Typing predefined data types such as float or date||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|
|SQL Support of SQL||no|
|APIs and other access methods||console (shell)|
Workbase (visualisation software)
|Supported programming languages||All JVM based languages|
|Server-side scripts Stored procedures||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding by using Cassandra|
|Replication methods Methods for redundantly storing data on multiple nodes||Master-master replication by using Cassandra|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes by using Apache Kafka and Apache Zookeeper|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||no substituted by the relationship feature|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID|
|Concurrency Support for concurrent manipulation of data||yes|
|Durability Support for making data persistent||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||yes at REST API level; other APIs in progress|
|More information provided by the system vendor|
Grakn is the knowledge graph to organise complex networks of data and making it queryable, by performing knowledge engineering.
Visit GRAKN.AI to learn more.
Visit Grakn and Graql to learn more.
|Typical application scenarios|
|Licensing and pricing models|
AGPL and Commercial.
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