DBMS > GRAKN.AI
GRAKN.AI 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.
|Additional database models||Key-value store|
|Developer||Grakn Labs Ltd|
|Current release||0.11, February 2017|
|License Commercial or Open Source||Open Source GPL Version 3, commercial licenses available|
|Cloud-based Only available as a cloud service||no|
|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 (almost entire) SQL standard (DML, DDL and DCL statements)||no|
|APIs and other access methods||Java API|
Proprietary protocol Graql
RESTful HTTP API
|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||Eventual Consistency|
Immediate Consistency on in-memory graph
|Foreign keys Referential integrity||yes|
|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.||yes|
|User concepts Access control||yes at REST API level; other APIs in progress|
|More information provided by the system vendor|
GRAKN.AI makes working with complex data easy by providing:
Learn more at: Introduction to GRAKN.AI
Learn more at: Why use GRAKN.AI?
|Typical application scenarios|
Learn more at: What can you build with GRAKN.AI?
|Licensing and pricing models|
Open Source (GPLv3) and Commercial.
The commercial license will be priced based cluster resources of a hosted GRAKN.AI in the cloud.
Contact our enterprise team for more details.
3rd party products and services
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