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 SQL||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
We invite representatives of 3rd party vendors to contact us for presenting information about their offerings here.
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