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DBMS > GRAKN.AI vs. Stardog

System Properties Comparison GRAKN.AI vs. Stardog

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Editorial information provided by DB-Engines
NameGRAKN.AI  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionGrakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.Semantic graph DBMS, developed in Java
Primary database modelGraph DBMS
Relational DBMS infoOften described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
Graph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#269  Overall
#25  Graph DBMS
#124  Relational DBMS
Score0.81
Rank#166  Overall
#12  Graph DBMS
#7  RDF stores
Websitegrakn.aiwww.stardog.com
Technical documentationdev.grakn.ai/­docswww.stardog.com/­docs
DeveloperGrakn Labs LtdComplexible Inc.
Initial release20162010
Current release1.4.3, December 20184.2.4, March 2017
License infoCommercial or Open SourceOpen Source infoGPL Version 3, commercial licenses availablecommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava
Server operating systemsLinux
OS X
Unix
Windows
All OS with a Java VM
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono infoImport/export of XML data possible
Secondary indexesyesyes
SQL infoSupport of SQLnoSPARQL is used as query language
APIs and other access methodsJava API
Proprietary protocol infoGraql
RESTful HTTP API
HTTP API
OWL
SPARQL
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Supported programming languagesAll JVM based languages
Groovy
Java
Scala
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresnono
Triggersnoyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoby using CassandraMaster-master replication in HA-Cluster infousing Apache ZooKeeper
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoby using Apache Kafka and Apache Zookeeperno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoon in-memory graph
Immediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes infoat REST API level; other APIs in progressAccess rights for users and roles
More information provided by the system vendor
GRAKN.AIStardog
Specific characteristicsGRAKN.AI makes working with complex data easy by providing: An ontology as a flexible...
» more
Competitive advantagesExpressive data model: Grakn allows you to model the real world. Logical integrity...
» more
Typical application scenariosSemantic Search: GRAKN.AI allows you to accurately understanding of a query's intent...
» more
Licensing and pricing modelsOpen Source (GPLv3) and Commercial. The commercial license will be priced based cluster...
» more

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More resources
GRAKN.AIStardog
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