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DBMS > Blueflood vs. OpenMLDB vs. RDFox

System Properties Comparison Blueflood vs. OpenMLDB vs. RDFox

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonOpenMLDB  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraAn open-source machine learning database that provides a feature platform for training and inferenceHigh performance knowledge graph and semantic reasoning engine
Primary database modelTime Series DBMSTime Series DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Websiteblueflood.ioopenmldb.aiwww.oxfordsemantic.tech
Technical documentationgithub.com/­rax-maas/­blueflood/­wikiopenmldb.ai/­docs/­zh/­maindocs.oxfordsemantic.tech
DeveloperRackspace4 Paradigm Inc.Oxford Semantic Technologies
Initial release201320202017
Current release2024-2 February 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++, Java, ScalaC++
Server operating systemsLinux
OS X
LinuxLinux
macOS
Windows
Data schemepredefined schemeFixed schemayes infoRDF schemas
Typing infopredefined data types such as float or dateyesyesyes
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
Secondary indexesnoyes
SQL infoSupport of SQLnoyesno
APIs and other access methodsHTTP RESTJDBC
SQLAlchemy
RESTful HTTP API
SPARQL 1.1
Supported programming languagesC++
Go
Java
Python
Scala
C
Java
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandrahorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardRoles, resources, and access types

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More resources
BluefloodOpenMLDBRDFox
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