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DBMS > GeoMesa vs. OpenMLDB vs. OpenQM vs. RDFox

System Properties Comparison GeoMesa vs. OpenMLDB vs. OpenQM vs. RDFox

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.An open-source machine learning database that provides a feature platform for training and inferenceQpenQM is a high-performance, self-tuning, multi-value DBMSHigh performance knowledge graph and semantic reasoning engine
Primary database modelSpatial DBMSTime Series DBMSMultivalue DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.86
Rank#205  Overall
#4  Spatial DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Websitewww.geomesa.orgopenmldb.aiwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.oxfordsemantic.tech
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmlopenmldb.ai/­docs/­zh/­maindocs.oxfordsemantic.tech
DeveloperCCRi and others4 Paradigm Inc.Rocket Software, originally Martin PhillipsOxford Semantic Technologies
Initial release2014202019932017
Current release5.0.0, May 20242024-2 February 20243.4-126.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open SourceOpen Source infoGPLv2, extended commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaC++, Java, ScalaC++
Server operating systemsLinuxAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
macOS
Windows
Data schemeyesFixed schemayes infowith some exceptionsyes 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.nonoyes
Secondary indexesyesyesyes
SQL infoSupport of SQLnoyesnono
APIs and other access methodsJDBC
SQLAlchemy
RESTful HTTP API
SPARQL 1.1
Supported programming languagesC++
Go
Java
Python
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
C
Java
Server-side scripts infoStored proceduresnonoyes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layerhorizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layerSource-replica replicationyesreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerImmediate ConsistencyImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.depending on storage layeryesyes
User concepts infoAccess controlyes infodepending on the DBMS used for storagefine grained access rights according to SQL-standardAccess rights can be defined down to the item levelRoles, resources, and access types

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More resources
GeoMesaOpenMLDBOpenQM infoalso called QMRDFox
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