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DBMS > GeoMesa vs. RDFox vs. Realm

System Properties Comparison GeoMesa vs. RDFox vs. Realm

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonRDFox  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.High performance knowledge graph and semantic reasoning engineA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelSpatial DBMSGraph DBMS
RDF store
Document store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.81
Rank#214  Overall
#4  Spatial DBMS
Score0.24
Rank#309  Overall
#25  Graph DBMS
#14  RDF stores
Score7.71
Rank#52  Overall
#9  Document stores
Websitewww.geomesa.orgwww.oxfordsemantic.techrealm.io
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmldocs.oxfordsemantic.techrealm.io/­docs
DeveloperCCRi and othersOxford Semantic TechnologiesRealm, acquired by MongoDB in May 2019
Initial release201420172014
Current release4.0.5, February 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache License 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaC++
Server operating systemsLinux
macOS
Windows
Android
Backend: server-less
iOS
Windows
Data schemeyesyes infoRDF schemasyes
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 indexesyesyes
SQL infoSupport of SQLnonono
APIs and other access methodsRESTful HTTP API
SPARQL 1.1
Supported programming languagesC
Java
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnono inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layernone
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layerreplication via a shared file systemnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes
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.depending on storage layeryesyes infoIn-Memory realm
User concepts infoAccess controlyes infodepending on the DBMS used for storageRoles, resources, and access typesyes

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GeoMesaRDFoxRealm
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