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DBMS > OpenQM vs. RDFox vs. VelocityDB vs. Warp 10

System Properties Comparison OpenQM vs. RDFox vs. VelocityDB vs. Warp 10

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonRDFox  Xexclude from comparisonVelocityDB  Xexclude from comparisonWarp 10  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSHigh performance knowledge graph and semantic reasoning engineA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)TimeSeries DBMS specialized on timestamped geo data based on LevelDB or HBase
Primary database modelMultivalue DBMSGraph DBMS
RDF store
Graph DBMS
Object oriented DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#286  Overall
#10  Multivalue DBMS
Score0.08
Rank#328  Overall
#32  Graph DBMS
#17  RDF stores
Score0.04
Rank#340  Overall
#36  Graph DBMS
#18  Object oriented DBMS
Score0.19
Rank#295  Overall
#25  Time Series DBMS
Websitewww.openqm.comwww.oxfordsemantic.techvelocitydb.comwww.warp10.io
Technical documentationwww.openqm.com/­support/­documentationdocs.oxfordsemantic.techvelocitydb.com/­UserGuidewww.warp10.io/­content/­02_Getting_started
DeveloperMartin PhillipsVelocityDB IncSenX
Initial release1993201720112015
Current release3.4-125.2, June 20217.x
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availablecommercialcommercialOpen Source infoApache License 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#Java
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
macOS
Windows
Any that supports .NETLinux
OS X
Windows
Data schemeyes infowith some exceptionsyes infoRDF schemasyesschema-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.yesnono
Secondary indexesyesyesno
SQL infoSupport of SQLnononono
APIs and other access methodsRESTful HTTP API
SPARQL 1.1
.NetHTTP API
Jupyter
WebSocket
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
C
Java
.Net
Server-side scripts infoStored proceduresyesnoyes infoWarpScript
TriggersyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesyesyes
User concepts infoAccess controlAccess rights can be defined down to the item levelBased on Windows AuthenticationMandatory use of cryptographic tokens, containing fine-grained authorizations

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More resources
OpenQM infoalso called QMRDFoxVelocityDBWarp 10
Recent citations in the news

OpenQM
5 March 2019, International Spectrum Magazine

provided by Google News

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