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DBMS > Qdrant vs. Quasardb vs. RDFox vs. SiteWhere

System Properties Comparison Qdrant vs. Quasardb vs. RDFox vs. SiteWhere

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Editorial information provided by DB-Engines
NameQdrant  Xexclude from comparisonQuasardb  Xexclude from comparisonRDFox  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionA high-performance vector database with neural network or semantic-based matchingDistributed, high-performance timeseries databaseHigh performance knowledge graph and semantic reasoning engineM2M integration platform for persisting/querying time series data
Primary database modelVector DBMSTime Series DBMSGraph DBMS
RDF store
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.28
Rank#167  Overall
#8  Vector DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitegithub.com/­qdrant/­qdrant
qdrant.tech
quasar.aiwww.oxfordsemantic.techgithub.com/­sitewhere/­sitewhere
Technical documentationqdrant.tech/­documentationdoc.quasar.ai/­masterdocs.oxfordsemantic.techsitewhere1.sitewhere.io/­index.html
DeveloperQdrantquasardbOxford Semantic TechnologiesSiteWhere
Initial release2021200920172010
Current release3.14.1, January 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustC++C++Java
Server operating systemsDocker
Linux
macOS
Windows
BSD
Linux
OS X
Windows
Linux
macOS
Windows
Linux
OS X
Windows
Data schemeschema-freeschema-freeyes infoRDF schemaspredefined scheme
Typing infopredefined data types such as float or dateNumbers, Strings, Geo, Booleanyes infointeger and binaryyesyes
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.nonono
Secondary indexesyes infoKeywords, numberic ranges, geo, full-textyes infowith tagsno
SQL infoSupport of SQLnoSQL-like query languagenono
APIs and other access methodsgRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
HTTP APIRESTful HTTP API
SPARQL 1.1
HTTP REST
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C
Java
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesCollection-level replicationSource-replica replication with selectable replication factorreplication via a shared file systemselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency, tunable consistencyImmediate ConsistencyImmediate 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 dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient modeyesno
User concepts infoAccess controlKey-based authenticationCryptographically strong user authentication and audit trailRoles, resources, and access typesUsers with fine-grained authorization concept

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More resources
QdrantQuasardbRDFoxSiteWhere
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