DBMS > Stardog
Stardog System Properties
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|Editorial information provided by DB-Engines|
|Description||Enterprise Knowledge Graph and graph DBMS with high availability and high performance reasoning|
|Primary database model||Graph DBMS|
|Current release||6.2.3, July 2019|
|License Commercial or Open Source||commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students|
|Cloud-based only Only available as a cloud service||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||Linux|
|Data scheme||schema-free and OWL/RDFS-schema support|
|Typing predefined data types such as float or date||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no Import/export of XML data possible|
|Secondary indexes||yes supports real-time indexing in full-text and geospatial|
|SQL Support of SQL||SPARQL is used as query language|
|APIs and other access methods||GraphQL query language|
Jena RDF API
Sesame REST HTTP Protocol
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||user defined functions and aggregates, HTTP Server extensions in Java|
|Triggers||yes via event handlers|
|Partitioning methods Methods for storing different data on different nodes||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Master-master replication in HA-Cluster|
|MapReduce Offers an API for user-defined Map/Reduce methods||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency in HA-Cluster|
|Foreign keys Referential integrity||yes relationships in graphs|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID|
|Concurrency Support for concurrent manipulation of data||yes|
|Durability Support for making data persistent||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||Access rights for users and roles|
|More information provided by the system vendor|
Stardog is a knowledge graph platform backed by a performant, scalable graph database. Stardog is scalable, secure, and standards-based.
Customers enjoy Stardog because the platform:
Stardog is uniquely designed to aid in data integration for your complex data. Benefits include:
|Typical application scenarios|
Stardog is frequently used for:
Bosch, Dow Jones, Elsevier, Ericsson, Morgan Stanley, NASA, NIH, Nokia, Salesforce, Siemens, Springer, Raytheon and more — https://www.stardog.com/customers/
Stardog's technology is based on ground-breaking research by our founders cited 10,000+ times.
|Licensing and pricing models|
A fully-featured 60-day Trial license is available for those testing Stardog; contact us if you need an extension! https://www.stardog.com/download/ Commercial applications require an enterprise license.
Academics and students have a 1-year fully-featured trial for non-commercial purposes https://www.stardog.com/download-for-education/
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