gStore

Spec sheet

Product

gStore is an open source database system for RDF knowledge graphs, also called a triple store.Read 8 Oct 2026 · gstore.cn

Integrations

The maker lists C++, Java, Python, PHP, and Node.js APIs, along with an HTTP service for web use.Read 8 Oct 2026 · gstore.cn

Support

The site lists [email protected] as a contact email.Read 8 Oct 2026 · gstore.cn

License

The project repository states that gStore is released under the BSD 3-Clause License, with some third-party libraries under their own licenses.Read 8 Oct 2026 · github.com

Headquarters

Beijing, ChinaRead 28 Sep 2026 · gstore.cn

Applications

Listed applications include a query system for worldwide microorganism researchers and publishing-resource management.Read 8 Oct 2026 · gstore.cn

Capacity

The standalone version supports management of RDF knowledge graphs with up to 5 billion triples.Read 8 Oct 2026 · gstore.cn

Data model

It uses a native graph model that preserves the graph structure of RDF knowledge graphs.Read 8 Oct 2026 · gstore.cn

Data operations

gStore supports RDF data insertion, deletion, and updates.Read 8 Oct 2026 · gstore.cn

Developer

The site says gStore was developed by the Data Management Lab of Peking University’s Institute of Computer Science and Technology.Read 8 Oct 2026 · gstore.cn

Download

The maker's download page offers a standalone gStore download and provides a direct-download link to GitHub.Read 8 Oct 2026 · gstore.cn

Extensibility

The product provides programmable interfaces for users to implement graph analysis algorithms and integrate them with SPARQL.Read 8 Oct 2026 · en.gstore.cn

Graph analytics

Built-in graph analysis algorithms include path enumeration, cycle detection, PageRank, triangle counting, and k-hop reachability.Read 8 Oct 2026 · en.gstore.cn

Graph model

gStore uses a native graph model that preserves the original RDF graph structure and a VS-tree index to accelerate subgraph matching queries.Read 8 Oct 2026 · gstore.cn

Language APIs

gStore provides APIs for C++, Java, Python, NodeJS, and PHP.Read 8 Oct 2026 · en.gstore.cn

Management tool

gStoreWorkbench is described as a platform for managing and maintaining gStore that can connect to instances on other hosts.Read 8 Oct 2026 · gstore.cn

Notable limit

The project repository says RDF data must be provided in N-Triple format and notes that not all SPARQL 1.1 syntax is supported, including property paths.Read 8 Oct 2026 · github.com

Platform requirement

The project repository says gStore works with Linux systems and amd64, arm64, and loongarch processors.Read 8 Oct 2026 · github.com

Query engine

gStore translates RDF SPARQL queries into subgraph-matching queries and uses a VS-tree index to accelerate them.Read 8 Oct 2026 · gstore.cn

Query language

gStore supports W3C SPARQL 1.1, including UNION, OPTIONAL, FILTER, and aggregate queries.Read 8 Oct 2026 · gstore.cn

SPARQL support

It supports SPARQL 1.1 queries including UNION, OPTIONAL, FILTER, and aggregate functions.Read 8 Oct 2026 · gstore.cn

Transactions and recovery

The site lists backup and restore operations and transactional support with three isolation levels.Read 8 Oct 2026 · en.gstore.cn

Workbench

gStoreWorkbench is described as a management platform that can connect to gStore instances on other hosts.Read 8 Oct 2026 · gstore.cn

Where Specifiction places it

• RDF Databases#18 of 267.5