# Oxigraph

> SPARQL graph database system

**Wikidata**: [Q118980507](https://www.wikidata.org/wiki/Q118980507)  
**Source**: https://4ort.xyz/entity/oxigraph

## Summary
Oxigraph is a SPARQL graph database system and triplestore designed for knowledge graph storage, querying, and API management. It is free software developed by researcher Thomas Pellissier Tanon and is built to function as a semantic web software application.

## Key Facts
- **Developer:** Thomas Pellissier Tanon, a French researcher and doctoral student.
- **Initial Release:** Version 0.1.0 was released on August 9, 2020.
- **Licenses:** Dual-licensed under the Apache Software License 2.0 and the MIT License.
- **Core Technologies:** Utilizes SPARQL for querying and RocksDB for storage.
- **Programming Language:** Developed using Rust (Q575650).
- **Classifications:** Categorized as a graph database management system, triplestore, and semantic web software.
- **Latest Version:** Version 0.3.1 was released on April 2, 2022.
- **Last Update:** The system was last updated on June 14, 2024.

## FAQs
### Q: What is the primary purpose of Oxigraph?
A: Oxigraph is used for knowledge graph storage and querying. It serves as a triplestore and a graph database management system that provides an API for interacting with knowledge graphs using SPARQL.

### Q: Who is the creator of Oxigraph?
A: Oxigraph was created and developed by Thomas Pellissier Tanon. He is a French programmer, researcher, and doctoral student born in 2000.

### Q: Is Oxigraph open-source software?
A: Yes, Oxigraph is classified as free software. It is distributed under the terms of the Apache Software License 2.0 and the MIT License, with its source code hosted on GitHub.

## Why It Matters
Oxigraph serves as a specialized tool within the semantic web ecosystem, providing a bridge between low-level storage and high-level graph querying. By implementing the SPARQL standard and utilizing RocksDB for its underlying storage engine, it offers a structured framework for developers to build and manage knowledge graph APIs. Its status as free software, maintained by a dedicated researcher in the field, ensures it remains an accessible resource for the study and distribution of graph-based data systems. It addresses the specific needs of knowledge graph storage and retrieval, making it a relevant component for applications requiring structured linked data management.

## Notable For
- **Dual-Licensing:** Distributed under both MIT and Apache 2.0 licenses, providing high flexibility for users.
- **Storage Engine:** Integration of RocksDB as the primary storage layer for graph data.
- **Academic Origins:** Developed by Thomas Pellissier Tanon, a researcher and doctoral student specializing in programming and data systems.
- **Community Recognition:** Described and listed by the "awesome RDF" GitHub page as a notable semantic web tool.

## Body

### Technical Specifications
Oxigraph is a graph database management system implemented in the Rust programming language (Q575650). It is designed to handle several specific use cases:
*   Knowledge graph storage and querying.
*   Functioning as a triplestore.
*   Providing a dedicated knowledge graph API.

The system relies on **RocksDB** for its storage capabilities and supports **SPARQL** as its primary query language.

### Development History
The project was initiated by Thomas Pellissier Tanon. Key release milestones include:
*   **v0.1.0:** August 9, 2020 (Initial release).
*   **v0.2.0:** January 7, 2021.
*   **v0.3.0:** March 19, 2022.
*   **v0.3.1:** April 2, 2022.

The software has maintained an active development cycle, with the most recent recorded update occurring on June 14, 2024.

### Distribution and Licensing
Oxigraph is copyrighted but distributed as free software. It is available through a public source code repository on GitHub, which also hosts its issue tracker. The project maintains a social presence on Twitter (now X) under the handle @oxigraph, which has been active since January 2021.

### Classification and Genre
In the context of software genres, Oxigraph is classified as an application programming interface (API) and semantic web software. It is recognized within the RDF (Resource Description Framework) community, specifically appearing on the "awesome RDF" GitHub resource list.

## References

1. [Source](https://github.com/oxigraph/oxigraph/graphs/contributors)
2. [Source](https://github.com/oxigraph/oxigraph#license)
3. [Source](https://github.com/oxigraph/oxigraph)
4. [Release 0.1.0. 2020](https://github.com/oxigraph/oxigraph/releases/tag/v0.1.0)
5. [Release 0.1.1. 2020](https://github.com/oxigraph/oxigraph/releases/tag/v0.1.1)
6. [Release 0.2.0. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.0)
7. [Release 0.2.1. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.1)
8. [Release 0.2.2. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.2)
9. [Release 0.2.3. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.3)
10. [Release 0.2.4. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.4)
11. [Release 0.2.5. 2021](https://github.com/oxigraph/oxigraph/releases/tag/v0.2.5)
12. [Release 0.3.0. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.0)
13. [Release 0.3.1. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.1)
14. [Release 0.3.2. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.2)
15. [Release 0.3.3. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.3)
16. [Release 0.3.4. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.4)
17. [Release 0.3.5. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.5)
18. [Release 0.3.6. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.6)
19. [Release 0.3.7. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.7)
20. [Release 0.3.8. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.8)
21. [Release 0.3.9. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.9)
22. [Release 0.3.10. 2022](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.10)
23. [Release 0.3.11. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.11)
24. [Release 0.3.12. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.12)
25. [Release 0.3.13. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.13)
26. [Release 0.3.14. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.14)
27. [Release 0.3.15. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.15)
28. [Release 0.3.16. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.16)
29. [Release 0.3.17. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.17)
30. [Release 0.3.18. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.18)
31. [Release 0.3.19. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.19)
32. [Release 0.3.20. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.20)
33. [Release 0.3.21. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.21)
34. [Release 0.3.22. 2023](https://github.com/oxigraph/oxigraph/releases/tag/v0.3.22)
35. [Release 0.4.0. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.0)
36. [Release 0.4.1. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.1)
37. [Release 0.4.2. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.2)
38. [Release 0.4.3. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.3)
39. [Release 0.4.4. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.4)
40. [Release 0.4.5. 2024](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.5)
41. [Release 0.4.6. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.6)
42. [Release 0.4.7. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.7)
43. [Release 0.4.8. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.8)
44. [Release 0.4.9. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.9)
45. [Release 0.4.10. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.10)
46. [Release 0.4.11. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.4.11)
47. [Release 0.5.0. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.5.0)
48. [Release 0.5.1. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.5.1)
49. [Release 0.5.2. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.5.2)
50. [Release 0.5.3. 2025](https://github.com/oxigraph/oxigraph/releases/tag/v0.5.3)