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# Oxigraph # Oxigraph-handlegraph
[![Latest Version](https://img.shields.io/crates/v/oxigraph.svg)](https://crates.io/crates/oxigraph) [Oxigraph](https://github.com/oxigraph/oxigraph) is a graph database implementing the [SPARQL](https://www.w3.org/TR/sparql11-overview/) standard.
[![Released API docs](https://docs.rs/oxigraph/badge.svg)](https://docs.rs/oxigraph)
[![PyPI](https://img.shields.io/pypi/v/pyoxigraph)](https://pypi.org/project/pyoxigraph/)
[![npm](https://img.shields.io/npm/v/oxigraph)](https://www.npmjs.com/package/oxigraph)
[![actions status](https://github.com/oxigraph/oxigraph/workflows/build/badge.svg)](https://github.com/oxigraph/oxigraph/actions)
[![dependency status](https://deps.rs/repo/github/oxigraph/oxigraph/status.svg)](https://deps.rs/repo/github/oxigraph/oxigraph)
[![Gitter](https://badges.gitter.im/oxigraph/community.svg)](https://gitter.im/oxigraph/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
[![Twitter URL](https://img.shields.io/twitter/url?style=social&url=https%3A%2F%2Ftwitter.com%2Foxigraph)](https://twitter.com/oxigraph)
Oxigraph is a graph database implementing the [SPARQL](https://www.w3.org/TR/sparql11-overview/) standard. This is a fork of oxigraph that includes [rs-handlegraph](https://github.com/chfi/rs-handlegraph).
The purpose is to make pangenomic GFA-files accessible with SPARQL queries.
Its goal is to provide a compliant, safe, and fast graph database based on the [RocksDB](https://rocksdb.org/) key-value store.
It is written in Rust.
It also provides a set of utility functions for reading, writing, and processing RDF files.
Oxigraph is in heavy development and SPARQL query evaluation has not been optimized yet.
The development roadmap is using [GitHub milestones](https://github.com/oxigraph/oxigraph/milestones?direction=desc&sort=completeness&state=open).
Oxigraph internal design [is described on the wiki](https://github.com/oxigraph/oxigraph/wiki/Architecture).
The future 0.4 release is currently in development in the [next branch](https://github.com/oxigraph/oxigraph/tree/next).
It is split into multiple parts:
- [The database written as a Rust library](https://crates.io/crates/oxigraph). Its source code is in the `lib` directory.
[![Latest Version](https://img.shields.io/crates/v/oxigraph.svg)](https://crates.io/crates/oxigraph)
[![Released API docs](https://docs.rs/oxigraph/badge.svg)](https://docs.rs/oxigraph)
- [`pyoxigraph` that exposes Oxigraph to the Python world](https://pyoxigraph.readthedocs.io/). Its source code is in the `python` directory. [![PyPI](https://img.shields.io/pypi/v/pyoxigraph)](https://pypi.org/project/pyoxigraph/)
- [JavaScript bindings for Oxigraph](https://www.npmjs.com/package/oxigraph). WebAssembly is used to package Oxigraph into a NodeJS compatible NPM package. Its source code is in the `js` directory.
[![npm](https://img.shields.io/npm/v/oxigraph)](https://www.npmjs.com/package/oxigraph)
- [Oxigraph server](https://crates.io/crates/oxigraph_server) that provides a standalone binary of a web server implementing the [SPARQL 1.1 Protocol](https://www.w3.org/TR/sparql11-protocol/) and the [SPARQL 1.1 Graph Store Protocol](https://www.w3.org/TR/sparql11-http-rdf-update/). Its source code is in the `server` directory.
[![Latest Version](https://img.shields.io/crates/v/oxigraph_server.svg)](https://crates.io/crates/oxigraph_server)
Oxigraph implements the following specifications: Oxigraph implements the following specifications:
@ -38,8 +11,6 @@ Oxigraph implements the following specifications:
- [Turtle](https://www.w3.org/TR/turtle/), [TriG](https://www.w3.org/TR/trig/), [N-Triples](https://www.w3.org/TR/n-triples/), [N-Quads](https://www.w3.org/TR/n-quads/), and [RDF XML](https://www.w3.org/TR/rdf-syntax-grammar/) RDF serialization formats for both data ingestion and retrieval using the [Rio library](https://github.com/oxigraph/rio). - [Turtle](https://www.w3.org/TR/turtle/), [TriG](https://www.w3.org/TR/trig/), [N-Triples](https://www.w3.org/TR/n-triples/), [N-Quads](https://www.w3.org/TR/n-quads/), and [RDF XML](https://www.w3.org/TR/rdf-syntax-grammar/) RDF serialization formats for both data ingestion and retrieval using the [Rio library](https://github.com/oxigraph/rio).
- [SPARQL Query Results XML Format](https://www.w3.org/TR/rdf-sparql-XMLres/), [SPARQL 1.1 Query Results JSON Format](https://www.w3.org/TR/sparql11-results-json/) and [SPARQL 1.1 Query Results CSV and TSV Formats](https://www.w3.org/TR/sparql11-results-csv-tsv/). - [SPARQL Query Results XML Format](https://www.w3.org/TR/rdf-sparql-XMLres/), [SPARQL 1.1 Query Results JSON Format](https://www.w3.org/TR/sparql11-results-json/) and [SPARQL 1.1 Query Results CSV and TSV Formats](https://www.w3.org/TR/sparql11-results-csv-tsv/).
A preliminary benchmark [is provided](bench/README.md). There is also [a document describing Oxigraph technical architecture](https://github.com/oxigraph/oxigraph/wiki/Architecture).
When cloning this codebase, don't forget to clone the submodules using When cloning this codebase, don't forget to clone the submodules using
`git clone --recursive https://github.com/oxigraph/oxigraph.git` to clone the repository including submodules or `git clone --recursive https://github.com/oxigraph/oxigraph.git` to clone the repository including submodules or
`git submodule update --init` to add the submodules to the already cloned repository. `git submodule update --init` to add the submodules to the already cloned repository.
@ -47,10 +18,8 @@ When cloning this codebase, don't forget to clone the submodules using
## Help ## Help
Feel free to use [GitHub discussions](https://github.com/oxigraph/oxigraph/discussions) or [the Gitter chat](https://gitter.im/oxigraph/community) to ask questions or talk about Oxigraph. Feel free to ask [heringerp](https://github.com/heringerp) for help.
[Bug reports](https://github.com/oxigraph/oxigraph/issues) are also very welcome. [Bug reports](https://github.com/heringerp/oxigraph/issues) are also very welcome.
If you need advanced support or are willing to pay to get some extra features, feel free to reach out to [Tpt](https://github.com/Tpt/).
## License ## License
@ -67,14 +36,3 @@ at your option.
### Contribution ### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Oxigraph by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Oxigraph by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
## Sponsors
* [RelationLabs](https://relationlabs.ai/) that is building [Relation-Graph](https://github.com/relationlabs/Relation-Graph), a SPARQL database module for the [Substrate blockchain platform](https://substrate.io/) based on Oxigraph.
* [Field 33](https://field33.com) that is building [an ontology management plateform](https://plow.pm/).
* [Magnus Bakken](https://github.com/magbak) who is building [chrontext](https://github.com/magbak/chrontext), providing a SPARQL query endpoint on top of joint RDF and time series databases.
* [ACE IoT Solutions](https://aceiotsolutions.com/), a building IOT platform.
* [Albin Larsson](https://byabbe.se/) who is building [GovDirectory](https://www.govdirectory.org/), a directory of public agencies based on Wikidata.
And [others](https://github.com/sponsors/Tpt). Many thanks to them!

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