# MillenniumDB

> graph database system implemented in C++

**Wikidata**: [Q118954995](https://www.wikidata.org/wiki/Q118954995)  
**Source**: https://4ort.xyz/entity/millenniumdb

## Summary
MillenniumDB is an open-source graph database management system implemented in C++. It is licensed under the GNU General Public License, version 2.0, and supports the SPARQL 1.1 Query Language. The project is hosted on GitHub, where its source code is freely available for use and redistribution.

## Key Facts
- **Open-source software**: MillenniumDB is freely available under a permissive license, allowing users to access and redistribute its original source code.
- **Graph database system**: It is designed to manage and query graph-structured data, implemented in C++.
- **SPARQL support**: The system implements the SPARQL 1.1 Query Language for querying graph data.
- **License**: GNU General Public License, version 2.0.
- **Source code repository**: Hosted on GitHub at [https://github.com/MillenniumDB/MillenniumDB](https://github.com/MillenniumDB/MillenniumDB).
- **Aliases**: Also known as MDB or MillDB.
- **Copyright status**: The software is copyrighted.

## FAQs
### Q: What programming language is MillenniumDB written in?
A: MillenniumDB is implemented in C++.

### Q: Is MillenniumDB open-source?
A: Yes, MillenniumDB is open-source software licensed under the GNU General Public License, version 2.0.

### Q: What query language does MillenniumDB support?
A: MillenniumDB implements the SPARQL 1.1 Query Language for querying graph data.

### Q: Where can I find the source code for MillenniumDB?
A: The source code is available on GitHub at [https://github.com/MillenniumDB/MillenniumDB](https://github.com/MillenniumDB/MillenniumDB).

### Q: What are the aliases for MillenniumDB?
A: MillenniumDB is also known as MDB or MillDB.

## Why It Matters
MillenniumDB is significant as an open-source graph database system that provides a flexible and efficient way to manage and query graph-structured data. Its implementation in C++ ensures performance and scalability, while its support for SPARQL 1.1 Query Language makes it accessible to users familiar with semantic web technologies. By being open-source, it empowers developers to customize and extend the system according to their needs, fostering innovation in graph database management. The project’s availability on GitHub also encourages community contributions and collaboration, further enhancing its development and adoption.

## Notable For
- **Open-source graph database**: MillenniumDB is one of the few open-source graph database systems, making it accessible to a wide range of users.
- **SPARQL 1.1 support**: Its implementation of SPARQL 1.1 Query Language sets it apart from many proprietary graph databases.
- **C++ implementation**: The use of C++ ensures high performance and efficiency in handling graph data.
- **Community-driven development**: Hosted on GitHub, it benefits from community contributions and collaborative improvements.
- **Permissive licensing**: The GNU General Public License, version 2.0, allows for broad use and redistribution without restrictive conditions.

## Body
### Overview
MillenniumDB is an open-source graph database management system implemented in C++. It is designed to store and query graph-structured data efficiently, leveraging the performance benefits of C++.

### Licensing and Accessibility
MillenniumDB is released under the GNU General Public License, version 2.0, which permits users to freely use, modify, and distribute the software. Its source code is hosted on GitHub, making it accessible to developers worldwide.

### Query Language Support
The system supports the SPARQL 1.1 Query Language, enabling users to perform complex queries on graph data. This feature makes it particularly useful for applications in semantic web and knowledge graph domains.

### Technical Implementation
- **Programming Language**: C++
- **Query Language**: SPARQL 1.1
- **License**: GNU General Public License, version 2.0
- **Source Code Repository**: [GitHub](https://github.com/MillenniumDB/MillenniumDB)

### Community and Development
MillenniumDB benefits from an active community of developers who contribute to its improvement and extension. The project’s open-source nature encourages collaboration and innovation in graph database technology.