neo4j
Neo4j is a graph database management system
- Snippet from Wikipedia: Neo4j
Neo4j, Inc. is a global graph intelligence company that provides technology for analyzing and managing connected data.
It is most know for creating the Neo4j Graph database, a graph database management system (GDBMS). The data elements Neo4j stores are nodes, edges connecting them and attributes of nodes and edges. Described by its developers as an ACID-compliant transactional database with native graph storage and processing, Neo4j is available in a non-open-source "community edition" licensed with a modification of the GNU General Public License, with online backup and high availability extensions licensed under a closed-source commercial license. Neo also licenses Neo4j with these extensions under closed-source commercial terms.
Neo4j is implemented in Java and accessible from software written in other languages using the Cypher query language through a transactional HTTP endpoint, or through the binary "Bolt" protocol.
The company contributed to the development of the Graph Query Language (GQL), an ISO-standardized query language for property graphs.
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Neo4j is a graph database management system. It is highly flexible, highly scalable, and uses the Cypher query language to take advantage of its graph-based method of structuring data.