General graphs
- QLGDB is a Graph Database implemented with SQL, based on JSON data type and Common Table Expression(CTE)
- simple-graph is a simple graph database in SQLite, inspired by “SQLite as a document database”
- Maintaining Transitive Closure of Graphs in SQL
- Using a recursive CTE to traverse graphs of all kinds
- Graph Algorithms in a Database: Recursive CTEs and Topological Sort with Postgres
- grafito (SQLIte)
Property graphs
- SQLGraph: An Efficient Relational-Based Property Graph Store
- connectedpapers for SQLGraph
- All-in-One: Graph Processing in RDBMSs Revisited
- A Unified Relational Storage Scheme for RDF and Property Graphs
- On efficiently storing huge property graphs in relational database management systems
- An approach to efficiently storing property graphs in relational databases
- Representation of graphs for storing in relational databases
- Efficient Property Projections of Graph Queries over Relational Data
RDF graphs
- Quetzal: SPARQL to SQL translation engine for multiple backends, such as DB2, PostgreSQL and Apache Spark.
- Building an efficient RDF store over a relational database
- Relational schema optimization for RDF-based knowledge graphs
- PRSC: from PG to RDF and back, using schemas