Parliament

7.1easy start · #11 of 26
in RDF Databases

Runs on Linux, Mac, self-hosted, Windows.

Parliament is ranked #11 of 26 in RDF databases on The Geeks Club. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Parliament plans and pricing

Parliament Free BSD 3-Clause open source software github.com · 4 Oct 2026

RDFox 0 of 4 in the starter kit Lesson 17.9 Tentris 0 of 4 in the starter kit Lesson 27.9 Fluree DB 0 of 4 in the starter kit Lesson 37.4 GraphDB 0 of 4 in the starter kit Lesson 47.4 Apache Jena Fuseki 0 of 4 in the starter kit Lesson 57.3 QLever 0 of 4 in the starter kit Lesson 67.3

Product: Parliament is a high-performance triple store and reasoner designed for the Semantic Web.
Standards: The project describes Parliament as a standards-compliant triple store for RDF, OWL, and SPARQL.
License: The source is distributed under the BSD 3-Clause License.
Origin: Its initial development was funded by DARPA through the DAML program, and Raytheon BBN Technologies later extended it for internal R&D use.
Release: The repository README reports Parliament version 2.8.1 released on June 9, 2022.
Container: The 2.8.1 release included a Docker Hub image named idemmons/parliament:2.8.1.
Storage: The release separates software and data files, with the data directory configurable through kbDirectoryPath in ParliamentKbConfig.txt.
Deployment: The release notes document systemd service installation support on Linux/UNIX and a PowerShell startup script on Windows.
Query timeout: The 2019 release notes say long-running queries now time out.
Rules: The 2019 release notes say a SWRL rules engine was added.
Security documentation: The 2.8.1 release notes mention a new section detailing how to secure a Parliament instance.
License warranty: The license provides the software “AS IS” and disclaims express and implied warranties.
Founded: 2009
Price from: Free

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.