Tech riderRev. 4 Oct 2026

Parliament

Ch 215.8of 26 RDF Databases

1Runs onLinux, Mac, self-hosted, Windows
2CostsFree plan
3Deployment optionsself-hosted
4Reasoning supportYes

4 lines stated Written from the maker's own pages: github.com

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Overview

Parliament is ranked #21 of 26 in RDF databases on Specifiction. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Parliament plans and pricing

All plans

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

Compared on RDF databases

Deployment options: self-hostedgithub.com
Reasoning support: Yesgithub.com

Facts

Product: Parliament is a high-performance triple store and reasoner designed for the Semantic Web.github.com · 4 Oct 2026
Standards: The project describes Parliament as a standards-compliant triple store for RDF, OWL, and SPARQL.github.com · 4 Oct 2026
License: The source is distributed under the BSD 3-Clause License.github.com · 4 Oct 2026
Origin: Its initial development was funded by DARPA through the DAML program, and Raytheon BBN Technologies later extended it for internal R&D use.github.com · 4 Oct 2026
Release: The repository README reports Parliament version 2.8.1 released on June 9, 2022.github.com · 4 Oct 2026
Container: The 2.8.1 release included a Docker Hub image named idemmons/parliament:2.8.1.github.com · 4 Oct 2026
Storage: The release separates software and data files, with the data directory configurable through kbDirectoryPath in ParliamentKbConfig.txt.github.com · 4 Oct 2026
Deployment: The release notes document systemd service installation support on Linux/UNIX and a PowerShell startup script on Windows.github.com · 4 Oct 2026
Query timeout: The 2019 release notes say long-running queries now time out.github.com · 4 Oct 2026
Rules: The 2019 release notes say a SWRL rules engine was added.github.com · 4 Oct 2026
Security documentation: The 2.8.1 release notes mention a new section detailing how to secure a Parliament instance.github.com · 4 Oct 2026
License warranty: The license provides the software “AS IS” and disclaims express and implied warranties.github.com · 4 Oct 2026