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qEndpoint

github.com

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Spec score 7.4 #21 of 26 in RDF Databases

What it is

qEndpoint is a free, open-source RDF triple store for self-hosted linked-data workloads. It supports full-text search, GeoSPARQL, and SPARQL 1.1, either as a standalone endpoint or as a dependency. A graphical interface lets users write and run SPARQL queries, while a RESTful HTTP API handles queries. Datasets can be uploaded in RDF4J-supported formats, including RDF/XML, Turtle, N-Triples, N-Quads, JSON-LD, TriG, and TriX. Result formats include JSON, XML, and Binary RDF. Docker images are available for qEndpoint and for a Wikidata-indexed variant supporting wikidata_truthy and wikidata_all datasets. The Docker setup defaults to 6G memory; large datasets are discouraged below 4G, and Wikidata-all requires at least 10G. Installation documentation covers Scoop, Homebrew, and a CLI ZIP release. The project describes Wikibase use and is licensed under GNU GPL v3.

Spec sheet

Purpose
qEndpoint is a highly scalable RDF triple store with full-text and GeoSPARQL support.Read 8 Oct 2026 · github.com
Product
qEndpoint is a highly scalable RDF triple store with full-text and GeoSPARQL support.Read 4 Oct 2026 · github.com
Platforms
Endpoint installers are available for Linux, macOS, and Windows; the installers do not include the CLI.Read 8 Oct 2026 · github.com
Deployment
The project provides preconfigured Docker images for qEndpoint and qEndpoint with Wikidata data.Read 8 Oct 2026 · github.com
Integrations
The project lists Spring, RDF-HDT, and RDF4J under “Built With.”Read 8 Oct 2026 · github.com
Security
The project says it follows security practices but that 100% security cannot be assured, and is provided as is without warranty.Read 8 Oct 2026 · github.com
Support
The README directs users to GitHub issues, the maintainer’s profile contact options, or The QA Company website for support.Read 8 Oct 2026 · github.com
License
The project is licensed under GNU General Public License v3 with a notice.Read 8 Oct 2026 · github.com
Compatibility
The project lists Spring, RDF-HDT, and RDF4J under “Built With.”Read 4 Oct 2026 · github.com
Data formats
The README says datasets can be uploaded in formats supported by RDF4J and lists JSON, XML, and Binary RDF result formats.Read 4 Oct 2026 · github.com
Data loading
Datasets can be uploaded to a running endpoint, and the README says it supports formats used by RDF4J.Read 8 Oct 2026 · github.com
Features
The project describes support for full-text search and GeoSPARQL.Read 8 Oct 2026 · github.com
Installation
The README documents installation through Scoop and Homebrew and offers the CLI as a ZIP release asset.Read 4 Oct 2026 · github.com
Interfaces
It provides a GUI for writing and executing SPARQL queries and a RESTful API for HTTP queries.Read 8 Oct 2026 · github.com
Memory requirements
The Docker README sets MEM_SIZE to 6G by default, advises against less than 4G for large datasets, and says Wikidata-all needs at least 10G.Read 4 Oct 2026 · github.com
Query interface
The project provides a GUI for writing and executing SPARQL queries and a RESTful HTTP API for queries.Read 4 Oct 2026 · github.com
Release
The releases page lists version 2.5.4 as the latest release shown.Read 4 Oct 2026 · github.com
Requirements
The backend and benchmark prerequisites listed are Java 17 and Maven.Read 8 Oct 2026 · github.com
Use
It can run as a standalone SPARQL endpoint or be used as a dependency.Read 8 Oct 2026 · github.com
Wikidata
The Wikidata Docker image can download either Wikidata Truthy or Wikidata-all statements.Read 8 Oct 2026 · github.com
Wikidata datasets
The Wikidata Docker image supports wikidata_truthy and wikidata_all datasets, with stated minimum memory of 6G and 10G respectively.Read 4 Oct 2026 · github.com

Strong points and limits

Strong points

  • Supports SPARQL 1.1 queries
  • Includes full-text and GeoSPARQL
  • Accepts several standard RDF formats
  • Provides GUI and REST query interfaces
  • Docker image includes Wikidata options

Limits

  • Wikidata-all requires at least 10G memory
  • Large datasets are discouraged below 4G
  • Self-hosted operation is required
  • Provided as-is without warranty

Who it suits

qEndpoint suits developers and administrators running RDF data services themselves on Linux, macOS, Windows, or Docker. It is relevant when SPARQL, full-text, GeoSPARQL, or Wikidata datasets are required.

Verdict

qEndpoint offers a broad RDF format and query interface set for self-hosted deployments. Memory requirements rise for large or Wikidata datasets, so deployment sizing is an explicit consideration.

Where Specifiction places it

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