# @comunica/actor-query-source-dereference-link-hypermedia

> A dereference query-source-dereference-link actor

Latest version **5.4.0** (published 2026-09-14) · MIT license · 0 weekly downloads

## Install

```sh
npm install @comunica/actor-query-source-dereference-link-hypermedia
pnpm add @comunica/actor-query-source-dereference-link-hypermedia
yarn add @comunica/actor-query-source-dereference-link-hypermedia
bun add @comunica/actor-query-source-dereference-link-hypermedia
```

## Health

**Score 60/100 (C)** — status: active.

Positive: has types; no vulnerabilities; recently updated; high maintenance score.

Warnings: low downloads; no esm support.

## Facts

| | |
|---|---|
| Version | 5.4.0 |
| Published | 2026-09-14 |
| First published | 2025-10-22 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | CommonJS |
| Dependencies | 11 |
| Unpacked size | 87.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 590 |
| Maintainers | joachimvh, rubensworks, rubenverborgh, dexagod, jeswr |
| Keywords | comunica, actor, query-source-dereference-link, dereference |

## Links

- npm: https://www.npmjs.com/package/@comunica/actor-query-source-dereference-link-hypermedia
- Repository: https://github.com/comunica/comunica
- Homepage: https://comunica.dev/
- Issues: https://github.com/comunica/comunica/issues
- Funding: https://opencollective.com/comunica-association
- npm.io page: https://npm.io/package/@comunica/actor-query-source-dereference-link-hypermedia

## Dependencies (11)

- [@comunica/core](https://npm.io/package/@comunica/core.md) ^5.4.0
- [@comunica/types](https://npm.io/package/@comunica/types.md) ^5.4.0
- [readable-stream](https://npm.io/package/readable-stream.md) ^4.7.0
- [@comunica/bus-dereference](https://npm.io/package/@comunica/bus-dereference.md) ^5.4.0
- [@comunica/context-entries](https://npm.io/package/@comunica/context-entries.md) ^5.4.0
- [@comunica/bus-rdf-metadata](https://npm.io/package/@comunica/bus-rdf-metadata.md) ^5.4.0
- [@comunica/bus-dereference-rdf](https://npm.io/package/@comunica/bus-dereference-rdf.md) ^5.4.0
- [@comunica/bus-rdf-metadata-extract](https://npm.io/package/@comunica/bus-rdf-metadata-extract.md) ^5.4.0
- [@comunica/bus-rdf-metadata-accumulate](https://npm.io/package/@comunica/bus-rdf-metadata-accumulate.md) ^5.4.0
- [@comunica/bus-query-source-dereference-link](https://npm.io/package/@comunica/bus-query-source-dereference-link.md) ^5.4.0
- [@comunica/bus-query-source-identify-hypermedia](https://npm.io/package/@comunica/bus-query-source-identify-hypermedia.md) ^5.4.0

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## Recent versions

- 5.4.0 (latest) — 2026-09-14
- 4.4.2-alpha.49.0 (next) — 2025-10-22
- 5.3.0 — 2026-07-10
- 5.2.3 — 2026-05-26
- 5.2.2 — 2026-05-03
- 5.2.0 — 2026-04-14
- 5.1.3 — 2026-01-30
- 5.1.0 — 2026-01-16
- 5.0.3 — 2026-01-12
- 5.0.2 — 2026-01-12
- 5.0.0 — 2026-01-08
- 4.0.0 — 2026-01-08

## README

# Comunica Dereference Query Source Hypermedia Resolve Actor

[![npm version](https://badge.fury.io/js/%40comunica%2Factor-query-source-dereference-link-hypermedia.svg)](https://www.npmjs.com/package/@comunica/actor-query-source-dereference-link-hypermedia)

A [Query Source Dereference Link](https://github.com/comunica/comunica/tree/master/packages/bus-query-source-dereference-link) actor that resolves links as [hypermedia-based sources](https://comunica.dev/docs/modify/advanced/hypermedia/).

This module is part of the [Comunica framework](https://github.com/comunica/comunica),
and should only be used by [developers that want to build their own query engine](https://comunica.dev/docs/modify/).

[Click here if you just want to query with Comunica](https://comunica.dev/docs/query/).

## Install

```bash
$ yarn add @comunica/actor-query-source-dereference-link-hypermedia
```

## Configure

After installing, this package can be added to your engine's configuration as follows:
```text
{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-query-source-dereference-link-hypermedia/^1.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:query-source-dereference-link/actors#dereference",
      "@type": "ActorQuerySourceDereferenceLinkHypermedia",
      "mediatorDereferenceRdf": { "@id": "urn:comunica:default:dereference-rdf/mediators#main" },
      "mediatorMetadata": { "@id": "urn:comunica:default:rdf-metadata/mediators#main" },
      "mediatorMetadataExtract": { "@id": "urn:comunica:default:rdf-metadata-extract/mediators#main" },
      "mediatorMetadataAccumulate": { "@id": "urn:comunica:default:rdf-metadata-accumulate/mediators#main" },
      "mediatorQuerySourceIdentifyHypermedia": { "@id": "urn:comunica:default:query-source-identify-hypermedia/mediators#main" },
      "sparqlServiceDescriptionTimeout": 3000
    }
  ]
}
```

### Config Parameters

* `mediatorDereferenceRdf`: A mediator over the [Dereference RDF bus](https://github.com/comunica/comunica/tree/master/packages/bus-dereference-rdf).
* `mediatorMetadata`: A mediator over the [Metadata bus](https://github.com/comunica/comunica/tree/master/packages/bus-metadata).
* `mediatorMetadataExtract`: A mediator over the [Metadata Extract bus](https://github.com/comunica/comunica/tree/master/packages/bus-metadata-extract).
* `mediatorMetadataAccumulate`: A mediator over the [Metadata Accumulatebus](https://github.com/comunica/comunica/tree/master/packages/bus-metadata-accumulate).
* `mediatorQuerySourceIdentifyHypermedia`: A mediator over the [Query Source Identify Hypermedia bus](https://github.com/comunica/comunica/tree/master/packages/bus-query-source-identify-hypermedia).
* `sparqlServiceDescriptionTimeout`: Timeout in ms for dereferencing SPARQL service descriptions. Defaults to `3000`.

---
_Source: https://npm.io/package/@comunica/actor-query-source-dereference-link-hypermedia · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._