# @comunica/actor-rdf-join-inner-multi-bind-source

> A inner-multi-bind-source rdf-join actor

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

## Install

```sh
npm install @comunica/actor-rdf-join-inner-multi-bind-source
pnpm add @comunica/actor-rdf-join-inner-multi-bind-source
yarn add @comunica/actor-rdf-join-inner-multi-bind-source
bun add @comunica/actor-rdf-join-inner-multi-bind-source
```

## 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 | 2024-02-09 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | CommonJS |
| Dependencies | 10 |
| Unpacked size | 49.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 590 |
| Maintainers | joachimvh, rubensworks, rubenverborgh, dexagod, jeswr |
| Keywords | comunica, actor, rdf-join, inner-multi-bind-source |

## Links

- npm: https://www.npmjs.com/package/@comunica/actor-rdf-join-inner-multi-bind-source
- 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-rdf-join-inner-multi-bind-source

## Dependencies (10)

- [asynciterator](https://npm.io/package/asynciterator.md) ^3.10.0
- [@comunica/core](https://npm.io/package/@comunica/core.md) ^5.4.0
- [@comunica/types](https://npm.io/package/@comunica/types.md) ^5.4.0
- [@comunica/bus-rdf-join](https://npm.io/package/@comunica/bus-rdf-join.md) ^5.4.0
- [@comunica/utils-algebra](https://npm.io/package/@comunica/utils-algebra.md) ^5.4.0
- [@comunica/utils-iterator](https://npm.io/package/@comunica/utils-iterator.md) ^5.0.0
- [@comunica/context-entries](https://npm.io/package/@comunica/context-entries.md) ^5.4.0
- [@comunica/utils-query-operation](https://npm.io/package/@comunica/utils-query-operation.md) ^5.4.0
- [@comunica/bus-rdf-join-entries-sort](https://npm.io/package/@comunica/bus-rdf-join-entries-sort.md) ^5.4.0
- [@comunica/mediatortype-join-coefficients](https://npm.io/package/@comunica/mediatortype-join-coefficients.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
- 4.5.0 — 2025-11-18
- 4.4.1 — 2025-09-25
- 4.4.0 — 2025-09-17
- 4.2.0 — 2025-04-29
- … 17 more at https://npm.io/package/@comunica/actor-rdf-join-inner-multi-bind-source/versions

## README

# Comunica Inner Multi Bind Source RDF Join Actor

[![npm version](https://badge.fury.io/js/%40comunica%2Factor-rdf-join-inner-multi-bind-source.svg)](https://www.npmjs.com/package/@comunica/actor-rdf-join-inner-multi-bind-source)

An [RDF Join](https://github.com/comunica/comunica/tree/master/packages/bus-rdf-join) actor that inner-joins 2 or more streams
by picking the one with the lowest cardinality,
chunking it according to a certain block size,
and joining each chunk with the remaining query by pushing it into the source.

This actor can only work if the (equal) source of remaining join entries accept pushing down joins (selector shape must allow `joinBindings`).

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-rdf-join-inner-multi-bind-source
```

## Configure

After installing, this package can be added to your engine's configuration as follows:
```text
{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-rdf-join-inner-multi-bind-source/^1.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:rdf-join/actors#inner-multi-bind-source",
      "@type": "ActorRdfJoinMultiBindSource",
      "mediatorJoinSelectivity": { "@id": "urn:comunica:default:rdf-join-selectivity/mediators#main" },
      "mediatorJoinEntriesSort": { "@id": "urn:comunica:default:rdf-join-entries-sort/mediators#main" },
      "mediatorQueryOperation": { "@id": "urn:comunica:default:query-operation/mediators#main" }
    }
  ]
}
```

### Config Parameters

* `mediatorJoinSelectivity`: A mediator over the [RDF Join Selectivity bus](https://github.com/comunica/comunica/tree/master/packages/bus-rdf-join-selectivity).
* `mediatorJoinEntriesSort`: A mediator over the [RDF Join Entries Sort bus](https://github.com/comunica/comunica/tree/master/packages/bus-rdf-join-entries-sort).
* `selectivityModifier`: Multiplier for selectivity values. _(defaults to `0.0001`)_
* `blockSize`: The maximum amount of bindings to send to the source per block. _(defaults to `16`)_

---
_Source: https://npm.io/package/@comunica/actor-rdf-join-inner-multi-bind-source · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._