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@argu-co @ontola
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Hi, I'm Joep Meindertsma!

  • I co-founded, a tech start-up from the Netherlands that focuses on Linked Data and decentralizing the web. I write things about the linked data web on our blog.
  • Ontola built an e-democracy platform called Argu, which aims to get people involved in decision making. We help governments reach their citizens by providing an easy to use environment where people can share their ideas, discuss, vote on issues and make decisions together.
  • Together with various organisations, we've created (Dutch), a search engine for governmental meeting documents. Over 220 Dutch governments (municipalities, provinces) have joined so far. It extracts meeting data from various sources, standardizes it makes it available as linked open data. Although we have some cool apps who are using the data, we're primarily interested in using the data in Argu, so we can create the missing link between online citizen engagement and formal decision making.
  • I'm CTO of Dexes, a collaboration between three organizations to build an open data marketplace - powered by linked data and Solid.
  • In my spare time, I'm working on a specification for modeling and exchanging data called Atomic Data. I'm also working on a Rust implementation (cli, server, library) and a Typescript implementation (react browser app + library). Check out the demo at!

Articles I wrote

Things I'm interested in

  • Everything linked data or e-democracy (and even better - the combination of both!)
  • Tech aiming to bring control of data back to the people (like Atomic Data and Solid)
  • Standardization of data exchange (things like ipfs)

Get in touch

Send me an email: joep [at]


  1. Create, share, fetch and model linked Atomic Data! This project consists of a CLI, a server and a library for Rust.

    Rust 7

  2. Browser GUI app and typescript + react libraries for Atomic Data.

    TypeScript 2 1

  3. Atomic Data is a proposed standard to make it easier to exchange data.

    Handlebars 2 2

  4. Elasticsearch front-end for searching through meeting data from 100+ municipalities

    TypeScript 6 2

1,488 contributions in the last year

Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Mon Wed Fri

Contribution activity

July 2021

Created a pull request in semantalytics/awesome-semantic-web that received 1 comment

Add Atomic Data projects

Atomic Data is a new specification with a couple of open source libraries that aims to make it easier to work with RDF. It uses a strict subset of …

+3 −1 1 comment
Opened 4 other pull requests in 3 repositories
1 open 1 merged
1 merged
1 open

Created an issue in joepio/atomic-data-browser that received 2 comments

Snackbar / toast notifications

When succesfully editing something When deleting something When signing in / out (throuhg invites) When a notification is incoming (future stuff)

3 of 4 tasks
Opened 31 other issues in 5 repositories
5 open 6 closed
9 open
5 open 3 closed
2 open
1 open

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