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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.
  • I'm the CEO of 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]

Pinned Loading

  1. Create, share, fetch and model Atomic Data! This project consists of a graph database + server, a CLI and a rust library.

    Rust 23 2

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

    TypeScript 5 1

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

    Handlebars 3 1

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

    TypeScript 7 5

1,883 contributions in the last year

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

Contribution activity

December 2021

Created an issue in joepio/atomic-data-rust that received 4 comments

Usecase suggestion: markdown folder import

I was discussing an interesting usecase with @AlexMikhalev about managing personal knowledge, currently stored in markdown files in a system simila…

Opened 2 other issues in 2 repositories
joepio/atomic-data-browser 1 open
joepio/atomic-data-rust 1 open

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