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Research

Technical profile

My academic background includes computer science (Leiden Institute of Advanced Computer Science). My research is web privacy measurement: crawling websites, recording which third parties receive data, and classifying the tracking and real-time bidding systems behind them. The material below is the technical work that sits behind my casework, expert reports and press quotes.


Thesis

Web Privacy Measurement in Real-Time Bidding Systems. A Graph-Based Approach to RTB System Classification. Doctoral thesis, Leiden University, 2019.

Thesis in the Leiden repository

Earlier work: Web Tracking Detection System , Master's thesis, Leiden Institute of Advanced Computer Science, 2011.


Tools and data

Small, single-purpose public repositories. They are provided as published, most without a formal licence or recent maintenance.

  • openWPM-to-Neo4j

    Python script that loads an OpenWPM crawl database (SQLite) into a Neo4j graph for analysis. Written in 2017 during my doctoral research.

    Python · no licence specified · published January 2017

  • 231106-crawl

    Crawl data of Dutch political party websites collected in November 2023, used for the tracking-cookie findings reported by NOS. The repository has no README.

    Data (HTML, zip archives) · no licence specified · last updated November 2023

  • list-tokens (GGUF Token Lister)

    Python script that lists tokens from the vocabulary section of a GGUF model file. Used for the Future of Privacy Forum report Technologist Roundtable: Key Issues in AI and Data Protection (2024).

    Python · permissive licence notice in the README · last updated November 2024

More at github.com/rvaneijk .


Publications

Scholarly works, including the crawl datasets deposited with DANS, are listed in the portfolio . Author profiles: ORCID | Google Scholar

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