This week, the ACM (Association for Computing Machinery) CHI conference on Human Factors in Computing Systems (CHI 2026) took place at the Barcelona International Convention Center. CHI is widely regarded as the leading international conference in Human-Computer Interaction. As I did for KDD 2024, I had the privilege of contributing as local co-chair, this time … More ACM CHI 2026
Our article “Refractive datasets as a sensemaking methodology in closed data ecosystems” is already published in Big Data & Society. This is the first paper from a very exciting collaboration with the Search Prompt Integrity & Learning Lab (SPILL), founded by Francesca Tripodi (University of North Carolina at Chapel Hill). The research was led by … More Big Data & Society: Refractive datasets as a sensemaking methodology in closed data ecosystems
Back in the summer, my colleague Franziska (Ziski) Putz from the Wikimedia Foundation Global Advocacy team told me she wanted to propose a contribution for the Mozilla Festival to showcase the Wikipedia Test with real cases from Barcelona. The Wikipedia Test is a tool designed to assess how new technology policies might impact a public-interest … More Mozilla Festival 2025
The ACM Transactions on the Web journal just accepted our article “Language-Agnostic Modeling of Source Reliability on Wikipedia”. The main goal of this project was to generate and assess actionable metrics for source controversiality in Wikipedia. To guarantee universality (i.e. applicability to all Wikipedia language editions), knowledge equity and avoid dependence on the specifics of … More ACM TWEB: Language-Agnostic Modeling of Source Reliability on Wikipedia
This week, we hosted Wiki Workshop 2025, the main forum bringing together researchers exploring all aspects of Wikimedia projects (Wikipedia, Wikidata, Wikimedia Commons, Wiktionary, etc.). While the event remained virtual to maximize accessibility, it featured several new elements. Most notably, what had traditionally been a one-day event expanded to two days, allowing for better accommodation … More Wiki Workshop 2025
We hosted Wiki Workshop 2024 yesterday. This is the largest Wikimedia Research event of the year, bringing together researchers who study all aspects of Wikimedia projects (Wikipedia, Wikidata, Wikimedia Commons, Wikisource, etc.). In this edition we wanted to also bring Wikimedia developers, affiliate organizations, and volunteer editors interested in research. For that reason, after co-organizing … More Wiki Workshop 2024
Five years later I attended my first face-to-face academic conference and it was like coming home, as it was the AAAI International Conference on Web and Social Media (ICWSM-24). This edition was held in Buffalo (NY, USA) and it was the first time I presented there work done at the Wikimedia Foundation Research team. In … More AAAI ICWSM 2024
Today, the ACM Transactions on Computer-Human Interaction journal published our article “Configurations of Digital Participatory Budgeting”. The main goal of this study with Victoria Palacin (University of Helsinki; University of Toronto), Samantha McDonald (University of California Irvine) and Matti Nelimarkka (University of Helsinki; Aalto University) was to characterize the implications of configurations for digital participatory … More ACM TOCHI: Configurations of Digital Participatory Budgeting
This week we had Decidim Fest 2023 at Canòdrom. For this edition, we (the organizing committee) proposed the focus on democracy, technology and ̶a̶r̶t̶i̶f̶i̶c̶i̶a̶l̶collective intelligence, as we wanted to reflect on to what extent AI is a computationally augmented version of human intelligence, extracted from sources of common and open knowledge that were produced in a … More Decidim Fest 2023
Yesterday I had the pleasure to give a seminar at the Learning Planet Institute (fka. Center for Research and Interdisciplinarity or CRI). This institution belongs to the University of Paris and was created in 2016 to co-constructing and sharing new ways of learning, teaching, conducting research and mobilizing collective intelligence in the fields of life, … More Center for Research and Interdisciplinarity Seminar
Pablo Aragón 