Wikidata

11 years ago, I came into study Basic Formal Ontology (BFO) because of my research on event ontologies in crisis. Now BFO does not use SNAP and SPAN, but directly uses Continuant and Occurrent. And the description of “event” doesn’t seem to exist anymore. After extensive application of BFO in…

A Longitudinal Study of Inequity and Inertia in Wikipedia’s Linked Citations — For the past year, every Wednesday, I’ve used PAC’s Wikidata tool to measure the gender diversity in the biographies linked from a set of 26 Wikipedia pages — from ‘Reality’ to ‘Universe’, ‘Science’ to ‘Justice’ — to get a sense for both the extent of citation bias on Wikipedia and…

In previous blog posts, I covered the basics of Resource Description Framework (RDF) and Knowledge Graph. In this blog post, I will talk about how and with which technology we can query information networks consisting of RDF triples from knowledge databases. …

final report for GSoC’22 with Wikimedia Project Background The WikidataComplete Gadget is a Wikidata gadget that aims the completion of the Wikidata knowledge base. The tool is fetching approvable facts from an API and showing them to the user directly within the Wikidata Web frontend, s.t., adding more facts is becoming convenient…

Wikidata is a graph database containing almost 100 million entities. Each entity has multiple properties defined. This database is maintained by Wikimedia Foundation and millions of people add data to it, similar to Wikipedia. But compared to Wikipedia, where text is mostly stored as text articles, Wikidata stores structured data…

What does gender bias on Wikipedia pages look like? How quickly does it change? — Throughout history, women have been ignored and erased, their contributions unacknowledged or simply forgotten. Erasure leaves gaps in our understanding of the world, and our failure to acknowledge women’s work impedes careers. We often speak of ‘systemic bias’ as if it were a dark thundercloud under which we must sit…

Cultural heritage aggregator Curationist is creating a taxonomy that leverages Wikidata to bring museum metadata into the 21st century. In November 2021, the United States’ Library of Congress finally replaced the terms “Illegal aliens” and “Aliens” in its widely used resource, Library of Congress Subject Headings (LCSH). (The terms were…

Wikidata is the most comprehensive and far-reaching reality of the global knowledge commons that we have built so far. It’s not just Wikidata itself but all of the linkages to other components in the Wikiverse and third party partners, like OpenStreetMap that I’ve been exploring in my last couple of…

When I started my master’s thesis, I embarked on a journey that would lead me to handle massive amounts of JSON data — specifically Wikipedia and WikiData dumps. I had no clue how to manipulate any of it, and went through quite some time without an efficient way of looking…