World Historical Gazetteer, a platform that links place names that change over time and interconnects historical data from around the world. This article explains its core data format, Linked Places Format (GeoJSON-T), and its mechanism for reconciling with Wikidata/GeoNames, focusing on the technical perspective.
Stanford ORBIS models the transportation network of the ancient Roman Empire as a network and computes travel between two points in terms of "time, cost, and distance." This article focuses on the technical perspective, explaining how routing works and the sea-route model that incorporates seasonal winds.
Dutch letters, seized from ships captured in war and left dormant in a British archive. This explains the Sailing Letters / Brieven als Buit project, which turned them into a language corpus with diplomatic transcription and detailed metadata, focusing on the technical aspects of data construction.
The Venice Time Machine tried to machine-read the public records of the Republic of Venice and build a "Big Data of the Past." This article explains, from a mainly technical viewpoint, its technical pipeline of scanning, handwritten text recognition, and graph building, along with the data-quality problems that surfaced in 2019.