<div dir="ltr"><div>Thinking Machines, a Philippine data science services company, did an
analysis of where in the Philippines buildings are still missing by
comparing OSM data with the Facebook's population dataset:</div><div><br></div><div><a href="https://stories.thinkingmachin.es/mapthegap">https://stories.thinkingmachin.es/mapthegap</a></div><br><div>The
provinces that are very complete are due to mapping in the wake of
disasters (like Typhoon Haiyan in 2013 and Typhoon Mangkhut in 2018) like Leyte and Cagayan, and
due to Project ISAIAH, the building mapping project of NOAH, a government
disaster analysis institution, like Cavite, Batangas, and Zambales.<br></div></div>