Collection of databases, domain theories, and data generators that are used by the machine learning community for the empirical analysis of machine learning algorithms, hosted by the UC Irvine.
Image database organized according to the WordNet hierarchy (currently only the nouns), in which each node of the hierarchy is depicted by hundreds and thousands of images. Developed by Stanford University.
A searchable digital platform of datasets across macroeconomics, trade, labour statistics, financial markets, weather, health, and demographics. Free for academics.