Yahoo! Answers Question Answering Dataset

The Yahoo! Answers dataset is derived from 10 main categories of Yahoo! Answers Comprehensive Questions and Answers 1.0, each of which contains 140,000 training samples and 5,000 test samples.

This dataset is a corpus of answers as of October 25, 2007, which contains questions and corresponding answers. This corpus contains 4,483,032 questions and answers, in addition to a small amount of metadata that can be used to select the best answer.

The Yahoo! Answers dataset is released by Cornell University.