The interesting data here aren't the news articles themselves, but the news-browsing history of 20 million people over a 4 month period. To answer your first q

The interesting data here aren't the news articles themselves, but the news-browsing history of 20 million people over a 4 month period. To answer your first question, though, according to the official description of the dataset [1], "On the item side, we are releasing the title, summary, and key-phrases of the pertinent news article." [1] http://webscope.sandbox.yahoo.com/catalog.php?datatype=r&did=75 http://webscope.sandbox.yahoo.com/catalog.php?datatype=r&did...