The data consists of an MSN Search query log excerpt with 15 million queries, from US users, sampled over one month of activity. Data attributes made available per query: 1) query ID, 2) query, 3) session ID, 4) timestamp, 5) # of results on results page, 6) results page # Data attribute per query for each result clicked, 7) associated query ID, 8) associated query, 9) URL, 10) position on results page, 11) time-stamp. Data is sorted on time-stamp.