The Text REtrieval Conference is a workshop series designed to encourage research on text
retrieval for realistic applications by providing large test collections, uniform scoring
procedures and a forum for organizations interested in comparing results. TREC contains
two main retrieval tasks plus optional subtasks that allow participants to focus on particular
common subproblems in retrieval. The emphasis on individual experiments evaluated in a
common setting has proven to be very successful. In the six years since the beginning of …