CRL/Brandeis: description of the Diderot system as used for MUC-5

This report describes the major developments over the last six months in completing the Diderot information extraction system for the MUC-5 evaluation.Diderot is an information extraction system built at CRL and Brandeis University over the past two years. It was produced as part of our efforts in the Tipster project. The same overall system architecture has been used for English and Japanese and for the micro-electronics and joint venture domains.The past history of the system is discussed and the operation of its major components described. A summary of scores at the 24 month workshop is given and the performance of the system on the texts selected for the system walkthrough is discussed.