Dr. James M. Keller will present a two-part seminar from 8-9:15 a.m. Thursday, Feb. 9, in Room 239 Emerson Hall (EE Building). Part one is “Activities in the Dark;” part two is “A study of fuzzy protoform linguistic summarization of time series.” Keller is a Curators’ Professor in the electrical and computer engineering and computer science departments at the University of Missouri-Columbia. The seminar is sponsored by the Institute of Electrical and Electronics Engineers, computer and information systems and the Applied Computation Intelligence Laboratory.