ISR11 Operating Instructions for the SMART Text Processing and Document Retrieval System chapter M. E. Lesk Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. ii-6i Other m[OCRerr]bers o[OCRerr] the SMART project have been [OCRerr]rgaret Erigel, Claudine Harris, Richard LeSchack, Edward Nelson, Joseph Rocchio and Edward Sussenguth. This [OCRerr]roject was supported by the National Science Foundation under grants GN-82, GN-360, and GN-495. The assistance of Rrof. Susuzau Kuno1s research group, Dr. Owen Gingerich of the Smithsonian Astrophysical Observatory, and the operations staff of the Harvard C[OCRerr]nputing Center is gratef[OCRerr]1ly acknowledged.