SP500207 OCLC Online Computer Library Center, Inc. chapter R. Thompson National Institute of Standards and Technology Donna K. Harman Journal of the American Society for Information Science1 431 101-114. Dillon and Cray, A.S. (1983). FASIT: A fully automatic syntactically based indexing system. Journal of the American Society for Information Science, 35, 3-10. Dillon and McDonald1 L.K. (1983). Fully automatic book indexing. Journal of Documentation, 39, 135-154. Fagan, J.L. (1987). Experiments in automatic phrase indexing for document retrieval: A comparison of syntactic and non-syntactic methods. (Ph.D. dissertation, Cornell University.) Technical Report No. 87-868. Ithaca, NY: Cornell University. Lewis, D. (1991). Representation and learning in information retrieval. (Ph.D. dissertation, University of Massachusetts, Amherst.) COINS Technical Report 91-93. 192