MONO91 Appendix B: Progress and Prospects in Mechanized Indexing appendix Mary Elizabeth Stevens National Bureau of Standards 41. Jernigan, R. and A. G. Dale, Set Theoretic Models for Classification and Retrieval, Rept. No. LRC-64-WTM-5, 20 p. (Linguistic Research Center, Univ. of Texas, Austin, Nov. 1964). 42. Astropower Lab., Douglas Aircraft Co., Adaptive Techniques as Applied to Textual Data Retrieval, Rept. No. RADC-TDR-64-206, 219 p. (Douglas Aircraft Co., Newport Beach, Calif., Aug. 1964). 43. Ossono, P.G., Dissemination Research, Rept. No. RADC-TR-65-314, 75 p. (Rome Air Development Center, Griffiss Air Force Base, New York, Dec. 1965). 44. Simmons, R. F., S. Klein and K. McConlogue, Indexing and Dependency Logic for Answering English Questions, Am. Doc. 15, No. 3, 196-204 (July 1964). 45. Wallace, E. M., Rank Order Patterns of Common Words as Discriminators of Subject Content in Scientific and Technical Prose, in Statistical Association Methods For Mechanized Documentation, Symp. Proc., Washington, D.C., Mar. 17-19, 1964, NBS Misc. Pub. 269, Ed. M.E. Stevens et al, pp. 225-229 (U.S. Govt. Print. Off. Washington, D.C., Dec. 15, 1965). 46. Dennis, S.F., The Construction of a Thesaurus Automatically From a Sample of Text, in Statistical Association Methods For Mechanized Documentation, Symp. Proc., Washington, D.C., Mar. 17-19, 1964, NBS Misc. Pub. 269, Ed. M.E. Stevens et al, pp. 61-148 (U.S. Govt. Print. Off., Washington, D.C., Dec.15, 1965). 47. Clarke, English, Nov.30 D. C. and R. E. Wall, An Economical Program for Limited Parsing of AFIPS Proc. Fall Joint Computer Conf., Vol. 27, Pt. 1, Las Vegas, Nev., - Dec. 1, 1965, pp. 307-316 (Spartan Books, Washington, D.C., 1965). 48. Baxendale, P B., ?Autojndexingl and Indexing by Automatic Processes, Spec. Lib. 56, No. 10, 715-719 (Dec. 1965). 49. Salton, G., An Evaluation Program for Association Indexing, in Statistical Associa- tion Methods For Mechanized Documentation, Symp. Proc., Washington, D.C., Mar. 17-19, 1964, NBS Misc. Pub. 269, Ed. M.E. Stevens et al, pp. 201-210 (U.S. Govt. Print. Off., Washington, D.C., Dec. 15, 1965). 50. Doyle, L. B., Some Compromises Between Word Grouping and Document Grouping, in Statistical Association Methods For Mechanized Documentation, Symp. Proc., Washington, D.C., Mar. 17-19, 1964, NBS Misc. Pub. 269, Ed. M.E. Stevens et al, pp. 15-24 (U.S. Govt. Print. Off., Washington, D.C., Dec. 15, 1965). 51. Kyle, B. F., Information Retrieval and Subject Indexing: Cranfield and After, J. Doc. 20, No. 2, 55-69 (June 1964). 52. Mooers, C.N., Information Retrieval Selection Study. Part II: Seven System Models, Rept. No. ZTB-133, Part II, 39 p. (Zator Co., Cambridge, Mass., Aug. 1959). 236