CRANV1P1 ASLIB Cranfield Research Project: Factors Determining the Performance of Indexing Systems: VOLUME 1. Design, Part 1. Text Testing Techniques chapter Cyril Cleverdon Jack Mills Michael Keen Cranfield An investigation supported by a grant to Aslib by the National Science Foundation. Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. - 96 ° 1931 1932 1933 1934 1935 1936 : 1937 1938 i 1939 ' 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 Nature 1 Flow i Compressible I 1953 .... 1954 .............. -c9-[OCRerr]- -[OCRerr] 1956 .... fl.O i957 .................... i[OCRerr]',l;, /958 ................ L7 ..... ![OCRerr].s" 1959 " " I..' [OCRerr]' ............. i 1960 ............... 1961 .................. I .'[OCRerr]t_ ..... ]i.,D. 1962 .......... I'[OCRerr],-._ [OCRerr].¢i _ ...... 11"1 7 . I1964! . 1965 I " " . ! 9[OCRerr]6_.j_[OCRerr]-7 -- 71-i[OCRerr] I1967I ....... i968t[OCRerr]3_j ......... i_-969-1 [OCRerr] ............... 1970 | .................... 1971 Viscous Channel Straight I:$" . : ....... I " " l:[OCRerr] ............ iF.,[OCRerr] ........................ ,:,[OCRerr]-TT- [OCRerr] ii[OCRerr]i)] IIUII .... ii. bi[OCRerr] ..... :[OCRerr][OCRerr] i:i[OCRerr]: .... " g:[OCRerr]/ ..... 2 .............................. !:ft ,[OCRerr]:[OCRerr] - r-[OCRerr].q ......................... !.%a.g :v:q [OCRerr].[OCRerr] J:_9_ ............ ] t[OCRerr].-I t[OCRerr]9 .............. !t Determin a ti°nl L7 IL? I.¢} __ ] I . ..... - .... : .-. i ; ___-_-I ..... ........................... i t- 1972 _ I[OCRerr] ,[OCRerr],'q iN'[OCRerr] 1973 [OCRerr].[OCRerr],a.q it[OCRerr] ? 1974 1 _.L__.__ t[OCRerr]:.'; ........... i[OCRerr]9 1975-1/- [OCRerr] ....... . [OCRerr]q i -[OCRerr] ....... 1976 [OCRerr] u .[OCRerr] 1977 I ....... !.:.[OCRerr] (L.ef ................... ! " l.[OCRerr] 19781 ..-[OCRerr]_/t.[OCRerr] 1¢:.7 /'J[OCRerr] N'[OCRerr]) ........... 1979IT i Z::ZLL Z7 ! [OCRerr]' l"q ........................... 19801 , 7 i 1981 IS:[OCRerr] I[OCRerr]LL_I_____[OCRerr] !:Q ........ i 1982 i ][OCRerr] .-] tN.O I 19831 ............ i[OCRerr]t fl) l 1984 { ..... I¢f il-I[OCRerr] [OCRerr].lV ] 1985 l'-[OCRerr] .... .q ;[OCRerr].[OCRerr]- ',-,[OCRerr] ,'[OCRerr]:iO ........................................ I ....... 1986 i I'[OCRerr]' :[OCRerr]",0 ......... ] 1988 | ! [OCRerr],g,[OCRerr] ', ..... ' 19901 .............. I.'[OCRerr] _ _ ,.r[OCRerr] [OCRerr]'0 ] ; .... i 19921991 II I --____ i Vi "CI ..... --- J [OCRerr] [OCRerr]¢[OCRerr] ............. II B-_6_r51 LT_LTTY-_Z2Z .................. i FIGURE 6.6 SEARCH SHEET FOR QUESTION 181 IN RELATION TO DOCUMENTS 1931-1992