ISR11 Design Criteria for Automatic Information Systems chapter M. E. Lesk G. Salton Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. OCCURRENCES OF CONCEPTS AND PHRASES IN DOCUMENTS SEPTEMBER 26, 1964 DOCUMENT CONCEPT) OCCURS PAGE 17 DIFFERNTL EQ ACCUR 12 ALGORI 12 COMPUT 12 [OCRerr]ER24 DIGIT 12 EQU 24 EVALU 12 GIVE 12 INTEGR 12 METHOD 12 NULL NUMER 12 ORDIN 12 PARTI 12 PROCED 12 RUNGE- 12 THESAURUS SOLUT I[OCRerr] SPEED 12 STABIL 12 USE 12 VARIE 12 DIFFERNTL EQ 4EXACT 12 8ALGOR 12 I3CALC lB lIEVAL 6 92D1G1 12 RECULA R IIQAUT 12 143UT112 I16SOL 12 I?9STD 12 IBIQUA 24 269EL1 4 [OCRerr]?4DIF3E) 356VEL 12 351YAW 4 3841EG 12 THESAURUS 428STB 4 505APP24 DIFFERNTL EQ 4EXACT 12 BALGOR 12 I3CALC 18 lIEVAL 6 92DIGT 12 STATISTICAL IIQAUT 12 I43UTI 12 176S0L 12 I79STD 12 IBIQUA 24 PHRASES 269EL1 4 Z14DIF 36 356VEL 12 357YAW 4 315NUM 36 [OCRerr]IF12 3B4TEG 12 428S1B 4 5O5APP 24 LOOK-UP INDEXING PRODUCTS FOR "DIFFERENTIAL EQUATIONS11 Fig. 2