Computer system and method for data base indexing and information retrieval

摘要: A computer system and method for data base indexing information retrieval. number of keywords are selected each record a is searched to determine in which records keyword appears. The central processing unit the then creates vector identifies where appears numerically sorts numbers. special bit processor next transforms into string that identified by one keywords. strings returned stored secondary storage so as form an index base. To retrieve information, or more input unit. used identify keyword. may be logically joined using "AND," "OR" and/or "NOT" commands. Each retrieved from sent purpose processor, combines according particular command. resultant transformed individual contain combined