Character string retrieval system using index and unit for makin

Details Character string retrieval system using index and unit for makin Character string retrieval system using index and unit for makin

1993-01-25

1994-10-18

McElheny, Jr., Donald E.

Boots, shoes, and leggings

G06F 1538

Patent

active

053574311

ABSTRACT:
A character string retrieval system retrieves a character string corresponding to a retrieval key input thereto from a text file including a plurality of characters. The system includes an index indicating position data identifying a position of each of characters in the text file and indicating next character data identifying either a character or a character string formed of a plurality of characters arranged next to each of the characters in the text file, a selecting unit for selecting a first character from characters forming the character string corresponding to the retrieval key, a determining unit for determining, with reference to said index, whether or not a character or a character string next to the first character, selected by said selecting unit, in the retrieval key is equal to a character or a character string identified by the character data corresponding to the first character; and output unit for outputting a retrieval result when said determining unit determines that a character or a character string next to the first character in the retrieval key is equal to a character or a character string identified by the character data corresponding to the first character, the retrieval result being obtained based on the position data corresponding to the first character in said index.

REFERENCES:
patent: 4888730 (1989-12-01), McRae et al.
patent: 4959785 (1990-09-01), Yamamoto et al.

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