SYSTEM FOR PROVIDING AUTOMATICALLY COMPLETED INQUIRY WORD, RETRIEVAL SYSTEM, METHOD FOR PROVIDING AUTOMATICALLY COMPLETED INQUIRY WORD, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To automatically complete and present a search word linked to an arbitrary inquiry word, while the arbitrary inquiry word is being inputted by a user, and at the same time provide an automatically completed inquiry word for a correctly keyed inquiry word even when the user inputs an inquiry word with erroneous/missing characters.SOLUTION: A method for providing an automatically completed inquiry word, includes the steps of: generating index information of a correctly keyed inquiry word and index information of an erroneously keyed inquiry word, for a specific keyword, on the basis of a list of automatically completed recommendation words and a list of erroneously keyed inquiry words, and storing the index information in an inquiry word index DB; and referring to the inquiry word index DB, when a user inputs an arbitrary inquiry word to a retrieval system, in order to generate and provide at least one or more automatically completed inquiry words linked to the inquiry word.