| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing method and an information processor capable of processing information with high efficiency and operability, and to provide a storage medium and a program. SOLUTION: A central processing unit 2201 controls the holding of a plurality of information including a character string, and the input of a query, and the language-analysis of a query character string, and the decision of one of more applicable retrieval modes from at least two retrieval modes according to the presence or absence of any unknown word included in the query character string as the language-analytic result, and the execution of the decided retrieval mode, and the display of at least one of the retrieved results in the executed retrieval mode.
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