METHOD AND DEVICE FOR WORKING DOCUMENT CIPHER, DOCUMENT CIPHER WORKING PROCESSING PROGRAM AND RECORDING MEDIUM THEREFOR

摘要

PROBLEM TO BE SOLVED: To easily distribute a document by providing automatic cipher working processing for a privacy information part in the document. SOLUTION: This device is provided with a means 111 for storing a word (replacing word) for replacing a relevant word set by a user unspecifiably in a word dictionary 130 and performing morpheme analysis concerning an input document while referring to the word dictionary, a means 112 for extracting a peculiar noun part concerning privacy information on the basis of the morpheme analysis result, a means 122 for working the replacing word of the extracted peculiar noun part into cipher by acquiring it from the word dictionary, further, means 123, 124 and 125 for replacing the extracted peculiar noun part into unspecifiable symbol, alphabet letter or initial letter and a means 121 for selecting any one of the means 122-125 corresponding to the kind of a working target character string or the like.