| 摘要 |
PURPOSE:To generate index data having individual index words for respective allophone/same orthography words without making the information amount of a document group being a generation object in index data to be excessive. CONSTITUTION:An identifier bestowal means 2 bestows a word identifier to an index candidate word related to index generation designation and buries the word identifiers before and behind the index candidate word concerned in the document group 1. An index candidate management means 3 manages an orthography character string on the respective index candidate words and the read word identifiers in an index candidate management file 4. An index candidate retrieval means 5 generates retrieval result data 6 based on the word identifier buried in the document group 1 and the content of the index candidate management file 4. An index data generation means 7 sorts respective entries in retrieval result data 6 by the reading of the index candidate word, and index data 8 having the index word and the number of pages is generated based on the sorting processing. |
