SIMILARITY SEARCH DEVICE AND COMPUTER PROGRAM AND SIMILARITY SEARCH METHOD

摘要

PROBLEM TO BE SOLVED: To provide a proper storage place where a file is stored to a user under the consideration of the content of the file.SOLUTION: A file storage part 20 stores a plurality of files. An entry word storage part 25 stores an entry word extracted from each file. A data input part 21 inputs data. An entry word extraction part 24 extracts the entry word from the data input by the data input part 21. A search part 26 searches the entry word matching the entry word extracted by the entry word extraction part 24 from among entry words stored in the entry word storage part 25. A similarity calculation part 27 calculates similarity between each file and the data input by the data input part 21 on the basis of the entry word searched by the search part 26.