DOCUMENT CONVERSION DEVICE, DOCUMENT CONVERSION METHOD AND DOCUMENT CONVERSION PROGRAM

PROBLEM TO BE SOLVED: To convert plural documents having different formats to structuralized information.SOLUTION: A document conversion device 100 includes a format determination unit 150 that determines format of an input document, a table format determination unit 160 that determines format of a table included in the document of determined format, a structuralization unit that is prepared for each table format and converts information included in a table of a corresponding format to structuralized information, and an information conversion control unit 170 that converts information included in each table to structuralized information by the structuralization unit identified for each table on the basis of format of each table and conversion designation information.