ENCODE PROGRAM, INDEX GENERATION PROGRAM, RETRIEVAL PROGRAM, ENCODER, INDEX GENERATION DEVICE, RETRIEVAL DEVICE, ENCODE METHOD, INDEX GENERATION METHOD, AND RETRIEVAL METHOD

摘要

To improve the compression rate when encoding by assigning distinct codes to words having high frequency of use.SOLUTION: An information processing device executes: determination processing for, when encoding target data included in target sentence data 10 is encoded, determining whether or not the encoding target data is a conjugated form of a word; and registering processing for, when the encoding target data is a conjugated form of a word, registering it into a dynamic dictionary 122 by associating the encoding target data with the code.SELECTED DRAWING: Figure 1