Patent Document ID: 9973206
Application ID: 15471171

Base Claim:
1. A non-transitory computer-readable recording medium having stored therein an encoding program that causes a computer to execute a process comprising: encoding a plurality of text files that are input to the computer to a plurality of encoded files by using a static dictionary and a dynamic dictionary, the dynamic dictionary being generated in accordance with word appearance frequencies in the plurality of text files; and generating a coupled encoded file that includes the plurality of encoded files, information on the dynamic dictionary, and position information that indicates a position of each of the plurality of encoded files.

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Claim 3:
3. The non-transitory computer-readable recording medium according to claim 1 , wherein the encoding includes generating the dynamic dictionary in accordance with word appearance frequencies in text files associated with each other among the plurality of text files, and executing encoding by using the static dictionary and the dynamic dictionary.