Patent ID: 11921629
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The device of claim 9, wherein:
the determination unit is configured to:
predict lifetime information of the new data file using a trained machine learning model based on first attribute information, second attribute information, or a third attribute information determined from the recorded attribute information; and
determine the expected expiration time of the new data file based on a creation time of the new data file and the predicted lifetime information of the new data file,

the first attribute information is of the expired data files of the level where the new data file is located,
the second attribute information is of unexpired data files adjacent to the new data file in the level where the new data file is located,
the third attribute information is of unexpired data files that are in a level adjacent to the level where the new data file is located and whose key information overlaps with key information of the new data file.