Samsung Electronics Co., Ltd.

Gae-Won You

Hoshik Lee

Ju-Pyung Lee

Myung-June Jung

Ho-Shik Lee

A storage controller includes a co-access pattern mining unit configured to detect co-access patterns of data co-accessed during a particular time duration and to generate co-access groups including a plurality of pieces of data complying with the co-access patterns. The storage controller further include a co-access group matching unit configured to select a co-access group matched with read-requested data, among the generated co-access groups, and a data placement unit configured to store the data included in the selected co-access group in a pre-fetch buffer.

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Seoul, South Korea

Gae-Won You