| 摘要 |
PROBLEM TO BE SOLVED: To provide a service device for preventing access intending copy of all pieces of information stored for retrieval. SOLUTION: The service device is provided with a control part for receiving a plurality of retrieval request signals including retrieval conditions as retrieval content through a network, and for determining whether or not retrieval conditions included in a plurality of retrieval request signals have regularity, and for, when it is decided that the plurality of retrieval conditions have regularity, determining that a retrieval request based on the plurality of retrieval request signals is abnormal. COPYRIGHT: (C)2009,JPO&INPIT |
