Data processing method and apparatus

A data processing method that causes a computer to execute a process for event processing that processes received event data in accordance with processing rules and outputs output data, the process comprising:

• obtaining first assessment values pertaining to output data by the event processing for a first type of events, periodically by a first period;
• calculating a correlation coefficient value of first received event data and second received event data periodically by a second period that is longer than the first period, the first received event data being received event data of the first type and the second received event data being received event data of a second type that is different from the first type of events;
• and
• setting a second filtering condition pertaining to the second received event data, based on a first filtering condition and the correlation coefficient value, the first filtering condition pertaining to the first received data and being specified from the assessment values.

A data processing apparatus, comprising:

• a processor;
• and
• a memory storing an event processing control program for event processing that processes received event data in accordance with processing rules and outputs output data, the event processing control program, when executed by the processor, causing the data processing apparatus to
• obtain first assessment values pertaining to output data by the event processing for a first type of events, periodically by a first period;
• calculate a correlation coefficient value of first received event data and second received event data periodically by a second period that is longer than the first period, the first received event data being received event data of the first type and the second received event data being received event data of a second type that is different from the first type of events;
• and
• set a second filtering condition pertaining to the second received event data, based on a first filtering condition and the correlation coefficient value, the first filtering condition pertaining to the first received data and being specified from the assessment values.