Patent ID: 9405795
Filing Date: 2016-08-02
CPC Classification: G06F,G06Q,H04L,H04N

Claim Text:
1. A stream data processing server for processing stream data, which arrives consecutively from a computer system as a monitoring target, comprising: a processor; a memory coupled to the processor; a storage medium coupled to the processor; and an interface coupled to the processor, for coupling to other devices, the stream data including a plurality of pieces of data to which time stamps are added, the stream data processing server further comprising a stream data processing module for cutting the plurality of pieces of data that are included within a processing range as a target out of the stream data by using a sliding window in accordance with a query registered in advance, and executing analyzing processing for the cut out plurality of pieces of data, the stream data processing module having: the approximate expression calculating module being configured to: wherein the approximate expression calculating module uses a least square method to calculate the approximate expression, wherein the approximate expression calculating module includes: wherein, the statistics calculating module uses first statistics, which are calculated based on one of the plurality of pieces of data that has been input before first data is input, and the first data to calculate second statistics, in a case where the input module receives an input of the first data.