Title:
ANALYSIS DEVICE, ANALYSIS PROGRAM, ANALYSIS METHOD, ESTIMATION DEVICE, ESTIMATION PROGRAM, AND ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/103560
Kind Code:
A1
Abstract:
A problem to be addressed by the present invention is that, when modeling a stimulus from an event and a customer's response, with a time axis discretized with a small prescribed time interval, the computational volume increases dramatically. In addition, a model which directly handles a contiguous time, such as survival time analysis, is predicated upon a consistent covariate, and thus, it has not been possible to take dynamic events into account. Provided is an analysis device, comprising: a substitution unit which substitutes events in an impulse-shaped event series with a plurality of rectangular pulses; a segmenting unit which segments the event series which is generated by the substitution with an inflection point time of at least one of the plurality of rectangular pulses; a state vector generation unit which generates a state vector according to the state of the plurality of rectangular pulses for each of a plurality of segmented intervals; and an analysis unit which carries out a Poisson regression analysis, employing the plurality of state vectors for the plurality of intervals.
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Inventors:
TAKAHASHI RIKIYA (JP)
Application Number:
PCT/JP2013/081118
Publication Date:
July 03, 2014
Filing Date:
November 19, 2013
Export Citation:
Assignee:
IBM (US)
IBM JAPAN (JP)
IBM JAPAN (JP)
International Classes:
G06Q30/02
Foreign References:
| JP2005236862A | 2005-09-02 | |||
| JP2009229899A | 2009-10-08 |
Attorney, Agent or Firm:
UENO Takeshi et al. (JP)
Tsuyoshi Ueno (JP)
Tsuyoshi Ueno (JP)
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