Title:
LEARNING DEVICE, ESTIMATION DEVICE, LEARNING METHOD, ESTIMATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/053775
Kind Code:
A1
Abstract:
Provided is a learning device characterized by comprising: a calculation means which takes, as input, aggregate data obtained by aggregating, under a prescribed viewpoint, history data representing a history pertaining to a second subject for each first subject, supplemental data representing supplemental information relating to the second subjects, and partial history data which is a portion of the history data, calculates a value of a prescribed objective function representing the degree of matching between co-occurrence information, which represents a co-occurrence relation between two of the second subjects, and each of the aggregated data, the supplemental data, and the partial history data, and calculates a derivative relating to a parameter of the objective function; and an update means which, using the value of the objective function and the derivative which are calculated by the calculation means, updates the parameter such that the value of the objective function is either maximized or minimized.
Inventors:
IWATA TOMOHARU (JP)
Application Number:
PCT/JP2019/036650
Publication Date:
March 25, 2021
Filing Date:
September 18, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F16/215; G06F16/28; G06F16/906; G06N20/00
Domestic Patent References:
| WO2018042606A1 | 2018-03-08 |
Foreign References:
| JP2003015704A | 2003-01-17 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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