The service that enables secure utilization of personal information through a technology that analyzes data while it is encrypted.
This service utilizes a technology called PPDM (Privacy Preserving Data Mining).
Service Features
Examples
chat tool
Target company's issues
They want to display ads targeted to the user's interests, but they can't get the content of the conversation.
Implementation of pluszero
The content of the conversation is kept encrypted, and the relevance of the ad and message is calculated to create the optimal ad auction logic.
ability test
Target company's issues
They want to conduct aptitude tests using sensitive information, but the hurdle of disclosure is too high for users.
Implementation of pluszero
The score is calculated by applying the logic of a test theory called IRT while the answer pattern is encrypted.
questionnaire system
Target company's issues
They want to conduct a statistical study, but do not want to collect individual data.
Implementation of pluszero
We built a system to perform aggregation and statistical processing while keeping the response patterns encrypted.
Personal Genome Analysis
Target company's issues
They want to provide services based on personal genome information, but do not want to retain the genome information itself.
Implementation of pluszero
Constructed a system that can continuously provide customers with information on disease risk, etc. by keeping genome information encrypted on a server.