Patent ID: 9292555
Filing Date: 2016-03-22
CPC Classification: G06F,H04L

Claim Text:
1. An information processing device comprising: an index generating unit for generating index data that are distributedly stored into a plurality of servers, respectively, each of the index data being generated for each of data point information including metadata representing a characteristic of data to be searched, and each of the index data being associated with reference point information that are others of the data point information such that distances to the each data point information based on a previously set reference are within a previously set range; and a communication cost storing unit for storing, for each of the servers storing the respective index data, communication cost information representing a previously set cost that costs in communication with the server, wherein the index generating unit is configured to select the reference point information to be associated with specific one of the data point information, based on the communication cost information of the server storing the index data corresponding to the reference point information, and wherein the index generating unit is configured to: