Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2016/178312
Kind Code:
A1
Abstract:
This information processing device is provided with: a statistical value storing means that stores a statistical value for each block, said block being a division of a data set; a query history storing unit that stores information related to a past query as a query history; an estimating means that, on the basis of the query history, estimates a block size when dividing the data set into at least two blocks so as to minimize the cost of statistical processing carried out using a statistical value for each block; and a block creating means that divides the data set using the block size estimated by the estimating means, and, for each divided block, calculates a statistical value related to the data included in the block and causes the statistical value storing means to store the statistical value.
Inventors:
OYAMADA MASAFUMI (JP)
Application Number:
PCT/JP2016/002183
Publication Date:
November 10, 2016
Filing Date:
April 26, 2016
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G06F17/30; G06F17/18
Foreign References:
| US20140214799A1 | 2014-07-31 |
Other References:
MASAFUMI OYAMADA ET AL.: "PA-Proxy: SQL-on- Hadoop ni Okeru Data Shukei Shori o Seido no Rekka naku Kosokuka suru Framework", THE 7TH FORUM ON DATA ENGINEERING AND INFORMATION MANAGEMENT (DAI 13 KAI THE DATABASE SOCIETY OF JAPAN NENJI TAIKAI, 4 March 2015 (2015-03-04), pages 1 - 8, XP055328624, Retrieved from the Internet
Attorney, Agent or Firm:
SHIMOSAKA, NAOKI (JP)
Naoki Shimosaka (JP)
Naoki Shimosaka (JP)
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