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Patent Searching and Data


Title:
PARALLEL DATA PROCESSING SYSTEM, PARALLEL DATA PROCESSING METHOD AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2011/108695
Kind Code:
A1
Abstract:
The disclosed parallel data processing system is provided with processing units for performing generation, reading, and updating of objects and object-related information; consistency control units for returning consistent values for objects within each object cluster to the processing units; and an object-cluster correspondence assessment unit for, upon receiving an identifier of an object, returning an identifier of the consistency control unit for the object cluster including the object; wherein the processing units, when performing creation, reading, or updating of an object or object-related information, acquire an identifier of the consistency control unit for the object cluster including the object from the object-cluster correspondence assessment unit, and while accessing an object store unit, perform consistency control on the basis of the consistency control units. When a plurality of processing units access objects represented by a graph structure, consistency for each object cluster is retained and scalability is secured.

Inventors:
KOBAYASHI DAI (JP)
Application Number:
PCT/JP2011/055040
Publication Date:
September 09, 2011
Filing Date:
March 04, 2011
Export Citation:
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Assignee:
NEC CORP (JP)
KOBAYASHI DAI (JP)
International Classes:
G06F12/00; G06F17/30
Foreign References:
JP2005216299A2005-08-11
JP2008516343A2008-05-15
Other References:
HAIYAN XU ET AL.: "Concurrency Control of Multiversion Databases Based on Workflows", TRANSACTIONS OF INFORMATION PROCESSING SOCIETY OF JAPAN, vol. 42, 15 March 2001 (2001-03-15), pages 27 - 35
Attorney, Agent or Firm:
KATO, Asamichi (JP)
Asamichi Kato (JP)
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Claims: