Data extracting method, information processing apparatus,...

Details Data extracting method, information processing apparatus,... Data extracting method, information processing apparatus,...

2005-02-01

2005-02-01

Amsbury, Wayne (Department: 2171)

Data processing: database and file management or data structures

Database design

Data structure types

C345S418000, C375S346000, C382S232000

Reexamination Certificate

active

06850936

ABSTRACT:
A data extraction method comprising: storing a plurality of objects to be processed in a memory device, each of the objects including a single set of two data entities which differ in attribute from each other, converting each of the objects stored in the memory device to one of elements arranged in a matrix, by setting one of the two data entities at a row of the matrix and the other at a column of the matrix, extracting from the matrix a submatrix which is generated by replacing rows and columns of the matrix and is dense with the objects, the submatrix being configured by a part of the matrix.

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Ujaldon et al, Experimental Evaluation of Efficient Sparse Matrix Distributions, Intl Conf. on Supercomputing, PROC 10th ICS, 1996, Philadelphia, PA, pp. 78-85.*
Badrul Sarwar, et al., “Analysis of Recommendation Algorithms for E-Commerce”, EC '00, Oct. 17-20, 2000, 9 pages.
Rakesh Agrawal, et al., “Fast Algorithms for Mining Association Rules”, Proceedings of the 20thVLDB Conference, 1994, pp. 487-499.
Shoichi Ueda, “Data Analysis Method II,” Lets study with personal computers, published Jun. 15, 1991 by Asakura Shoten, First Edition, pp. 68-73.

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