System for searching a data base by creating a marking matrix in

Details System for searching a data base by creating a marking matrix in System for searching a data base by creating a marking matrix in

1992-06-04

1994-12-27

Lee, Thomas C.

Boots, shoes, and leggings

364DIG1, 3642821, 3642822, G06F 1540

Patent

active

053773489

ABSTRACT:
A two dimensional matrix of marks indicating match or mismatch of one or more search arguments with the value of data elements accessed from a field common with all records of a database file. The matrix of marks created after one pass through all the records of the file is searched for a specified pattern which identifies records where the data element values, as between successive records, have a certain sequence as specified by the search arguments.

REFERENCES:
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patent: 5175860 (1992-12-01), Yamada
patent: 5179643 (1993-01-01), Homma et al.
patent: 5206949 (1993-04-01), Cochran et al.
patent: 5224038 (1993-06-01), Bespalko
Aggarwal et al, Notes on searching in multidimensional monotone arrays, Proc. 29th Annual Symposium on Foundations of Computer Science, 24-26 Oct. 1988, pp. 497-512.
Nakamura et al, Data Structures for Multi-layer N-dimensional Data using hierarchicall structure, Proc. 10th International Conference on Pattern Recognition, 16-21 Jun. 1990, pp. 97-102
R. Ashany, "Application of Sparse Matrix Techniques to Search, Retrieval, Classification and Relationship Analysis in Large Data Base Systems-Sparcom", 4th Int'l Conf. on Very Large Data Bases, Sep. 13, 1978, Berlin, Germany, pp. 499-510.

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