Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-01-24
1999-09-07
Black, Thomas G.
Data processing: database and file management or data structures
Database design
Data structure types
707103, 395683, 345340, 345346, G06F 1730
Patent
active
059502045
ABSTRACT:
An apparatus for determining whether or not a first set of parallel multiple ladder-structured data includes a second set of parallel multiple ladder-structured data, provided with: partial ordering relation extracting means for extracting any partial ordering relation with respect to every lateral bar in the second set of parallel multiple ladder-structured data; object lateral bar selecting means for selecting object lateral bars for which correspondence should be established on the basis of the extracted partial ordering relation; correspondence establishing means for establishing correspondence to lateral bars in the first set of parallel multiple ladder-structured data; and inclusion relation determining means for determining, on the basis of the result of processing to establish correspondence, whether or not the second set of parallel multiple ladder-structured data is included in the first set of parallel multiple ladder-structured data.
REFERENCES:
patent: 5604851 (1997-02-01), Taylor
patent: 5640500 (1997-06-01), Taylor
Alam Hosain T.
Black Thomas G.
NEC Corporation
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