Structural formula display system, method, and program...

Data processing: artificial intelligence – Machine learning – Genetic algorithm and genetic programming system

Reexamination Certificate

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C706S046000, C706S048000, C345S689000, C703S012000

Reexamination Certificate

active

07974936

ABSTRACT:
Character string divider divides a targeted character string into a plurality of groups at each bonding sites on a main chain. In the character string dividing process, the character string divider adds starting/ending symbols to the targeted character string, inserts a delimiter between adjacent characters, changes a notation related to oxo acids, reconstructs an atomic symbol consisting of two characters, changes a notation regarding a subscript or superscript, links hydrogen to another element, reconstructs a set of side chains, reconstructs a character string consisting of one group, reconstructs a back-end group, reconstructs a double bond in a group, and removes the starting/ending symbols. Character string reverser reverses the alignment of the groups.

REFERENCES:
patent: A 4-127380 (1992-04-01), None
Weininger, Smiles, a Chemical Language and Information System. 1. Introduction to Methodology and Encoding Rules, American Chemical Society, 1988, pp. 31-36.
Barker, “Syntactic definition and parsing of molecular formulae: Part 1 Initial syntax definition and parse implementation”, 1974.
Weininger, “SMILES, a Chemical Language and Information System. 1. Introduction to Methodology and Encoding Rules”, American Chemical Society, 1988.

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