Apparatus, method, and program for visualizing boolean...

Details Apparatus, method, and program for visualizing boolean... Apparatus, method, and program for visualizing boolean...

2011-04-19

2011-04-19

Truong, Cam Y T (Department: 2169)

Data processing: database and file management or data structures

Database design

Database and data structure management

C707S809000

Reexamination Certificate

active

07930320

ABSTRACT:
An apparatus, a method, and a program for visualizing a Boolean expression so that it is readily recognized what is added to or excluded from conditions. A Boolean expression to be visualized is input in the form of a binary tree in which a leaf node represents an operand in the Boolean expression and a node other than the leaf node represents an operator in the Boolean expression. The input binary tree is transformed into a two-dimensional nested representation composed of a plurality of regions, and a pictorial representation for visualization is drawn on the basis of the nested representation and is displayed. When the Boolean expression is provided in a string expression, the string expression is transformed into a binary tree.

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