# An Interval-Valued Fuzzy Soft Set Approach for Normal Parameter Reduction

• Xiuqin Ma
• Norrozila Sulaiman
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6743)

## Abstract

Soft set theory in combination with the interval-valued fuzzy set has been proposed as the concept of the interval-valued fuzzy soft set. However, up to the present, few documents have focused on parameter reduction of the interval-valued fuzzy soft sets. In this paper, we propose a definition of normal parameter reduction of interval-valued fuzzy soft sets, which considers the problems of sub-optimal choice and added parameters. Then, a heuristic algorithm of normal parameter reduction for interval-valued fuzzy soft sets is presented. Finally, an illustrative example is employed to show our contribution.

## Keywords

Fuzzy soft sets Soft sets Interval-valued fuzzy soft sets Reduction Normal parameter reduction

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