Kifayat Ullah

An approach toward decision-making and medical diagnosis problems using the concept of spherical fuzzy sets

Tahir Mahmood, Kifayat Ullah, Qaisar Khan et al. · Neural Computing and Applications · 2018 · 836 citations

Fuzzy Multi-criteria Decision-making, Spherical Fuzzy Sets, Fuzzy Logic +10

On some distance measures of complex Pythagorean fuzzy sets and their applications in pattern recognition

Kifayat Ullah, Tahir Mahmood, Zeeshan Ali et al. · Complex & Intelligent Systems · 2019 · 376 citations · Full text

Fuzzy Logic, Engineering, Fuzzy Computing +10

Enhancing Digital Innovation for the Sustainable Transformation of Manufacturing Industry: A Pressure-State-Response System Framework to Perceptions of Digital Green Innovation and Its Performance for Green and Intelligent Manufacturing

Shi Yin, Nan Zhang, Kifayat Ullah et al. · Systems · 2022 · 217 citations · Full text

Sustainable Transformation, Engineering, Industrial Engineering +23

Similarity Measures for T-Spherical Fuzzy Sets with Applications in Pattern Recognition

Kifayat Ullah, Tahir Mahmood, Naeem Jan · Symmetry · 2018 · 188 citations · Full text

T-spherical Fuzzy Sets, Similarity Measures, Fuzzy Logic +14

Correlation coefficients for T-spherical fuzzy sets and their applications in clustering and multi-attribute decision making

Kifayat Ullah, Harish Garg, Tahir Mahmood et al. · Soft Computing · 2019 · 171 citations

Fuzzy Multi-criteria Decision-making, T-spherical Fuzzy Sets, Fuzzy Logic +10