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The specification PFSs\u2019 entropies modulate the widths of one-sided triangular fuzzy numbers (TFNs) with positive slopes that become the evaluation nodes\u2019 activation functions. All the specifications refer to the same point to facilitate the evaluation and ensure coherence. One-sided TFNs with negative slopes biunivocally represent the assessment PFSs at the input layer of the network. A risk case study on the options for the outsourcing of an information technology development project shows the proposed method\u2019s implementation. We compare the results with those of the application of two other previous methods.<\/jats:p>","DOI":"10.3233\/jifs-210029","type":"journal-article","created":{"date-parts":[[2021,6,30]],"date-time":"2021-06-30T05:29:52Z","timestamp":1625030992000},"page":"4097-4108","source":"Crossref","is-referenced-by-count":2,"title":["A risk assessment method based on Pythagorean fuzzy set and artificial-neuron-like evaluation node"],"prefix":"10.1177","volume":"41","author":[{"given":"Antonio","family":"Rodr\u00edguez","sequence":"first","affiliation":[{"name":"Ingenier\u00edas TIC, Escuela Polit\u00e9cnicaSuperior, Universidad Alfonso X El Sabio, Madrid, Spain"}]}],"member":"179","reference":[{"key":"10.3233\/JIFS-210029_ref1","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1016\/j.techsoc.2018.04.002","article-title":"Evaluating large-scale IT investment decisions","volume":"54","author":"Bayrak","year":"2018","journal-title":"Technology in 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