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Softarisons merge soft set theory with the theory of binary relations. Their purpose is the comparison of alternatives in a parameterized environment. We develop the basic theory and interpretations of softarisons. Then, the normative idea of \u2018optimal\u2019 alternatives is discussed in this context. We argue that the meaning of \u2018optimality\u2019 can be adjusted to fit in with the structure of each problem. A sufficient condition for the existence of an optimal alternative for unrestricted sets of alternatives is proven. This result means a counterpart of Weierstrass extreme value theorem for softarisons; thus, it links soft topology with the act of choice. We also provide a decision-making procedure\u2014the minimax algorithm\u2014when the alternatives are compared through a softarison. A case-study in the context of group interviews illustrates both the application of softarisons as an evaluation tool, and the computation of minimax solutions.<\/jats:p>","DOI":"10.1007\/s00521-021-06272-4","type":"journal-article","created":{"date-parts":[[2021,7,9]],"date-time":"2021-07-09T19:03:46Z","timestamp":1625857426000},"page":"16759-16771","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Softarisons: theory and practice"],"prefix":"10.1007","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4533-9281","authenticated-orcid":false,"given":"Jos\u00e9 Carlos R.","family":"Alcantud","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,7,9]]},"reference":[{"issue":"6","key":"6272_CR1","doi-asserted-by":"publisher","first-page":"6113","DOI":"10.3233\/JIFS-181972","volume":"36","author":"M Akram","year":"2019","unstructured":"Akram M, Adeel A, Alcantud JCR (2019) Hesitant fuzzy $$N$$-soft sets. 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