{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T06:51:57Z","timestamp":1777704717822,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2021,6,21]]},"abstract":"<jats:p>\u00a0Semiconcept, a new data processing model, enriches the development of formal concept analysis. However, the classical semiconcept is supported by two-way decisions. In the study of classical semiconcept theory, how to express the information of jointly not possessed is also essential in making decisions. Therefore, this paper tries to combine the classical semiconcept theory with three-way decisions to present three-way semiconcepts, and carry on the further study. Firstly, we define new operators and give some properties of them. Two kinds of three-way semiconcepts \u2014OE-semiconcept and AE-semiconcept, are presented. And the corresponding structures are searched out from the perspective of lattice theory. Furthermore, we analyze the relationship among three-way concepts, three-way semiconcepts and classical semiconcepts. On this basis, the algorithms to build OE-semiconcept and AE-semiconcept are presented. At the meanwhile, we take some examples to examine and explain the obtained results.<\/jats:p>","DOI":"10.3233\/jifs-201862","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T04:40:01Z","timestamp":1620189601000},"page":"10853-10864","source":"Crossref","is-referenced-by-count":2,"title":["Two forms of three-way semiconcepts"],"prefix":"10.1177","volume":"40","author":[{"given":"Hua","family":"Mao","sequence":"first","affiliation":[{"name":"Department of Mathematics, Hebei University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoqing","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Hebei University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Life Science, Hebei University, 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