{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,21]],"date-time":"2025-03-21T14:10:25Z","timestamp":1742566225328,"version":"3.40.2"},"reference-count":0,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Intelligenza Artificiale: The international journal of the AIxIA"],"published-print":{"date-parts":[[2011,2]]},"abstract":"<jats:p>In this paper, we briefly summarize some of the most challenging issues that arise when allowing sets to be dealt with as first-class objects of a logic language, ranging from unification of well-founded and non-well-founded sets, to set constraint solving.<\/jats:p>","DOI":"10.3233\/ia-2011-0020","type":"journal-article","created":{"date-parts":[[2019,12,2]],"date-time":"2019-12-02T17:15:51Z","timestamp":1575306951000},"page":"157-161","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["From set unification to set constraints"],"prefix":"10.1177","volume":"5","author":[{"given":"Gianfranco","family":"Rossi","sequence":"first","affiliation":[{"name":"Dipartimento di Matematica, Universit\u00e0 di Parma, Parco Area delle Scienze 53\/A, 43100 Parma, Italy E-mail: gianfranco.rossi@unipr.it"}]}],"member":"179","published-online":{"date-parts":[[2011,1]]},"container-title":["Intelligenza Artificiale: The international journal of the AIxIA"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/IA-2011-0020","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/IA-2011-0020","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,3,21]],"date-time":"2025-03-21T13:44:20Z","timestamp":1742564660000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.3233\/IA-2011-0020"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,1]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2011,2]]}},"alternative-id":["10.3233\/IA-2011-0020"],"URL":"https:\/\/doi.org\/10.3233\/ia-2011-0020","relation":{},"ISSN":["1724-8035","2211-0097"],"issn-type":[{"type":"print","value":"1724-8035"},{"type":"electronic","value":"2211-0097"}],"subject":[],"published":{"date-parts":[[2011,1]]}}}