Pereira, L.M.Alferes, José Júlio Alves2019-03-222019-03-221992-01-01PURE: 119063PURE UUID: 5ee3def3-b4cb-46a2-8150-b85becc69c0dresearchoutputwizard: 22047WOS: A1992BY03P00025ORCID: /0000-0001-5520-4623/work/54189814https://dl.acm.org/citation.cfm?id=1456695336749engWell founded semantics for logic programs with explicit negationconference objecthttps://dl.acm.org/citation.cfm?id=145669