{"id":"https://openalex.org/W2073311296","doi":"https://doi.org/10.1016/0304-3975(91)90006-n","title":"Semantics of Horn and disjunctive logic programs","display_name":"Semantics of Horn and disjunctive logic programs","publication_year":1991,"publication_date":"1991-08-01","ids":{"openalex":"https://openalex.org/W2073311296","doi":"https://doi.org/10.1016/0304-3975(91)90006-n","mag":"2073311296"},"language":"en","primary_location":{"id":"doi:10.1016/0304-3975(91)90006-n","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(91)90006-n","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5105652031","display_name":"Jorge Lobo","orcid":"https://orcid.org/0000-0002-9438-0926"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jorge Lobo","raw_affiliation_strings":["Department of Computer Science, University of Maryland, College Park, MD 20742, USA","University of Maryland, College Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"University of Maryland, College Park","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108352486","display_name":"Arcot Rajasekar","orcid":null},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arcot Rajasekar","raw_affiliation_strings":["Department of Computer Science, University of Maryland, College Park, MD 20742, USA","University of Maryland, College Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"University of Maryland, College Park","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078013111","display_name":"Jack Minker","orcid":null},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jack Minker","raw_affiliation_strings":["Department of Computer Science and Institute for Advanced Computer Studies, University of Maryland, College Park, MD 20742, USA","University of Maryland, College Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Institute for Advanced Computer Studies, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"University of Maryland, College Park","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I66946132"],"apc_list":{"value":2600,"currency":"USD","value_usd":2600},"apc_paid":null,"fwci":3.2792,"has_fulltext":false,"cited_by_count":79,"citation_normalized_percentile":{"value":0.92226599,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"86","issue":"1","first_page":"93","last_page":"106"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/operational-semantics","display_name":"Operational semantics","score":0.7303510904312134},{"id":"https://openalex.org/keywords/well-founded-semantics","display_name":"Well-founded semantics","score":0.7296956777572632},{"id":"https://openalex.org/keywords/horn-clause","display_name":"Horn clause","score":0.7012693285942078},{"id":"https://openalex.org/keywords/axiomatic-semantics","display_name":"Axiomatic semantics","score":0.5952315330505371},{"id":"https://openalex.org/keywords/action-semantics","display_name":"Action semantics","score":0.581979513168335},{"id":"https://openalex.org/keywords/stable-model-semantics","display_name":"Stable model semantics","score":0.566804051399231},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.555919349193573},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.5324500799179077},{"id":"https://openalex.org/keywords/fixed-point","display_name":"Fixed point","score":0.528638482093811},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5187963843345642},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5022902488708496},{"id":"https://openalex.org/keywords/denotational-semantics","display_name":"Denotational semantics","score":0.4960273206233978},{"id":"https://openalex.org/keywords/higher-order-logic","display_name":"Higher-order logic","score":0.4643927216529846},{"id":"https://openalex.org/keywords/french-horn","display_name":"French horn","score":0.44697296619415283},{"id":"https://openalex.org/keywords/modal-\u03bc-calculus","display_name":"Modal \u03bc-calculus","score":0.4322049915790558},{"id":"https://openalex.org/keywords/logic-programming","display_name":"Logic programming","score":0.4320598840713501},{"id":"https://openalex.org/keywords/game-semantics","display_name":"Game semantics","score":0.42352089285850525},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.39541754126548767},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.393488347530365},{"id":"https://openalex.org/keywords/multimodal-logic","display_name":"Multimodal logic","score":0.2942448854446411},{"id":"https://openalex.org/keywords/description-logic","display_name":"Description logic","score":0.18715474009513855},{"id":"https://openalex.org/keywords/zeroth-order-logic","display_name":"Zeroth-order logic","score":0.07426425814628601}],"concepts":[{"id":"https://openalex.org/C156325763","wikidata":"https://www.wikidata.org/wiki/Q1930895","display_name":"Operational semantics","level":3,"score":0.7303510904312134},{"id":"https://openalex.org/C89497691","wikidata":"https://www.wikidata.org/wiki/Q7981058","display_name":"Well-founded semantics","level":5,"score":0.7296956777572632},{"id":"https://openalex.org/C189790780","wikidata":"https://www.wikidata.org/wiki/Q933932","display_name":"Horn clause","level":3,"score":0.7012693285942078},{"id":"https://openalex.org/C58041814","wikidata":"https://www.wikidata.org/wiki/Q792533","display_name":"Axiomatic semantics","level":5,"score":0.5952315330505371},{"id":"https://openalex.org/C150607116","wikidata":"https://www.wikidata.org/wiki/Q4677421","display_name":"Action semantics","level":5,"score":0.581979513168335},{"id":"https://openalex.org/C127001435","wikidata":"https://www.wikidata.org/wiki/Q7595770","display_name":"Stable model semantics","level":4,"score":0.566804051399231},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.555919349193573},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.5324500799179077},{"id":"https://openalex.org/C61445026","wikidata":"https://www.wikidata.org/wiki/Q217608","display_name":"Fixed point","level":2,"score":0.528638482093811},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5187963843345642},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5022902488708496},{"id":"https://openalex.org/C207648694","wikidata":"https://www.wikidata.org/wiki/Q1189746","display_name":"Denotational semantics","level":4,"score":0.4960273206233978},{"id":"https://openalex.org/C169896238","wikidata":"https://www.wikidata.org/wiki/Q1644136","display_name":"Higher-order logic","level":3,"score":0.4643927216529846},{"id":"https://openalex.org/C152076505","wikidata":"https://www.wikidata.org/wiki/Q1126540","display_name":"French horn","level":2,"score":0.44697296619415283},{"id":"https://openalex.org/C173125200","wikidata":"https://www.wikidata.org/wiki/Q5275729","display_name":"Modal \u03bc-calculus","level":5,"score":0.4322049915790558},{"id":"https://openalex.org/C128838566","wikidata":"https://www.wikidata.org/wiki/Q275603","display_name":"Logic programming","level":2,"score":0.4320598840713501},{"id":"https://openalex.org/C9672783","wikidata":"https://www.wikidata.org/wiki/Q65122115","display_name":"Game semantics","level":5,"score":0.42352089285850525},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.39541754126548767},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.393488347530365},{"id":"https://openalex.org/C203659156","wikidata":"https://www.wikidata.org/wiki/Q6934805","display_name":"Multimodal logic","level":3,"score":0.2942448854446411},{"id":"https://openalex.org/C102993220","wikidata":"https://www.wikidata.org/wiki/Q387196","display_name":"Description logic","level":2,"score":0.18715474009513855},{"id":"https://openalex.org/C110039528","wikidata":"https://www.wikidata.org/wiki/Q8069651","display_name":"Zeroth-order logic","level":4,"score":0.07426425814628601},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0304-3975(91)90006-n","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(91)90006-n","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theoretical Computer Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W23877214","https://openalex.org/W197957271","https://openalex.org/W1514729613","https://openalex.org/W1519530939","https://openalex.org/W1524811847","https://openalex.org/W1541434994","https://openalex.org/W1602839533","https://openalex.org/W1980131378","https://openalex.org/W1998072811","https://openalex.org/W2020890531","https://openalex.org/W2058656940","https://openalex.org/W2065555531","https://openalex.org/W2082367267","https://openalex.org/W2108911687","https://openalex.org/W2111353076","https://openalex.org/W2143382644","https://openalex.org/W2148853609","https://openalex.org/W2352490338","https://openalex.org/W2411085520","https://openalex.org/W2586770626","https://openalex.org/W2612793397","https://openalex.org/W6600982519","https://openalex.org/W6607975003","https://openalex.org/W6629171480","https://openalex.org/W6631035551","https://openalex.org/W6631188490","https://openalex.org/W6636093177","https://openalex.org/W6676668875"],"related_works":["https://openalex.org/W2211916015","https://openalex.org/W4376854090","https://openalex.org/W2950641724","https://openalex.org/W1990759781","https://openalex.org/W2415302829","https://openalex.org/W1598566063","https://openalex.org/W2755706355","https://openalex.org/W1996485047","https://openalex.org/W2971322866","https://openalex.org/W1569239772"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}