{"id":"https://openalex.org/W1506774267","doi":"https://doi.org/10.1007/3-540-50171-1_8","title":"Idempotent single-predicate horn clauses","display_name":"Idempotent single-predicate horn clauses","publication_year":1983,"publication_date":"1983-01-01","ids":{"openalex":"https://openalex.org/W1506774267","doi":"https://doi.org/10.1007/3-540-50171-1_8","mag":"1506774267"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-50171-1_8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-50171-1_8","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5090201647","display_name":"Peter T. Wood","orcid":"https://orcid.org/0000-0003-3704-1431"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Peter T. Wood","raw_affiliation_strings":["Computer Systems Research Institute, University of Toronto, M5S 1A4, Toronto, Canada","University of Toronto, Toronto, Canada"],"affiliations":[{"raw_affiliation_string":"Computer Systems Research Institute, University of Toronto, M5S 1A4, Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"University of Toronto, Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004768561","display_name":"Alberto O. Mendelzon","orcid":null},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Alberto O. Mendelzon","raw_affiliation_strings":["Computer Systems Research Institute, University of Toronto, M5S 1A4, Toronto, Canada","University of Toronto, Toronto, Canada"],"affiliations":[{"raw_affiliation_string":"Computer Systems Research Institute, University of Toronto, M5S 1A4, Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"University of Toronto, Toronto, Canada","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064341104","display_name":"Paolo Atzeni","orcid":"https://orcid.org/0000-0003-1513-4725"},"institutions":[{"id":"https://openalex.org/I4210108560","display_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Napoli","ror":"https://ror.org/015kcdd40","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210108560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Atzeni","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universita' di Napoli, Napoli, Italy","Univ. di Napoli, Napoli, Italy#TAB#"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universita' di Napoli, Napoli, Italy","institution_ids":[]},{"raw_affiliation_string":"Univ. di Napoli, Napoli, Italy#TAB#","institution_ids":["https://openalex.org/I4210108560"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5090201647"],"corresponding_institution_ids":["https://openalex.org/I185261750"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.1622807,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"129","last_page":"143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9994999766349792,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9994999766349792,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9993000030517578,"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"}},{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.998199999332428,"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/predicate","display_name":"Predicate (mathematical logic)","score":0.7507283687591553},{"id":"https://openalex.org/keywords/idempotence","display_name":"Idempotence","score":0.7332071661949158},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5620694756507874},{"id":"https://openalex.org/keywords/horn-clause","display_name":"Horn clause","score":0.4658772647380829},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3880469799041748},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.32333922386169434},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.30911189317703247},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.24776676297187805},{"id":"https://openalex.org/keywords/prolog","display_name":"Prolog","score":0.13307464122772217},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.10586175322532654}],"concepts":[{"id":"https://openalex.org/C140146324","wikidata":"https://www.wikidata.org/wiki/Q1144319","display_name":"Predicate (mathematical logic)","level":2,"score":0.7507283687591553},{"id":"https://openalex.org/C172252984","wikidata":"https://www.wikidata.org/wiki/Q368988","display_name":"Idempotence","level":2,"score":0.7332071661949158},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5620694756507874},{"id":"https://openalex.org/C189790780","wikidata":"https://www.wikidata.org/wiki/Q933932","display_name":"Horn clause","level":3,"score":0.4658772647380829},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3880469799041748},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.32333922386169434},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.30911189317703247},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.24776676297187805},{"id":"https://openalex.org/C81721847","wikidata":"https://www.wikidata.org/wiki/Q163468","display_name":"Prolog","level":2,"score":0.13307464122772217},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.10586175322532654}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/3-540-50171-1_8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-50171-1_8","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:eprints.bbk.ac.uk.oai2:46469","is_oa":false,"landing_page_url":"https://eprints.bbk.ac.uk/id/eprint/46469/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400466","display_name":"BIROn (Birkbeck, University of London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98259816","host_organization_name":"Birkbeck, University of London","host_organization_lineage":["https://openalex.org/I98259816"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Book Section"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W173390059","https://openalex.org/W1585796231","https://openalex.org/W1975714036","https://openalex.org/W1979514837","https://openalex.org/W1980622548","https://openalex.org/W1988600452","https://openalex.org/W1994301353","https://openalex.org/W1994464782","https://openalex.org/W2036658689","https://openalex.org/W2056660085","https://openalex.org/W2057491878","https://openalex.org/W2059693475","https://openalex.org/W2062550757","https://openalex.org/W2105775150","https://openalex.org/W2132063146","https://openalex.org/W2489748212","https://openalex.org/W4255993952","https://openalex.org/W6631393269","https://openalex.org/W6677220251"],"related_works":["https://openalex.org/W1594270709","https://openalex.org/W2362786832","https://openalex.org/W2154958691","https://openalex.org/W2049944211","https://openalex.org/W2373496770","https://openalex.org/W2615385948","https://openalex.org/W2766427487","https://openalex.org/W1522032747","https://openalex.org/W2365154421","https://openalex.org/W2565358556"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}