{"id":"https://openalex.org/W2016515719","doi":"https://doi.org/10.1016/0004-3702(94)00009-p","title":"Tractable reasoning via approximation","display_name":"Tractable reasoning via approximation","publication_year":1995,"publication_date":"1995-04-01","ids":{"openalex":"https://openalex.org/W2016515719","doi":"https://doi.org/10.1016/0004-3702(94)00009-p","mag":"2016515719"},"language":"en","primary_location":{"id":"doi:10.1016/0004-3702(94)00009-p","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0004-3702(94)00009-p","pdf_url":null,"source":{"id":"https://openalex.org/S196139623","display_name":"Artificial Intelligence","issn_l":"0004-3702","issn":["0004-3702","1872-7921"],"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":"Artificial Intelligence","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/A5040566508","display_name":"Marco Schaerf","orcid":"https://orcid.org/0000-0002-2016-1966"},"institutions":[{"id":"https://openalex.org/I172446870","display_name":"University of Cagliari","ror":"https://ror.org/003109y17","country_code":"IT","type":"education","lineage":["https://openalex.org/I172446870"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Schaerf","raw_affiliation_strings":["Univ. di Cagliari, Cagliari, Italy; and Univ. di Roma, Rome, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. di Cagliari, Cagliari, Italy; and Univ. di Roma, Rome, Italy#TAB#","institution_ids":["https://openalex.org/I172446870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027115201","display_name":"Marco Cadoli","orcid":null},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Marco Cadoli","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, via Salaria 113, 00198 Roma, Italy","Univ. di Roma, Rome, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, via Salaria 113, 00198 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Univ. di Roma, Rome, Italy#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5027115201"],"corresponding_institution_ids":["https://openalex.org/I861853513"],"apc_list":{"value":3670,"currency":"USD","value_usd":3670},"apc_paid":null,"fwci":10.6124,"has_fulltext":false,"cited_by_count":174,"citation_normalized_percentile":{"value":0.98217321,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"74","issue":"2","first_page":"249","last_page":"310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","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/T11010","display_name":"Logic, Reasoning, and Knowledge","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/T10215","display_name":"Semantic Web and Ontologies","score":0.9990000128746033,"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/T10456","display_name":"Multi-Agent Systems and Negotiation","score":0.9951000213623047,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.6644918322563171},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6037107706069946},{"id":"https://openalex.org/keywords/semantic-reasoner","display_name":"Semantic reasoner","score":0.5570815801620483},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5032455325126648},{"id":"https://openalex.org/keywords/description-logic","display_name":"Description logic","score":0.4957357347011566},{"id":"https://openalex.org/keywords/modal-logic","display_name":"Modal logic","score":0.4947611689567566},{"id":"https://openalex.org/keywords/propositional-calculus","display_name":"Propositional calculus","score":0.45094725489616394},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44260311126708984},{"id":"https://openalex.org/keywords/automated-reasoning","display_name":"Automated reasoning","score":0.4236573576927185},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38566160202026367},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33362704515457153},{"id":"https://openalex.org/keywords/modal","display_name":"Modal","score":0.2674466371536255},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.14319634437561035}],"concepts":[{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.6644918322563171},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6037107706069946},{"id":"https://openalex.org/C9616225","wikidata":"https://www.wikidata.org/wiki/Q3929429","display_name":"Semantic reasoner","level":2,"score":0.5570815801620483},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5032455325126648},{"id":"https://openalex.org/C102993220","wikidata":"https://www.wikidata.org/wiki/Q387196","display_name":"Description logic","level":2,"score":0.4957357347011566},{"id":"https://openalex.org/C27508121","wikidata":"https://www.wikidata.org/wiki/Q210841","display_name":"Modal logic","level":3,"score":0.4947611689567566},{"id":"https://openalex.org/C69562738","wikidata":"https://www.wikidata.org/wiki/Q200694","display_name":"Propositional calculus","level":2,"score":0.45094725489616394},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44260311126708984},{"id":"https://openalex.org/C195344581","wikidata":"https://www.wikidata.org/wiki/Q2555318","display_name":"Automated reasoning","level":2,"score":0.4236573576927185},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38566160202026367},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33362704515457153},{"id":"https://openalex.org/C71139939","wikidata":"https://www.wikidata.org/wiki/Q910194","display_name":"Modal","level":2,"score":0.2674466371536255},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.14319634437561035},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0004-3702(94)00009-p","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0004-3702(94)00009-p","pdf_url":null,"source":{"id":"https://openalex.org/S196139623","display_name":"Artificial Intelligence","issn_l":"0004-3702","issn":["0004-3702","1872-7921"],"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":"Artificial Intelligence","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.54.7297","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.54.7297","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dis.uniroma1.it/pub/AI/papers/scha-cado-93.ps.gz","raw_type":"text"},{"id":"pmh:oai:iris.uniroma1.it:11573/244963","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/244963","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.7300000190734863}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":107,"referenced_works":["https://openalex.org/W220776","https://openalex.org/W3429031","https://openalex.org/W5583809","https://openalex.org/W5642659","https://openalex.org/W16427807","https://openalex.org/W24002392","https://openalex.org/W53060394","https://openalex.org/W72953418","https://openalex.org/W80737574","https://openalex.org/W85803427","https://openalex.org/W89722143","https://openalex.org/W107342799","https://openalex.org/W110444153","https://openalex.org/W150460194","https://openalex.org/W151117432","https://openalex.org/W173782181","https://openalex.org/W174166643","https://openalex.org/W188597715","https://openalex.org/W1489402961","https://openalex.org/W1492582005","https://openalex.org/W1496432202","https://openalex.org/W1501836314","https://openalex.org/W1514729613","https://openalex.org/W1524356214","https://openalex.org/W1533710763","https://openalex.org/W1535958797","https://openalex.org/W1537604507","https://openalex.org/W1540422960","https://openalex.org/W1577438212","https://openalex.org/W1593617641","https://openalex.org/W1596067335","https://openalex.org/W1750380915","https://openalex.org/W1967231736","https://openalex.org/W1985520716","https://openalex.org/W1994227541","https://openalex.org/W2002476082","https://openalex.org/W2011992362","https://openalex.org/W2014806304","https://openalex.org/W2020514031","https://openalex.org/W2023605209","https://openalex.org/W2024066799","https://openalex.org/W2029111147","https://openalex.org/W2032728598","https://openalex.org/W2035182234","https://openalex.org/W2036265926","https://openalex.org/W2043100293","https://openalex.org/W2053017611","https://openalex.org/W2054160878","https://openalex.org/W2057440130","https://openalex.org/W2057513565","https://openalex.org/W2061734130","https://openalex.org/W2062897452","https://openalex.org/W2064119752","https://openalex.org/W2073491323","https://openalex.org/W2078727257","https://openalex.org/W2080416548","https://openalex.org/W2085301456","https://openalex.org/W2100738443","https://openalex.org/W2104806676","https://openalex.org/W2145465694","https://openalex.org/W2148717074","https://openalex.org/W2148718809","https://openalex.org/W2159525276","https://openalex.org/W2166566648","https://openalex.org/W2170421223","https://openalex.org/W2177902014","https://openalex.org/W2179744405","https://openalex.org/W2530006810","https://openalex.org/W2912336891","https://openalex.org/W2949436104","https://openalex.org/W2984454117","https://openalex.org/W3144889436","https://openalex.org/W4231788289","https://openalex.org/W4240036515","https://openalex.org/W4245349101","https://openalex.org/W4292760868","https://openalex.org/W6600007191","https://openalex.org/W6600140568","https://openalex.org/W6600240804","https://openalex.org/W6600638613","https://openalex.org/W6600969145","https://openalex.org/W6602177962","https://openalex.org/W6603034561","https://openalex.org/W6603260457","https://openalex.org/W6603486376","https://openalex.org/W6603642131","https://openalex.org/W6604407830","https://openalex.org/W6604477041","https://openalex.org/W6606069425","https://openalex.org/W6606104242","https://openalex.org/W6606978825","https://openalex.org/W6607019938","https://openalex.org/W6607620964","https://openalex.org/W6629475261","https://openalex.org/W6629909721","https://openalex.org/W6629970606","https://openalex.org/W6632525753","https://openalex.org/W6634453126","https://openalex.org/W6659573362","https://openalex.org/W6675456400","https://openalex.org/W6675651927","https://openalex.org/W6681589381","https://openalex.org/W6684468096","https://openalex.org/W6685887584","https://openalex.org/W6758469457","https://openalex.org/W6793045953","https://openalex.org/W6822504074"],"related_works":["https://openalex.org/W3127511143","https://openalex.org/W2542061993","https://openalex.org/W2737855517","https://openalex.org/W2214104119","https://openalex.org/W2350354245","https://openalex.org/W4323715042","https://openalex.org/W2804740741","https://openalex.org/W2159682108","https://openalex.org/W2398931073","https://openalex.org/W2101552159"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":3}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}