{"id":"https://openalex.org/W2088635442","doi":"https://doi.org/10.1016/s0004-3702(99)00074-0","title":"The size of a revised knowledge base","display_name":"The size of a revised knowledge base","publication_year":1999,"publication_date":"1999-11-01","ids":{"openalex":"https://openalex.org/W2088635442","doi":"https://doi.org/10.1016/s0004-3702(99)00074-0","mag":"2088635442"},"language":"en","primary_location":{"id":"doi:10.1016/s0004-3702(99)00074-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0004-3702(99)00074-0","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/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":false,"raw_author_name":"Marco Cadoli","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106466740","display_name":"Francesco M. Donini","orcid":"https://orcid.org/0000-0003-0284-9625"},"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":false,"raw_author_name":"Francesco M. Donini","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008581096","display_name":"Paolo Liberatore","orcid":"https://orcid.org/0000-0001-5355-3766"},"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":"Paolo Liberatore","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040566508","display_name":"Marco Schaerf","orcid":"https://orcid.org/0000-0002-2016-1966"},"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":false,"raw_author_name":"Marco Schaerf","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica, Universit\u00e0 di Roma \u201cLa Sapienza\u201d, Via Salaria 113, I-00198 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Univ. di Roma \u201cLa Sapienza\u201d, Rome,Italy","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5008581096"],"corresponding_institution_ids":["https://openalex.org/I861853513"],"apc_list":{"value":3670,"currency":"USD","value_usd":3670},"apc_paid":null,"fwci":2.6075,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.90646675,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"115","issue":"1","first_page":"25","last_page":"64"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9993000030517578,"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":0.9993000030517578,"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/T10906","display_name":"AI-based Problem Solving and Planning","score":0.9922000169754028,"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/T11303","display_name":"Bayesian Modeling and Causal Inference","score":0.9886000156402588,"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/iterated-function","display_name":"Iterated function","score":0.8467971086502075},{"id":"https://openalex.org/keywords/knowledge-base","display_name":"Knowledge base","score":0.6941487789154053},{"id":"https://openalex.org/keywords/rotation-formalisms-in-three-dimensions","display_name":"Rotation formalisms in three dimensions","score":0.6651187539100647},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.6497546434402466},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.609593391418457},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.5949100852012634},{"id":"https://openalex.org/keywords/logical-equivalence","display_name":"Logical equivalence","score":0.5277384519577026},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.43555518984794617},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.4158462882041931},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.41046133637428284},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.38557302951812744},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37412458658218384},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.24233505129814148},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19933933019638062}],"concepts":[{"id":"https://openalex.org/C140479938","wikidata":"https://www.wikidata.org/wiki/Q5254619","display_name":"Iterated function","level":2,"score":0.8467971086502075},{"id":"https://openalex.org/C4554734","wikidata":"https://www.wikidata.org/wiki/Q593744","display_name":"Knowledge base","level":2,"score":0.6941487789154053},{"id":"https://openalex.org/C171018156","wikidata":"https://www.wikidata.org/wiki/Q7370306","display_name":"Rotation formalisms in three dimensions","level":2,"score":0.6651187539100647},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.6497546434402466},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.609593391418457},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.5949100852012634},{"id":"https://openalex.org/C70846408","wikidata":"https://www.wikidata.org/wiki/Q220433","display_name":"Logical equivalence","level":3,"score":0.5277384519577026},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.43555518984794617},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.4158462882041931},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.41046133637428284},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.38557302951812744},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37412458658218384},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.24233505129814148},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19933933019638062},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0004-3702(99)00074-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0004-3702(99)00074-0","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:iris.uniroma1.it:11573/242491","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/242491","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":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W15217643","https://openalex.org/W68974267","https://openalex.org/W155996553","https://openalex.org/W1512750313","https://openalex.org/W1540422960","https://openalex.org/W1543451444","https://openalex.org/W1543515168","https://openalex.org/W1555877973","https://openalex.org/W1594099509","https://openalex.org/W1595990156","https://openalex.org/W1883191840","https://openalex.org/W1982345710","https://openalex.org/W1986602165","https://openalex.org/W2011039300","https://openalex.org/W2014613778","https://openalex.org/W2024971746","https://openalex.org/W2035382654","https://openalex.org/W2067590843","https://openalex.org/W2085022454","https://openalex.org/W2113582770","https://openalex.org/W2124299249","https://openalex.org/W2138359650","https://openalex.org/W2149420462","https://openalex.org/W2160579271","https://openalex.org/W2398918824","https://openalex.org/W2400283444","https://openalex.org/W2798579874","https://openalex.org/W2912435539","https://openalex.org/W2915031347","https://openalex.org/W4239069293","https://openalex.org/W4241442473","https://openalex.org/W6600665416","https://openalex.org/W6602804369","https://openalex.org/W6606418303","https://openalex.org/W6630400633","https://openalex.org/W6632525753","https://openalex.org/W6633335093","https://openalex.org/W6634287997","https://openalex.org/W6635461047","https://openalex.org/W6639115808","https://openalex.org/W6642755269","https://openalex.org/W6656472076","https://openalex.org/W6678419105","https://openalex.org/W6680574047","https://openalex.org/W6683585181","https://openalex.org/W6759271760"],"related_works":["https://openalex.org/W57206970","https://openalex.org/W3196191855","https://openalex.org/W1950785758","https://openalex.org/W4235091896","https://openalex.org/W2023896637","https://openalex.org/W2185981755","https://openalex.org/W2498253392","https://openalex.org/W2996527951","https://openalex.org/W1539846681","https://openalex.org/W1532035848"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}