{"id":"https://openalex.org/W2171453670","doi":"https://doi.org/10.1093/comjnl/bxv028","title":"A Fuzzy Extension to the OWL 2 RL Ontology Language","display_name":"A Fuzzy Extension to the OWL 2 RL Ontology Language","publication_year":2015,"publication_date":"2015-04-23","ids":{"openalex":"https://openalex.org/W2171453670","doi":"https://doi.org/10.1093/comjnl/bxv028","mag":"2171453670"},"language":"en","primary_location":{"id":"doi:10.1093/comjnl/bxv028","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxv028","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","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/A5049201950","display_name":"Giorgos Stoilos","orcid":"https://orcid.org/0000-0002-9633-347X"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Giorgos Stoilos","raw_affiliation_strings":["School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065926522","display_name":"Tassos Venetis","orcid":"https://orcid.org/0000-0002-7136-6654"},"institutions":[{"id":"https://openalex.org/I73142707","display_name":"Athens University of Economics and Business","ror":"https://ror.org/03s262162","country_code":"GR","type":"education","lineage":["https://openalex.org/I73142707"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Tassos Venetis","raw_affiliation_strings":["Department of Informatics, Athens University of Economics and Business, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Informatics, Athens University of Economics and Business, Athens, Greece","institution_ids":["https://openalex.org/I73142707"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085359792","display_name":"Giorgos Stamou","orcid":"https://orcid.org/0000-0003-1210-9874"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Giorgos Stamou","raw_affiliation_strings":["School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5065926522"],"corresponding_institution_ids":["https://openalex.org/I73142707"],"apc_list":{"value":2635,"currency":"GBP","value_usd":3232},"apc_paid":null,"fwci":2.2255,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.9054356,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"58","issue":"11","first_page":"2956","last_page":"2971"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9998999834060669,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9998999834060669,"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/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9965999722480774,"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/datalog","display_name":"Datalog","score":0.8580378293991089},{"id":"https://openalex.org/keywords/web-ontology-language","display_name":"Web Ontology Language","score":0.8201936483383179},{"id":"https://openalex.org/keywords/axiom","display_name":"Axiom","score":0.7674839496612549},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.7128467559814453},{"id":"https://openalex.org/keywords/description-logic","display_name":"Description logic","score":0.6983612179756165},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.678155243396759},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.6718674302101135},{"id":"https://openalex.org/keywords/ontology-language","display_name":"Ontology language","score":0.5997111201286316},{"id":"https://openalex.org/keywords/ontology","display_name":"Ontology","score":0.5040258765220642},{"id":"https://openalex.org/keywords/t-norm-fuzzy-logics","display_name":"T-norm fuzzy logics","score":0.48914316296577454},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.42143556475639343},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41870248317718506},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.4146576523780823},{"id":"https://openalex.org/keywords/fuzzy-set","display_name":"Fuzzy set","score":0.3503302335739136},{"id":"https://openalex.org/keywords/fuzzy-number","display_name":"Fuzzy number","score":0.2906237244606018},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2202816605567932},{"id":"https://openalex.org/keywords/semantic-web","display_name":"Semantic Web","score":0.14765623211860657}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.8580378293991089},{"id":"https://openalex.org/C101230327","wikidata":"https://www.wikidata.org/wiki/Q826165","display_name":"Web Ontology Language","level":3,"score":0.8201936483383179},{"id":"https://openalex.org/C167729594","wikidata":"https://www.wikidata.org/wiki/Q17736","display_name":"Axiom","level":2,"score":0.7674839496612549},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.7128467559814453},{"id":"https://openalex.org/C102993220","wikidata":"https://www.wikidata.org/wiki/Q387196","display_name":"Description logic","level":2,"score":0.6983612179756165},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.678155243396759},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.6718674302101135},{"id":"https://openalex.org/C61673122","wikidata":"https://www.wikidata.org/wiki/Q7095059","display_name":"Ontology language","level":3,"score":0.5997111201286316},{"id":"https://openalex.org/C25810664","wikidata":"https://www.wikidata.org/wiki/Q44325","display_name":"Ontology","level":2,"score":0.5040258765220642},{"id":"https://openalex.org/C86602344","wikidata":"https://www.wikidata.org/wiki/Q7667918","display_name":"T-norm fuzzy logics","level":5,"score":0.48914316296577454},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.42143556475639343},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41870248317718506},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.4146576523780823},{"id":"https://openalex.org/C42011625","wikidata":"https://www.wikidata.org/wiki/Q1055058","display_name":"Fuzzy set","level":3,"score":0.3503302335739136},{"id":"https://openalex.org/C1883856","wikidata":"https://www.wikidata.org/wiki/Q3407463","display_name":"Fuzzy number","level":4,"score":0.2906237244606018},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2202816605567932},{"id":"https://openalex.org/C2129575","wikidata":"https://www.wikidata.org/wiki/Q54837","display_name":"Semantic Web","level":2,"score":0.14765623211860657},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1093/comjnl/bxv028","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxv028","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.696.8737","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.696.8737","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.image.ece.ntua.gr/papers/837.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":63,"referenced_works":["https://openalex.org/W27460666","https://openalex.org/W31561947","https://openalex.org/W43554226","https://openalex.org/W50822504","https://openalex.org/W62327733","https://openalex.org/W65187359","https://openalex.org/W152362803","https://openalex.org/W187662194","https://openalex.org/W620384239","https://openalex.org/W1525984444","https://openalex.org/W1541434994","https://openalex.org/W1554618854","https://openalex.org/W1555563750","https://openalex.org/W1558260377","https://openalex.org/W1577536563","https://openalex.org/W1578109354","https://openalex.org/W1584248248","https://openalex.org/W1595443289","https://openalex.org/W1601038846","https://openalex.org/W1678959094","https://openalex.org/W1774883416","https://openalex.org/W1898259180","https://openalex.org/W1903894463","https://openalex.org/W1984723670","https://openalex.org/W1988576567","https://openalex.org/W1990890881","https://openalex.org/W1996407745","https://openalex.org/W2022988079","https://openalex.org/W2052522161","https://openalex.org/W2065649161","https://openalex.org/W2068245942","https://openalex.org/W2075319556","https://openalex.org/W2077655902","https://openalex.org/W2092106837","https://openalex.org/W2095768683","https://openalex.org/W2102308007","https://openalex.org/W2103444877","https://openalex.org/W2106037588","https://openalex.org/W2108990592","https://openalex.org/W2110182592","https://openalex.org/W2115969784","https://openalex.org/W2125067149","https://openalex.org/W2127270603","https://openalex.org/W2129802691","https://openalex.org/W2132635174","https://openalex.org/W2133348366","https://openalex.org/W2134667406","https://openalex.org/W2134828264","https://openalex.org/W2137862151","https://openalex.org/W2139315672","https://openalex.org/W2152774062","https://openalex.org/W2164524572","https://openalex.org/W2165784628","https://openalex.org/W2167289276","https://openalex.org/W2167685423","https://openalex.org/W2171279236","https://openalex.org/W2215673668","https://openalex.org/W2407513186","https://openalex.org/W2584768186","https://openalex.org/W2952727465","https://openalex.org/W4206370914","https://openalex.org/W4234672050","https://openalex.org/W4239696231"],"related_works":["https://openalex.org/W4225342794","https://openalex.org/W212994645","https://openalex.org/W1556463454","https://openalex.org/W2911529331","https://openalex.org/W2405421165","https://openalex.org/W2021763726","https://openalex.org/W2794125007","https://openalex.org/W2022988079","https://openalex.org/W119226878","https://openalex.org/W2345147899"],"abstract_inverted_index":{"Fuzzy":[0],"extensions":[1],"to":[2,57,98,137,143,159,183],"description":[3],"logics":[4],"(DLs)":[5],"have":[6,20,191],"gained":[7],"considerable":[8],"attention":[9],"the":[10,49,58,115,153],"last":[11],"decade.":[12],"So":[13],"far":[14],"most":[15],"works":[16],"on":[17,22,34],"fuzzy":[18,28,39,44,55,100,103,154,161],"DLs":[19],"focused":[21],"either":[23],"very":[24,73],"expressive":[25,80],"languages,":[26],"like":[27,38],"OWL":[29,31,40,45,60,106,122,146],"and":[30,43],"2,":[32],"or":[33],"highly":[35],"inexpressive":[36],"ones,":[37],"2":[41,46,61,107,123,147],"QL":[42],"EL.":[47],"To":[48],"best":[50],"of":[51,105,121],"our":[52,139],"knowledge,":[53],"a":[54,102,111,184],"extension":[56,104],"language":[59,71],"RL":[62,108,124,148],"has":[63],"not":[64,110,206],"been":[65],"thoroughly":[66],"studied":[67],"so":[68,208],"far.":[69],"This":[70],"is":[72,109,125,168],"relevant":[74],"since":[75],"it":[76],"combines":[77],"both":[78],"adequate":[79],"power":[81],"as":[82,84,133],"well":[83],"efficient":[85],"reasoning":[86],"algorithms":[87],"which":[88,145,200],"can":[89,129,156,182],"be":[90,130,157,187],"realized":[91],"using":[92],"rule-based":[93],"(Datalog)":[94],"technologies.":[95],"In":[96],"contrast":[97],"previous":[99],"extensions,":[101],"straightforward":[112],"task":[113],"for":[114,173],"following":[116],"reason.":[117],"The":[118],"main":[119],"motivation":[120],"that":[126,166,179,202],"its":[127],"axioms":[128,149,175,204],"equivalently":[131],"represented":[132],"Datalog":[134,162],"rules.":[135,163],"Hence,":[136],"achieve":[138],"goal":[140],"we":[141,177,190],"need":[142],"investigate":[144],"when":[150],"interpreted":[151],"under":[152],"setting":[155],"transformed":[158],"equivalent":[160],"We":[164],"show":[165,178],"this":[167,180],"not,":[169],"in":[170,210],"general,":[171],"possible":[172],"all":[174],"but":[176],"\u2018issue\u2019":[181],"large":[185],"extent":[186],"alleviated.":[188],"Moreover,":[189],"performed":[192],"an":[193],"experimental":[194],"evaluation":[195],"with":[196],"many":[197],"well-known":[198],"ontologies":[199],"showed":[201],"such":[203],"are":[205],"used":[207],"often":[209],"practice.":[211]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}