{"id":"https://openalex.org/W4411725123","doi":"https://doi.org/10.1109/tkde.2025.3581959","title":"An Efficient Fuzzy System for Complex Query Answering on Knowledge Graphs","display_name":"An Efficient Fuzzy System for Complex Query Answering on Knowledge Graphs","publication_year":2025,"publication_date":"2025-06-27","ids":{"openalex":"https://openalex.org/W4411725123","doi":"https://doi.org/10.1109/tkde.2025.3581959"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2025.3581959","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3581959","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","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/A5049632474","display_name":"Yuyin Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuyin Lu","raw_affiliation_strings":["School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","School of Computer Science and Engineering, Sun Yat-sen University, China"],"raw_orcid":"https://orcid.org/0009-0008-3556-913X","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025168035","display_name":"Hegang Chen","orcid":"https://orcid.org/0000-0001-8338-3884"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hegang Chen","raw_affiliation_strings":["School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","School of Computer Science and Engineering, Sun Yat-sen University, China"],"raw_orcid":"https://orcid.org/0000-0001-8338-3884","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058291454","display_name":"Yanghui Rao","orcid":"https://orcid.org/0000-0003-1610-9599"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanghui Rao","raw_affiliation_strings":["School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","School of Computer Science and Engineering, Sun Yat-sen University, China"],"raw_orcid":"https://orcid.org/0000-0003-1610-9599","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Guangdong Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101840854","display_name":"Jianxing Yu","orcid":"https://orcid.org/0000-0003-1340-3995"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianxing Yu","raw_affiliation_strings":["School of Artificial Intelligence, Sun Yat-sen University, Zhuhai, China"],"raw_orcid":"https://orcid.org/0000-0003-1340-3995","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Sun Yat-sen University, Zhuhai, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004652254","display_name":"Wen Hua","orcid":"https://orcid.org/0000-0001-5456-7035"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wen Hua","raw_affiliation_strings":["Department of Computing, The Hong Kong Polytechnic University, Hong Kong, SAR, China","Department of Computing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-5456-7035","affiliations":[{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":null,"display_name":"Qing Li","orcid":"https://orcid.org/0000-0003-3370-471X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qing Li","raw_affiliation_strings":["Department of Computing, The Hong Kong Polytechnic University, Hong Kong, SAR, China","Department of Computing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-3370-471X","affiliations":[{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8049,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.85292052,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"37","issue":"9","first_page":"4962","last_page":"4976"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9717000126838684,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9717000126838684,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T13062","display_name":"Cognitive Computing and Networks","score":0.9344000220298767,"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":0.9327999949455261,"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/computer-science","display_name":"Computer science","score":0.8192124366760254},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.495524525642395},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.4851135015487671},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4635872542858124},{"id":"https://openalex.org/keywords/knowledge-graph","display_name":"Knowledge graph","score":0.4521127939224243},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37287911772727966},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.34383469820022583},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3268190324306488}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8192124366760254},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.495524525642395},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.4851135015487671},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4635872542858124},{"id":"https://openalex.org/C2987255567","wikidata":"https://www.wikidata.org/wiki/Q33002955","display_name":"Knowledge graph","level":2,"score":0.4521127939224243},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37287911772727966},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.34383469820022583},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3268190324306488}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tkde.2025.3581959","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3581959","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4915157000","display_name":null,"funder_award_id":"62372483","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5720687473","display_name":null,"funder_award_id":"62276279","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1552847225","https://openalex.org/W1611875164","https://openalex.org/W1997196510","https://openalex.org/W2094728533","https://openalex.org/W2151502664","https://openalex.org/W2162870748","https://openalex.org/W2250184916","https://openalex.org/W2885711033","https://openalex.org/W2892280852","https://openalex.org/W2945623882","https://openalex.org/W2962886429","https://openalex.org/W3157651462","https://openalex.org/W4211007335","https://openalex.org/W4225093737","https://openalex.org/W4283819090","https://openalex.org/W4290875505","https://openalex.org/W4300874363","https://openalex.org/W4386566796","https://openalex.org/W4388322023","https://openalex.org/W4391378193","https://openalex.org/W4391407054","https://openalex.org/W4394863048","https://openalex.org/W4402097451","https://openalex.org/W4402758066","https://openalex.org/W4409364711","https://openalex.org/W6608344535","https://openalex.org/W6678830454","https://openalex.org/W6718112784","https://openalex.org/W6747772516","https://openalex.org/W6754715044","https://openalex.org/W6771485939","https://openalex.org/W6784898386","https://openalex.org/W6785858038","https://openalex.org/W6797333116","https://openalex.org/W6803278688","https://openalex.org/W6838403975","https://openalex.org/W6847294582","https://openalex.org/W6849040419","https://openalex.org/W6849264340","https://openalex.org/W6851197128","https://openalex.org/W6851576934","https://openalex.org/W6852581803"],"related_works":["https://openalex.org/W2556786504","https://openalex.org/W2152149667","https://openalex.org/W4244527061","https://openalex.org/W2469357693","https://openalex.org/W3125756434","https://openalex.org/W1977383094","https://openalex.org/W2572349046","https://openalex.org/W1779612025","https://openalex.org/W2413368787","https://openalex.org/W1515213763"],"abstract_inverted_index":{"Complex":[0],"Query":[1],"Answering":[2],"(CQA)":[3],"on":[4,41,103,202],"knowledge":[5],"graphs":[6],"is":[7,126,196,217],"a":[8,19,179],"fundamental":[9],"yet":[10],"challenging":[11],"task,":[12],"which":[13,98,149],"can":[14,44],"be":[15],"formalized":[16],"as":[17,72],"answering":[18],"subset":[20],"of":[21,49,58,64,137,144,191,213],"first-order":[22],"logic":[23],"queries":[24,43,104],"containing":[25],"logical":[26,75,165,186],"conjunction,":[27],"disjunction,":[28],"negation,":[29],"and":[30,68,91,125,146,159,171,181],"existential":[31],"quantifiers.":[32],"Recent":[33],"research":[34],"reveals":[35],"that":[36,119],"Link":[37],"Predictors":[38],"(LPs)":[39],"trained":[40],"1-hop":[42],"generalize":[45],"to":[46,89,151,207],"various":[47],"types":[48],"complex":[50],"queries.":[51],"However,":[52],"existing":[53,129],"methods":[54,82],"neglect":[55],"crucial":[56],"characteristics":[57],"LPs'":[59],"outputs,":[60],"including":[61],"the":[62,135,153,173,189,192],"effects":[63],"highly":[65,157],"relevant":[66,158],"entities":[67,155],"uncertainty.":[69],"What's":[70],"worse,":[71],"they":[73],"model":[74,164],"operations":[76,166],"by":[77,139,198],"fuzzy":[78,115,168,194],"set":[79],"operations,":[80],"these":[81,109],"suffer":[83],"from":[84,156],"problems":[85],"like":[86],"inflexibility,":[87],"sensitivity":[88],"noise,":[90],"inconsistency":[92],"with":[93,105,128],"priority":[94],"in":[95],"human":[96],"cognition,":[97],"limits":[99],"their":[100],"performance,":[101],"especially":[102],"negation.":[106],"To":[107],"address":[108],"challenges,":[110],"we":[111,133,163],"propose":[112],"an":[113],"efficient":[114],"system":[116,195],"for":[117,184],"CQA":[118],"requires":[120],"no":[121],"extra":[122],"training":[123],"overheads":[124],"plug-and-play":[127],"LP-based":[130],"methods.":[131,209],"Firstly,":[132],"expand":[134],"output":[136],"LPs":[138],"two":[140],"complementary":[141],"membership":[142],"functions":[143],"weak":[145],"strong":[147],"relevance,":[148],"help":[150],"distinguish":[152],"target":[154],"irrelevant":[160],"entities.":[161],"Subsequently,":[162],"through":[167],"rule":[169],"bases":[170],"infer":[172],"final":[174],"predictions":[175],"via":[176],"defuzzification,":[177],"providing":[178],"flexible":[180],"tractable":[182],"scheme":[183],"modeling":[185],"operations.":[187],"Finally,":[188],"effectiveness":[190],"proposed":[193,215],"validated":[197],"its":[199],"outstanding":[200],"performance":[201],"benchmark":[203],"datasets":[204],"when":[205],"compared":[206],"state-of-theart":[208],"The":[210],"source":[211],"code":[212],"our":[214],"method":[216],"available":[218],"at":[219],"https://anonymous.4open.science/r/FuzzSys-CQA-E285.":[220]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}