{"id":"https://openalex.org/W7134165306","doi":"https://doi.org/10.1109/bigdata66926.2025.11401993","title":"Contrastive Anomalous User Detection in Recommender Systems via Multi-Semantic Paths","display_name":"Contrastive Anomalous User Detection in Recommender Systems via Multi-Semantic Paths","publication_year":2025,"publication_date":"2025-12-08","ids":{"openalex":"https://openalex.org/W7134165306","doi":"https://doi.org/10.1109/bigdata66926.2025.11401993"},"language":null,"primary_location":{"id":"doi:10.1109/bigdata66926.2025.11401993","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata66926.2025.11401993","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Big Data (BigData)","raw_type":"proceedings-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/A5103788108","display_name":"Hangyuan DU","orcid":null},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hangyuan Du","raw_affiliation_strings":["School of Computer and Information Technology, Shanxi University,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Technology, Shanxi University,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128359933","display_name":"Liu Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liu Yang","raw_affiliation_strings":["School of Computer and Information Technology, Shanxi University,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Technology, Shanxi University,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029911006","display_name":"Lu Bai","orcid":"https://orcid.org/0000-0003-1687-0863"},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Bai","raw_affiliation_strings":["School of Artificial Intelligence, Beijing Normal University,Beijing,China","Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing Normal University,Beijing,China","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067305206","display_name":"Gaoxia Jiang","orcid":"https://orcid.org/0000-0002-2343-1132"},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gaoxia Jiang","raw_affiliation_strings":["School of Computer and Information Technology, Shanxi University,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Technology, Shanxi University,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029911006","display_name":"Lu Bai","orcid":"https://orcid.org/0000-0003-1687-0863"},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Bai","raw_affiliation_strings":["School of Artificial Intelligence, Beijing Normal University,Beijing,China","Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing Normal University,Beijing,China","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023346861","display_name":"WenJian Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjian Wang","raw_affiliation_strings":["Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China"],"affiliations":[{"raw_affiliation_string":"Shanxi University,Key Laboratory of Computational Intelligence and Chinese Information Processing,Taiyuan,China","institution_ids":["https://openalex.org/I181877577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103788108"],"corresponding_institution_ids":["https://openalex.org/I181877577"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.86027658,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"653","last_page":"658"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.19990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.19990000128746033,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.15929999947547913,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.061500001698732376,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5372999906539917},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.2896000146865845},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.24560000002384186},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.22050000727176666}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7192000150680542},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5372999906539917},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4307999908924103},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3537999987602234},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3093000054359436},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.2896000146865845},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.2485000044107437},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.24560000002384186},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2418999969959259},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.22050000727176666}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bigdata66926.2025.11401993","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata66926.2025.11401993","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Big Data (BigData)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6611760868","display_name":null,"funder_award_id":"62576198,62476157,62432006,62576371,62576201","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7273221311","display_name":null,"funder_award_id":"202302010101007","funder_id":"https://openalex.org/F4320336035","funder_display_name":"Shanxi Provincial Key Research and Development Project"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320336035","display_name":"Shanxi Provincial Key Research and Development Project","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W2029424893","https://openalex.org/W2533413719","https://openalex.org/W2605350416","https://openalex.org/W2734434792","https://openalex.org/W2754493004","https://openalex.org/W2793477525","https://openalex.org/W2808544127","https://openalex.org/W2907492528","https://openalex.org/W2944250323","https://openalex.org/W2963486145","https://openalex.org/W2983576094","https://openalex.org/W3012816161","https://openalex.org/W3095746859","https://openalex.org/W3114652457","https://openalex.org/W3133518153","https://openalex.org/W3204453541","https://openalex.org/W3206326321","https://openalex.org/W3210350882","https://openalex.org/W4281955767","https://openalex.org/W4379927591","https://openalex.org/W4394918656","https://openalex.org/W4401033222","https://openalex.org/W4402978397"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-03-09T00:00:00"}