{"id":"https://openalex.org/W3209048663","doi":"https://doi.org/10.1145/3459637.3482242","title":"Continuous-Time Sequential Recommendation with Temporal Graph Collaborative Transformer","display_name":"Continuous-Time Sequential Recommendation with Temporal Graph Collaborative Transformer","publication_year":2021,"publication_date":"2021-10-26","ids":{"openalex":"https://openalex.org/W3209048663","doi":"https://doi.org/10.1145/3459637.3482242","mag":"3209048663"},"language":"en","primary_location":{"id":"doi:10.1145/3459637.3482242","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3459637.3482242","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3459637.3482242","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM International Conference on Information &amp; Knowledge Management","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3459637.3482242","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017213607","display_name":"Ziwei Fan","orcid":"https://orcid.org/0000-0001-5445-2203"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ziwei Fan","raw_affiliation_strings":["University of Illinois at Chicago, Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"University of Illinois at Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100321247","display_name":"Zhiwei Liu","orcid":"https://orcid.org/0000-0003-1525-1067"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhiwei Liu","raw_affiliation_strings":["University of Illinois at Chicago, Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"University of Illinois at Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100462824","display_name":"Jiawei Zhang","orcid":"https://orcid.org/0000-0002-2111-7617"},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiawei Zhang","raw_affiliation_strings":["University of California, Davis, Davis, CA, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Davis, Davis, CA, USA","institution_ids":["https://openalex.org/I84218800"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001877137","display_name":"Yun Xiong","orcid":"https://orcid.org/0000-0002-8575-5415"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yun Xiong","raw_affiliation_strings":["Fudan University, Shanghai, UNK, China"],"affiliations":[{"raw_affiliation_string":"Fudan University, Shanghai, UNK, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106587693","display_name":"Lei Zheng","orcid":"https://orcid.org/0000-0003-1133-2759"},"institutions":[{"id":"https://openalex.org/I4401726932","display_name":"Pinterest (United States)","ror":"https://ror.org/04m6zg706","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726932"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lei Zheng","raw_affiliation_strings":["Pinterest Inc., San Francisco, CA, USA"],"affiliations":[{"raw_affiliation_string":"Pinterest Inc., San Francisco, CA, USA","institution_ids":["https://openalex.org/I4401726932"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036357902","display_name":"Philip S. Yu","orcid":"https://orcid.org/0000-0002-3491-5968"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Philip S. Yu","raw_affiliation_strings":["University of Illinois at Chicago, Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"University of Illinois at Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5017213607"],"corresponding_institution_ids":["https://openalex.org/I39422238"],"apc_list":null,"apc_paid":null,"fwci":36.3363,"has_fulltext":true,"cited_by_count":165,"citation_normalized_percentile":{"value":0.99827559,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"433","last_page":"442"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9937999844551086,"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"}},{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.988099992275238,"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":0.799957275390625},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.7722793817520142},{"id":"https://openalex.org/keywords/encode","display_name":"ENCODE","score":0.6571429371833801},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.49181821942329407},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.4605843424797058},{"id":"https://openalex.org/keywords/purchasing","display_name":"Purchasing","score":0.4502710998058319},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.42218148708343506},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38974159955978394},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.33861857652664185},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.32985448837280273},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2894681692123413}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.799957275390625},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.7722793817520142},{"id":"https://openalex.org/C66746571","wikidata":"https://www.wikidata.org/wiki/Q1134833","display_name":"ENCODE","level":3,"score":0.6571429371833801},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.49181821942329407},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.4605843424797058},{"id":"https://openalex.org/C2778813691","wikidata":"https://www.wikidata.org/wiki/Q1369832","display_name":"Purchasing","level":2,"score":0.4502710998058319},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.42218148708343506},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38974159955978394},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.33861857652664185},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.32985448837280273},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2894681692123413},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3459637.3482242","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3459637.3482242","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3459637.3482242","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM International Conference on Information &amp; Knowledge Management","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3459637.3482242","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3459637.3482242","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3459637.3482242","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM International Conference on Information &amp; Knowledge Management","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2142201510","display_name":"III: Small: Exploiting the Massive User Generated Utterances for Intent Mining under Scarce Annotations","funder_award_id":"1909323","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3118254216","display_name":"III: Medium: Collaborative Research: An Extensible Heterogeneous Network Embedding Framework with Application Specific Adaptation","funder_award_id":"1763325","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3150672399","display_name":null,"funder_award_id":"No. U1936213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G32496095","display_name":null,"funder_award_id":"III-1763325, III-1909323, III-2106758, and SaTC-1930941","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3800173056","display_name":"III: Medium: Collaborative Research: An Extensible Heterogeneous Network Embedding Framework with Application Specific Adaptation","funder_award_id":"1763365","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4320322031","display_name":"III: Medium: Collaborative Research: Self-Supervised Recommender System Learning with Application Specific Adaption","funder_award_id":"2106758","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4349084660","display_name":"I-Corps: A fibrogram based method for the rapid assessment of within sample variation in fiber length","funder_award_id":"1936213","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4689730933","display_name":null,"funder_award_id":"IIS-1763365","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5340839507","display_name":null,"funder_award_id":"U1936213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5722720762","display_name":null,"funder_award_id":"III-2106758","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5760752404","display_name":null,"funder_award_id":"Projects","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5772597375","display_name":null,"funder_award_id":"II-1763325,III-1909323, III-2106758, and SaTC-1930941","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7633400475","display_name":null,"funder_award_id":"III-1763325","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7817793019","display_name":null,"funder_award_id":"III-1909323","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8255380534","display_name":null,"funder_award_id":"III-1763325, III-1909323, III-2106758, and SaTC-1","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G883900857","display_name":null,"funder_award_id":"SaTC-1930941","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G979281235","display_name":"SaTC: CORE: Small: Collaborative: Learning Dynamic and Robust Defenses Against Co-Adaptive Spammers","funder_award_id":"1930941","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320332564","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3209048663.pdf","grobid_xml":"https://content.openalex.org/works/W3209048663.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1500188831","https://openalex.org/W1886704267","https://openalex.org/W2015500481","https://openalex.org/W2027731328","https://openalex.org/W2064675550","https://openalex.org/W2080320419","https://openalex.org/W2146456494","https://openalex.org/W2171279286","https://openalex.org/W2219888463","https://openalex.org/W2474909202","https://openalex.org/W2519887557","https://openalex.org/W2583674722","https://openalex.org/W2605350416","https://openalex.org/W2625746539","https://openalex.org/W2626778328","https://openalex.org/W2726499916","https://openalex.org/W2767597557","https://openalex.org/W2783272285","https://openalex.org/W2783944588","https://openalex.org/W2798918712","https://openalex.org/W2888983470","https://openalex.org/W2899457523","https://openalex.org/W2945623882","https://openalex.org/W2945827670","https://openalex.org/W2955162038","https://openalex.org/W2963367478","https://openalex.org/W2964044287","https://openalex.org/W2964121744","https://openalex.org/W2965683718","https://openalex.org/W2972577885","https://openalex.org/W2984100107","https://openalex.org/W2991079997","https://openalex.org/W2996931760","https://openalex.org/W3001487403","https://openalex.org/W3003799861","https://openalex.org/W3005071803","https://openalex.org/W3008933340","https://openalex.org/W3012752604","https://openalex.org/W3025066464","https://openalex.org/W3035178789","https://openalex.org/W3045200674","https://openalex.org/W3080374445","https://openalex.org/W3081170586","https://openalex.org/W3094233598","https://openalex.org/W3094595891","https://openalex.org/W3098231197","https://openalex.org/W3100278010","https://openalex.org/W3101588560","https://openalex.org/W3101707147","https://openalex.org/W3119313768","https://openalex.org/W3123895104","https://openalex.org/W3129178271","https://openalex.org/W3156927220","https://openalex.org/W3156977692","https://openalex.org/W3158237717","https://openalex.org/W3169632866","https://openalex.org/W3193441787","https://openalex.org/W3210802119"],"related_works":["https://openalex.org/W2348159088","https://openalex.org/W2402445420","https://openalex.org/W1773619406","https://openalex.org/W2377968345","https://openalex.org/W2075040002","https://openalex.org/W2126026531","https://openalex.org/W2511071455","https://openalex.org/W2369194530","https://openalex.org/W2230187266","https://openalex.org/W4298338395"],"abstract_inverted_index":{"In":[0],"order":[1],"to":[2,32,60,68,82,94],"model":[3,33],"the":[4,70,96],"evolution":[5],"of":[6,38,72,99],"user":[7],"preference,":[8],"we":[9,58],"should":[10],"learn":[11],"user/item":[12],"embeddings":[13],"based":[14],"on":[15],"time-ordered":[16],"item":[17,34],"purchasing":[18],"sequences,":[19],"which":[20,45,74],"is":[21,75,80,92],"defined":[22],"as":[23],"Sequential":[24],"Recommendation~(SR)":[25],"problem.":[26],"Existing":[27],"methods":[28],"leverage":[29],"sequential":[30,55,62,85],"patterns":[31,63,86],"transitions.":[35],"However,":[36],"most":[37],"them":[39],"ignore":[40],"crucial":[41],"temporal":[42,65,97],"collaborative":[43,66,88,100],"signals,":[44],"are":[46],"latent":[47],"in":[48],"evolving":[49],"user-item":[50],"interactions":[51],"and":[52,64,87],"coexist":[53],"with":[54],"patterns.":[56],"Therefore,":[57],"propose":[59],"unify":[61],"signals":[67],"improve":[69],"quality":[71],"recommendation,":[73],"rather":[76],"challenging.":[77],"Firstly,":[78],"it":[79,91],"hard":[81],"simultaneously":[83],"encode":[84],"signals.":[89,101],"Secondly,":[90],"non-trivial":[93],"express":[95],"effects":[98]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":32},{"year":2024,"cited_by_count":39},{"year":2023,"cited_by_count":53},{"year":2022,"cited_by_count":28},{"year":2021,"cited_by_count":8}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}
