{"id":"https://openalex.org/W3037784299","doi":"https://doi.org/10.1109/educon45650.2020.9125245","title":"STR-SA: Session-based Thread Recommendation for Online Course Forum with Self-Attention","display_name":"STR-SA: Session-based Thread Recommendation for Online Course Forum with Self-Attention","publication_year":2020,"publication_date":"2020-04-01","ids":{"openalex":"https://openalex.org/W3037784299","doi":"https://doi.org/10.1109/educon45650.2020.9125245","mag":"3037784299"},"language":"en","primary_location":{"id":"doi:10.1109/educon45650.2020.9125245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/educon45650.2020.9125245","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Global Engineering Education Conference (EDUCON)","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/A5100642537","display_name":"Ming Zhang","orcid":"https://orcid.org/0000-0002-9809-3430"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ming Zhang","raw_affiliation_strings":["Department of Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025450902","display_name":"Shixing Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shixing Liu","raw_affiliation_strings":["Department of Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026207516","display_name":"Yifan Wang","orcid":"https://orcid.org/0000-0001-7764-8698"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yifan Wang","raw_affiliation_strings":["Department of Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100642537"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":2.9359,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.92642042,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"374","last_page":"381"},"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/T11122","display_name":"Online Learning and Analytics","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9878000020980835,"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/thread","display_name":"Thread (computing)","score":0.8822031021118164},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7914760112762451},{"id":"https://openalex.org/keywords/session","display_name":"Session (web analytics)","score":0.6732699275016785},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5424365401268005},{"id":"https://openalex.org/keywords/online-course","display_name":"Online course","score":0.5281978249549866},{"id":"https://openalex.org/keywords/online-forum","display_name":"Online forum","score":0.469830721616745},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.4395431876182556},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.36193302273750305},{"id":"https://openalex.org/keywords/mathematics-education","display_name":"Mathematics education","score":0.27616557478904724},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.10072532296180725},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09437170624732971}],"concepts":[{"id":"https://openalex.org/C138101251","wikidata":"https://www.wikidata.org/wiki/Q213092","display_name":"Thread (computing)","level":2,"score":0.8822031021118164},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7914760112762451},{"id":"https://openalex.org/C2779182362","wikidata":"https://www.wikidata.org/wiki/Q17126187","display_name":"Session (web analytics)","level":2,"score":0.6732699275016785},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5424365401268005},{"id":"https://openalex.org/C2986081426","wikidata":"https://www.wikidata.org/wiki/Q1068473","display_name":"Online course","level":2,"score":0.5281978249549866},{"id":"https://openalex.org/C2908688394","wikidata":"https://www.wikidata.org/wiki/Q168210","display_name":"Online forum","level":2,"score":0.469830721616745},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.4395431876182556},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.36193302273750305},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.27616557478904724},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.10072532296180725},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09437170624732971}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/educon45650.2020.9125245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/educon45650.2020.9125245","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Global Engineering Education Conference (EDUCON)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W2042281163","https://openalex.org/W2054141820","https://openalex.org/W2095705004","https://openalex.org/W2105034111","https://openalex.org/W2137245235","https://openalex.org/W2138108551","https://openalex.org/W2171279286","https://openalex.org/W2194775991","https://openalex.org/W2469952266","https://openalex.org/W2512965516","https://openalex.org/W2578600733","https://openalex.org/W2622388516","https://openalex.org/W2745534091","https://openalex.org/W2795199972","https://openalex.org/W2803746163","https://openalex.org/W2803978295","https://openalex.org/W2807106415","https://openalex.org/W2809307135","https://openalex.org/W2887909718","https://openalex.org/W2947216479","https://openalex.org/W2963367478","https://openalex.org/W2963403868","https://openalex.org/W2964044287","https://openalex.org/W2964121744","https://openalex.org/W3101063193","https://openalex.org/W4299286960","https://openalex.org/W4385245566","https://openalex.org/W6630221451","https://openalex.org/W6631190155","https://openalex.org/W6674330103","https://openalex.org/W6680451568","https://openalex.org/W6692935382","https://openalex.org/W6731920078","https://openalex.org/W6739901393","https://openalex.org/W6751964290","https://openalex.org/W6753893312","https://openalex.org/W6780226713"],"related_works":["https://openalex.org/W4296749040","https://openalex.org/W4230197055","https://openalex.org/W621808327","https://openalex.org/W3152079836","https://openalex.org/W2094583780","https://openalex.org/W2047476058","https://openalex.org/W790104570","https://openalex.org/W2483268698","https://openalex.org/W2887236777","https://openalex.org/W2068860118"],"abstract_inverted_index":{"In":[0,139],"recent":[1],"years,":[2],"along":[3],"with":[4],"the":[5,64,73,108,112,126,167,171,174,178,189,193,197,202,206,210,221],"rapid":[6],"development":[7],"of":[8,17,52,76,89,192,209],"Massive":[9],"Open":[10],"Online":[11],"Courses":[12],"(MOOCs),":[13],"a":[14,50,87,115,144,163],"large":[15],"number":[16],"students":[18,30,68],"participate":[19],"in":[20,56,114,136,173],"MOOC":[21,23,57,231],"courses.":[22],"course":[24,65],"forum":[25],"is":[26,84],"very":[27],"important":[28],"for":[29,62,91,149,154,230],"discussing":[31],"questions":[32],"related":[33],"to":[34,44,80,85,106,162],"online":[35],"courses":[36,58],"when":[37],"they":[38],"don\u2019t":[39],"have":[40],"enough":[41],"offline":[42],"resources":[43],"get":[45],"help":[46],"from.":[47],"There":[48],"are":[49,60,69,104],"lot":[51],"qualified":[53],"discussion":[54],"threads":[55,90,113,161,168,181],"which":[59,159],"helpful":[61],"understanding":[63],"materials.":[66],"However,":[67],"always":[70],"overwhelmed":[71],"by":[72,170,182,195],"enormous":[74],"amount":[75],"threads.":[77],"A":[78],"solution":[79],"alleviate":[81],"this":[82,140],"problem":[83],"recommend":[86],"list":[88],"each":[92],"student":[93,164,172,194],"that":[94,137,220],"she/he":[95],"may":[96],"be":[97],"interested":[98],"in.":[99],"Existing":[100],"thread":[101,151,204,232],"recommender":[102],"systems":[103],"insufficient":[105],"capture":[107,188],"complex":[109],"relationships":[110,179],"among":[111,180],"student\u2019s":[116,127],"visit":[117],"session,":[118,176],"and":[119,200],"do":[120],"not":[121],"simultaneously":[122],"take":[123],"into":[124],"account":[125],"global":[128,190],"preference,":[129],"as":[130,132,205],"well":[131],"her/his":[133],"current":[134,175,207],"interest":[135,208],"session.":[138],"work,":[141],"we":[142,187],"propose":[143],"novel":[145],"neural":[146],"network":[147],"framework":[148],"session-based":[150],"recommendation":[152],"(STR-SA":[153],"short).":[155],"The":[156],"proposed":[157,222],"method,":[158],"recommends":[160],"based":[165],"on":[166,215],"viewed":[169,198],"learns":[177],"applying":[183],"self-attention":[184],"mechanism.":[185],"Furthermore,":[186],"preference":[191],"combining":[196],"threads,":[199],"consider":[201],"latest-viewed":[203],"student.":[211],"Extensive":[212],"experiments":[213],"conducted":[214],"three":[216],"course-forum":[217],"datasets":[218],"show":[219],"model":[223],"STR-SA":[224],"significantly":[225],"outperforms":[226],"other":[227],"representative":[228],"methods":[229],"recommendation.":[233]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}