{"id":"https://openalex.org/W4383503819","doi":"https://doi.org/10.1109/tmm.2023.3290723","title":"Cross-Task Multimodal Reinforcement for Long Tail Next POI Recommendation","display_name":"Cross-Task Multimodal Reinforcement for Long Tail Next POI Recommendation","publication_year":2023,"publication_date":"2023-07-07","ids":{"openalex":"https://openalex.org/W4383503819","doi":"https://doi.org/10.1109/tmm.2023.3290723"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2023.3290723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3290723","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Multimedia","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/A5101709720","display_name":"Jiangfeng Du","orcid":"https://orcid.org/0009-0003-1265-0959"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiangfeng Du","raw_affiliation_strings":["School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075420567","display_name":"Silin Zhou","orcid":"https://orcid.org/0009-0006-2889-8862"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Silin Zhou","raw_affiliation_strings":["School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101334601","display_name":"Jie Yu","orcid":"https://orcid.org/0009-0001-3628-6384"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Yu","raw_affiliation_strings":["School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100708902","display_name":"Peng Han","orcid":"https://orcid.org/0000-0003-1201-2060"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Han","raw_affiliation_strings":["School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102754146","display_name":"Shuo Shang","orcid":"https://orcid.org/0000-0002-1117-2890"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuo Shang","raw_affiliation_strings":["School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering and Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101709720"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":5.498,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.96009481,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"26","issue":null,"first_page":"1996","last_page":"2005"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.8700647354125977},{"id":"https://openalex.org/keywords/point-of-interest","display_name":"Point of interest","score":0.7715862989425659},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.666069507598877},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5732414722442627},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.5662598013877869},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.5434238910675049},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5293992757797241},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.5279737114906311},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.517447292804718},{"id":"https://openalex.org/keywords/constructive","display_name":"Constructive","score":0.5142330527305603},{"id":"https://openalex.org/keywords/long-tail","display_name":"Long tail","score":0.4589882791042328},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.42414015531539917},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38222837448120117},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.36583471298217773},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.34976112842559814},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.33110034465789795}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8700647354125977},{"id":"https://openalex.org/C150140777","wikidata":"https://www.wikidata.org/wiki/Q960648","display_name":"Point of interest","level":2,"score":0.7715862989425659},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.666069507598877},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5732414722442627},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.5662598013877869},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.5434238910675049},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5293992757797241},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.5279737114906311},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.517447292804718},{"id":"https://openalex.org/C2778701210","wikidata":"https://www.wikidata.org/wiki/Q28130034","display_name":"Constructive","level":3,"score":0.5142330527305603},{"id":"https://openalex.org/C15189868","wikidata":"https://www.wikidata.org/wiki/Q534685","display_name":"Long tail","level":2,"score":0.4589882791042328},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.42414015531539917},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38222837448120117},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.36583471298217773},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.34976112842559814},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.33110034465789795},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2023.3290723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3290723","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Multimedia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4223126646","display_name":null,"funder_award_id":"61932004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4460768019","display_name":null,"funder_award_id":"62032001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6686603084","display_name":null,"funder_award_id":"U2001212","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W1972243012","https://openalex.org/W2071702404","https://openalex.org/W2074194940","https://openalex.org/W2171279286","https://openalex.org/W2408538552","https://openalex.org/W2408569144","https://openalex.org/W2539781657","https://openalex.org/W2788114581","https://openalex.org/W2808111827","https://openalex.org/W2905432015","https://openalex.org/W2913696439","https://openalex.org/W2977469119","https://openalex.org/W2996931760","https://openalex.org/W2997412794","https://openalex.org/W2998167534","https://openalex.org/W3002964390","https://openalex.org/W3009802958","https://openalex.org/W3012632375","https://openalex.org/W3014723908","https://openalex.org/W3015731414","https://openalex.org/W3021805333","https://openalex.org/W3034912136","https://openalex.org/W3035705826","https://openalex.org/W3042006680","https://openalex.org/W3045509867","https://openalex.org/W3080292238","https://openalex.org/W3093097969","https://openalex.org/W3095024162","https://openalex.org/W3108325730","https://openalex.org/W3112681008","https://openalex.org/W3128267727","https://openalex.org/W3133451866","https://openalex.org/W3164797320","https://openalex.org/W3165667847","https://openalex.org/W3167652394","https://openalex.org/W3168146412","https://openalex.org/W3187169135","https://openalex.org/W3189729741","https://openalex.org/W3205997337","https://openalex.org/W3211626409","https://openalex.org/W4283814751","https://openalex.org/W4284668299","https://openalex.org/W4284696020","https://openalex.org/W4285604412","https://openalex.org/W4290927668","https://openalex.org/W4290943973","https://openalex.org/W4296666858","https://openalex.org/W4312575457","https://openalex.org/W4312993805","https://openalex.org/W4321480031","https://openalex.org/W4367046994","https://openalex.org/W4385245566","https://openalex.org/W6632885370","https://openalex.org/W6682137061","https://openalex.org/W6688089849"],"related_works":["https://openalex.org/W4390273403","https://openalex.org/W4386781444","https://openalex.org/W2150182025","https://openalex.org/W3092950680","https://openalex.org/W3197542405","https://openalex.org/W2912355043","https://openalex.org/W2008009586","https://openalex.org/W3114116576","https://openalex.org/W2091340890","https://openalex.org/W2663782410"],"abstract_inverted_index":{"Next":[0],"Point-of-Interest":[1],"(POI)":[2],"recommendation":[3,34,89],"seeks":[4],"to":[5,13,92,131,155],"recommend":[6],"locations":[7],"that":[8,159,177,192],"users":[9,23],"are":[10,63,153],"most":[11,31],"likely":[12],"visit":[14],"next":[15,32,68],"based":[16],"on":[17,172],"their":[18,47,93],"historical":[19],"trajectories,":[20],"providing":[21],"both":[22,188],"and":[24,45,53,163,191],"service":[25],"providers":[26],"with":[27,137],"substantial":[28],"benefits.":[29],"However,":[30],"POI":[33,69],"methods":[35],"calculate":[36],"the":[37,51,58,67,73,107,114,134,144,166,182],"distances":[38],"between":[39],"POIs":[40,62,84,158],"when":[41],"mining":[42],"spatial":[43],"information":[44,120],"adjust":[46],"weights":[48],"accordingly,":[49],"ignoring":[50],"characteristics":[52],"multimedia":[54],"content":[55],"features":[56],"of":[57,83,116,187,193],"regions":[59,117],"in":[60,77,87,185],"which":[61,78,112,152],"located.":[64],"In":[65],"addition,":[66],"recommendations":[70],"suffer":[71],"from":[72,121,140],"long":[74,167],"tail":[75,168],"effect,":[76],"only":[79],"a":[80,99,127],"small":[81],"portion":[82],"appear":[85],"frequently":[86],"users'":[88,161],"lists":[90],"due":[91],"high":[94],"popularity,":[95],"while":[96],"remainders":[97],"maintain":[98],"low":[100],"presence.":[101],"To":[102],"this":[103],"end,":[104],"we":[105,125],"propose":[106],"cross-task":[108,128],"multimodal":[109],"reinforcement":[110,129],"method":[111,180],"enriches":[113],"representations":[115,136,147],"by":[118],"incorporating":[119],"auxiliary":[122,141],"domains.":[123,142],"Moreover,":[124],"devise":[126],"module":[130],"effectively":[132],"integrate":[133],"local":[135],"pre-trained":[138],"encoders":[139],"Actually,":[143],"enhanced":[145],"region":[146],"contain":[148],"constructive":[149],"district":[150],"properties":[151],"helpful":[154],"find":[156],"proper":[157],"suit":[160],"tastes":[162],"thus":[164],"alleviate":[165],"effect.":[169],"Experiments":[170],"conducted":[171],"two":[173],"real-world":[174],"datasets":[175],"indicate":[176],"our":[178],"proposed":[179],"outperforms":[181],"state-of-the-art":[183],"models":[184],"terms":[186],"general":[189],"performance":[190],"niche":[194],"POIs.":[195]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}