{"id":"https://openalex.org/W3133451866","doi":"https://doi.org/10.1109/tkde.2021.3059744","title":"Point-of-Interest Recommendation With Global and Local Context","display_name":"Point-of-Interest Recommendation With Global and Local Context","publication_year":2021,"publication_date":"2021-02-17","ids":{"openalex":"https://openalex.org/W3133451866","doi":"https://doi.org/10.1109/tkde.2021.3059744","mag":"3133451866"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2021.3059744","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2021.3059744","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/A5100708902","display_name":"Peng Han","orcid":"https://orcid.org/0000-0003-1201-2060"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Peng Han","raw_affiliation_strings":["King Abdullah University of Science and Technology, Thuwal, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0003-1201-2060","affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","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":["University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"raw_orcid":"https://orcid.org/0000-0002-1117-2890","affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100618738","display_name":"Aixin Sun","orcid":"https://orcid.org/0000-0003-0764-4258"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Aixin Sun","raw_affiliation_strings":["Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0003-0764-4258","affiliations":[{"raw_affiliation_string":"Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015991234","display_name":"Peilin Zhao","orcid":"https://orcid.org/0000-0001-8543-3953"},"institutions":[{"id":"https://openalex.org/I2250653659","display_name":"Tencent (China)","ror":"https://ror.org/00hhjss72","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250653659"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peilin Zhao","raw_affiliation_strings":["Tencent AI Lab, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tencent AI Lab, Shenzhen, China","institution_ids":["https://openalex.org/I2250653659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100603979","display_name":"Kai Zheng","orcid":"https://orcid.org/0000-0002-0217-3998"},"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":"Kai Zheng","raw_affiliation_strings":["University of Electronic Science and Technology of China, Chengdu, Sichuan, China"],"raw_orcid":"https://orcid.org/0000-0002-0217-3998","affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000755750","display_name":"Xiangliang Zhang","orcid":"https://orcid.org/0000-0002-3574-5665"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Xiangliang Zhang","raw_affiliation_strings":["King Abdullah University of Science and Technology, Thuwal, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0002-3574-5665","affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":13.0273,"has_fulltext":false,"cited_by_count":58,"citation_normalized_percentile":{"value":0.98717975,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"34","issue":"11","first_page":"5484","last_page":"5495"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9902999997138977,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.949400007724762,"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":0.8515146374702454},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6163616180419922},{"id":"https://openalex.org/keywords/point-of-interest","display_name":"Point of interest","score":0.5956485271453857},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5726616382598877},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.5283994078636169},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5117611885070801},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4971807301044464},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4961131513118744},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.45043376088142395},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.42582860589027405},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.42344382405281067},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.42245927453041077},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3733252286911011},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32753974199295044},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11501374840736389}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8515146374702454},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6163616180419922},{"id":"https://openalex.org/C150140777","wikidata":"https://www.wikidata.org/wiki/Q960648","display_name":"Point of interest","level":2,"score":0.5956485271453857},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5726616382598877},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5283994078636169},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5117611885070801},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4971807301044464},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4961131513118744},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.45043376088142395},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.42582860589027405},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.42344382405281067},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.42245927453041077},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3733252286911011},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32753974199295044},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11501374840736389},{"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/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tkde.2021.3059744","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2021.3059744","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"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/667654","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/667654","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4223126646","display_name":"\u5e94\u7528\u9a71\u52a8\u7684\u5927\u56fe\u6570\u636e\u5efa\u6a21\u7406\u8bba\u4e0e\u7b97\u6cd5\u7814\u7a76","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":54,"referenced_works":["https://openalex.org/W7143572","https://openalex.org/W1546409232","https://openalex.org/W1972436494","https://openalex.org/W1976999215","https://openalex.org/W1981886741","https://openalex.org/W1984189333","https://openalex.org/W1997348703","https://openalex.org/W2001344462","https://openalex.org/W2017921654","https://openalex.org/W2044672016","https://openalex.org/W2054141820","https://openalex.org/W2061212083","https://openalex.org/W2073013176","https://openalex.org/W2073021764","https://openalex.org/W2087692915","https://openalex.org/W2097308346","https://openalex.org/W2101409192","https://openalex.org/W2117587045","https://openalex.org/W2124187902","https://openalex.org/W2128877075","https://openalex.org/W2140310134","https://openalex.org/W2151295706","https://openalex.org/W2153207204","https://openalex.org/W2156718197","https://openalex.org/W2157825442","https://openalex.org/W2237874459","https://openalex.org/W2249806197","https://openalex.org/W2313076811","https://openalex.org/W2362771282","https://openalex.org/W2394103513","https://openalex.org/W2408538552","https://openalex.org/W2471486255","https://openalex.org/W2539247542","https://openalex.org/W2551637362","https://openalex.org/W2565412869","https://openalex.org/W2616071153","https://openalex.org/W2728796024","https://openalex.org/W2741359394","https://openalex.org/W2743289629","https://openalex.org/W2751694342","https://openalex.org/W2945827670","https://openalex.org/W2947144452","https://openalex.org/W2978811240","https://openalex.org/W3084861690","https://openalex.org/W3090968664","https://openalex.org/W3100278010","https://openalex.org/W6600283903","https://openalex.org/W6607690188","https://openalex.org/W6632885370","https://openalex.org/W6680830989","https://openalex.org/W6682755970","https://openalex.org/W6690035613","https://openalex.org/W6713960209","https://openalex.org/W6729730966"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W1484355083","https://openalex.org/W4220714703","https://openalex.org/W2098758514","https://openalex.org/W2735929803","https://openalex.org/W3008845055","https://openalex.org/W2170391450","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W3014393615"],"abstract_inverted_index":{"The":[0],"task":[1,85],"of":[2,4,39],"point":[3],"interest":[5],"(POI)":[6],"recommendation":[7,25,55,84],"aims":[8],"to":[9,13,51,86,110,165],"recommend":[10],"unvisited":[11,99],"places":[12],"users":[14],"based":[15],"on":[16,146],"their":[17],"check-in":[18],"history.":[19],"A":[20],"major":[21],"challenge":[22],"in":[23,124,138],"POI":[24,54,139,171],"is":[26],"data":[27,76],"sparsity,":[28],"because":[29],"a":[30,35,87,105],"user":[31],"typically":[32],"visits":[33],"only":[34],"very":[36],"small":[37],"number":[38],"POIs":[40],"among":[41],"all":[42],"available":[43],"POIs.":[44],"In":[45,141],"this":[46,142],"paper,":[47],"we":[48,81,144],"propose":[49],"AUC-MF":[50,160],"address":[52],"the":[53,61,83,91,98,112,117],"problem":[56],"by":[57],"maximizing":[58],"Area":[59],"Under":[60],"ROC":[62],"curve":[63],"(AUC).":[64],"AUC":[65,109],"has":[66],"been":[67],"widely":[68],"used":[69],"for":[70,108,170],"measuring":[71],"classification":[72,88],"performance":[73],"with":[74],"imbalanced":[75],"distributions.":[77],"To":[78],"optimize":[79],"AUC,":[80],"transform":[82],"problem,":[89],"where":[90],"visited":[92],"locations":[93],"are":[94,100],"positive":[95],"examples":[96],"and":[97,120,153],"negative":[101],"ones.":[102],"We":[103,156],"define":[104],"new":[106],"lambda":[107],"utilize":[111],"LambdaMF":[113],"model,":[114],"which":[115],"combines":[116],"lambda-based":[118],"method":[119],"matrix":[121],"factorization":[122],"model":[123],"collaborative":[125],"filtering.":[126],"Many":[127],"studies":[128],"have":[129],"shown":[130],"that":[131,159],"geographic":[132,149],"information":[133,169],"plays":[134],"an":[135],"important":[136],"role":[137],"recommendation.":[140,172],"study,":[143],"focus":[145],"two":[147],"levels":[148],"information:":[150],"local":[151],"similarity":[152],"global":[154],"similarity.":[155],"further":[157],"show":[158],"can":[161],"be":[162],"easily":[163],"extended":[164],"incorporate":[166],"geographical":[167],"contextual":[168]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
