{"id":"https://openalex.org/W2601157141","doi":"https://doi.org/10.1109/tmm.2017.2688928","title":"A Dynamic Topic Model and Matrix Factorization-Based Travel Recommendation Method Exploiting Ubiquitous Data","display_name":"A Dynamic Topic Model and Matrix Factorization-Based Travel Recommendation Method Exploiting Ubiquitous Data","publication_year":2017,"publication_date":"2017-03-31","ids":{"openalex":"https://openalex.org/W2601157141","doi":"https://doi.org/10.1109/tmm.2017.2688928","mag":"2601157141"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2017.2688928","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2017.2688928","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/A5107116701","display_name":"Zhenxing Xu","orcid":"https://orcid.org/0000-0002-5234-2956"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhenxing Xu","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069988750","display_name":"Ling Chen","orcid":"https://orcid.org/0000-0002-6468-5729"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ling Chen","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031613177","display_name":"Yimeng Dai","orcid":null},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yimeng Dai","raw_affiliation_strings":["School of Computing and Information System, Melbourne University, Melbourne, VIC, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computing and Information System, Melbourne University, Melbourne, VIC, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008536178","display_name":"Gencai Chen","orcid":"https://orcid.org/0000-0001-9138-0229"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gencai Chen","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5107116701"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":9.0732,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.97784407,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"19","issue":"8","first_page":"1933","last_page":"1945"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.998199999332428,"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":0.998199999332428,"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":0.9925000071525574,"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/T11478","display_name":"Caching and Content Delivery","score":0.9793999791145325,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.864380955696106},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6905362606048584},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.6697701215744019},{"id":"https://openalex.org/keywords/point-of-interest","display_name":"Point of interest","score":0.5512375831604004},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.5409845113754272},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5103127360343933},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.496216356754303},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4802580177783966},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4695326089859009},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.4560440182685852},{"id":"https://openalex.org/keywords/non-negative-matrix-factorization","display_name":"Non-negative matrix factorization","score":0.41341519355773926},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2929086685180664},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20229050517082214}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.864380955696106},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6905362606048584},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.6697701215744019},{"id":"https://openalex.org/C150140777","wikidata":"https://www.wikidata.org/wiki/Q960648","display_name":"Point of interest","level":2,"score":0.5512375831604004},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.5409845113754272},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5103127360343933},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.496216356754303},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4802580177783966},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4695326089859009},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.4560440182685852},{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.41341519355773926},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2929086685180664},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20229050517082214},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2017.2688928","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2017.2688928","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/G1395252095","display_name":null,"funder_award_id":"2015C33002","funder_id":"https://openalex.org/F4320338110","funder_display_name":"Science and Technology Department of Zhejiang Province"},{"id":"https://openalex.org/G1426663125","display_name":null,"funder_award_id":"60703040","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1865144911","display_name":null,"funder_award_id":"61332017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5669086584","display_name":null,"funder_award_id":"2011C13042","funder_id":"https://openalex.org/F4320338110","funder_display_name":"Science and Technology Department of Zhejiang Province"},{"id":"https://openalex.org/G6077212529","display_name":null,"funder_award_id":"CKCEST-2014-1-5","funder_id":"https://openalex.org/F4320327609","funder_display_name":"China Knowledge Centre for Engineering Sciences and Technology"},{"id":"https://openalex.org/G8535157311","display_name":null,"funder_award_id":"2010ZX01042-002-003-001","funder_id":"https://openalex.org/F4320323970","funder_display_name":"Ministry of Industry and Information Technology of the People's Republic of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323970","display_name":"Ministry of Industry and Information Technology of the People's Republic of China","ror":"https://ror.org/0385nmy68"},{"id":"https://openalex.org/F4320327609","display_name":"China Knowledge Centre for Engineering Sciences and Technology","ror":null},{"id":"https://openalex.org/F4320338110","display_name":"Science and Technology Department of Zhejiang Province","ror":"https://ror.org/05yj3y977"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":60,"referenced_works":["https://openalex.org/W48679198","https://openalex.org/W59262359","https://openalex.org/W71613673","https://openalex.org/W1494217862","https://openalex.org/W1540921703","https://openalex.org/W1612003148","https://openalex.org/W1673310716","https://openalex.org/W1880262756","https://openalex.org/W1905153633","https://openalex.org/W1915315806","https://openalex.org/W1964729668","https://openalex.org/W1970830946","https://openalex.org/W1979945541","https://openalex.org/W1982397092","https://openalex.org/W1987995612","https://openalex.org/W1995103535","https://openalex.org/W2011101704","https://openalex.org/W2017921654","https://openalex.org/W2018318499","https://openalex.org/W2021504710","https://openalex.org/W2029549784","https://openalex.org/W2036091121","https://openalex.org/W2041262394","https://openalex.org/W2042042333","https://openalex.org/W2042171707","https://openalex.org/W2048272530","https://openalex.org/W2054141820","https://openalex.org/W2055852858","https://openalex.org/W2060024669","https://openalex.org/W2068160960","https://openalex.org/W2070915285","https://openalex.org/W2072644219","https://openalex.org/W2072787293","https://openalex.org/W2073013176","https://openalex.org/W2085554865","https://openalex.org/W2094286023","https://openalex.org/W2099970131","https://openalex.org/W2111039027","https://openalex.org/W2116817084","https://openalex.org/W2127860643","https://openalex.org/W2140251882","https://openalex.org/W2154506601","https://openalex.org/W2189936406","https://openalex.org/W2239018695","https://openalex.org/W2270277444","https://openalex.org/W2292057808","https://openalex.org/W2295739661","https://openalex.org/W2405329296","https://openalex.org/W2465266473","https://openalex.org/W2484331308","https://openalex.org/W2953062473","https://openalex.org/W4234189512","https://openalex.org/W6602030278","https://openalex.org/W6602881032","https://openalex.org/W6636440780","https://openalex.org/W6637131181","https://openalex.org/W6639619044","https://openalex.org/W6640120797","https://openalex.org/W6676843198","https://openalex.org/W6687290802"],"related_works":["https://openalex.org/W2127243424","https://openalex.org/W4390394189","https://openalex.org/W2037504162","https://openalex.org/W2539013788","https://openalex.org/W2792706544","https://openalex.org/W1568451138","https://openalex.org/W2156699640","https://openalex.org/W2045265907","https://openalex.org/W2972997031","https://openalex.org/W34555840"],"abstract_inverted_index":{"The":[0,20,149,170],"vast":[1],"volumes":[2],"of":[3,22,42,65,77,83,120,129,140,145],"community-contributed":[4],"geotagged":[5],"photos":[6],"(CCGPs)":[7],"available":[8,178],"on":[9,175],"the":[10,53,81,111,135,185],"Web":[11],"can":[12,48,188],"be":[13,49],"utilized":[14],"to":[15,29,51,109,153,167,194],"make":[16],"travel":[17,31,43,59,63,86,102,197],"location":[18,24,198],"recommendations.":[19],"sparsity":[21,54],"user":[23,35,58,67],"interactions":[25],"makes":[26],"it":[27],"difficult":[28],"learn":[30],"preferences,":[32],"because":[33],"a":[34,39,66,75,93,126,176],"usually":[36],"visits":[37],"only":[38],"limited":[40],"number":[41],"locations.":[44,123],"Static":[45],"topic":[46,95,114,118],"models":[47],"used":[50,108,152],"solve":[52],"problem":[55],"by":[56],"considering":[57],"topics.":[60],"However,":[61],"all":[62],"histories":[64],"are":[68],"regarded":[69],"as":[70,163],"one":[71],"document":[72],"drawn":[73],"from":[74,134],"set":[76],"static":[78],"topics,":[79],"ignoring":[80],"evolving":[82],"topics":[84],"and":[85,98,122,137,143,156],"preferences.":[87],"In":[88,124],"this":[89],"paper,":[90],"we":[91],"propose":[92],"dynamic":[94],"model":[96],"(DTM)":[97],"matrix":[99],"factorization":[100],"(MF)-based":[101],"recommendation":[103,199],"method.":[104],"A":[105],"DTM":[106],"is":[107,132,151,161,173],"obtain":[110,154],"temporally":[112],"fine-grained":[113],"distributions":[115],"(i.e.,":[116],"implicit":[117],"information)":[119],"users":[121],"addition,":[125],"large":[127],"amount":[128],"explicit":[130],"information":[131,150],"extracted":[133],"metadata":[136],"visual":[138],"contents":[139],"CCGPs,":[141],"check-ins,":[142],"point":[144],"interest":[146],"categories":[147],"datasets.":[148],"user-user":[155],"location-location":[157],"similarity":[158],"information,":[159],"which":[160],"imposed":[162],"two":[164],"regularization":[165],"terms":[166],"constraint":[168],"MF.":[169],"proposed":[171,186],"method":[172,187],"evaluated":[174],"publicly":[177],"Flickr":[179],"dataset.":[180],"Experimental":[181],"results":[182],"demonstrate":[183],"that":[184],"generate":[189],"significantly":[190],"superior":[191],"recommendations":[192],"compared":[193],"other":[195],"state-of-the-art":[196],"studies.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5}],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2025-10-10T00:00:00"}
