{"id":"https://openalex.org/W295331174","doi":null,"title":"Location-Based Social Networks: Latent Topics Mining and Hybrid Trust-Based Recommendation","display_name":"Location-Based Social Networks: Latent Topics Mining and Hybrid Trust-Based Recommendation","publication_year":2015,"publication_date":"2015-05-07","ids":{"openalex":"https://openalex.org/W295331174","mag":"295331174"},"language":"en","primary_location":{"id":"pmh:oai:d-scholarship.pitt.edu:24983","doi":null,"is_oa":false,"landing_page_url":"https://d-scholarship.pitt.edu/24983/1/Long_Dissertation.pdf","pdf_url":"https://d-scholarship.pitt.edu/24983/1/Long_Dissertation.pdf","source":{"id":"https://openalex.org/S4306402372","display_name":"D-Scholarship@Pitt (University of Pittsburgh)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I170201317","host_organization_name":"University of Pittsburgh","host_organization_lineage":["https://openalex.org/I170201317"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5003700178","display_name":"Xuelian Long","orcid":"https://orcid.org/0000-0002-4164-8474","observed_orcids":["https://orcid.org/0000-0002-4164-8474"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Xuelian Long","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4164-8474","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5003700178"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4588,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.750949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9932000041007996,"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"}},"topics":[{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9932000041007996,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.004600000102072954,"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/T11106","display_name":"Data Management and Algorithms","score":0.0010000000474974513,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/location-based-social-networks","display_name":"location-based social networks","score":1.0},{"id":"https://openalex.org/keywords/check-in-data","display_name":"check-in data","score":0.7039999961853027},{"id":"https://openalex.org/keywords/venue-popularity","display_name":"venue popularity","score":0.5619999766349792},{"id":"https://openalex.org/keywords/human-mobility-patterns","display_name":"human mobility patterns","score":0.7599999904632568},{"id":"https://openalex.org/keywords/point-of-interest-recommendation","display_name":"point-of-interest recommendation","score":0.7269999980926514},{"id":"https://openalex.org/keywords/trust-based-recommendation","display_name":"trust-based recommendation","score":0.953000009059906},{"id":"https://openalex.org/keywords/hybrid-recommendation","display_name":"hybrid recommendation","score":0.7609999775886536},{"id":"https://openalex.org/keywords/foursquare","display_name":"Foursquare","score":0.7450000047683716}],"concepts":[{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.6549412608146667},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6465615034103394},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.5022721290588379},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4946584403514862},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.4640345573425293},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.4608902335166931},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.4459453821182251},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.43742191791534424},{"id":"https://openalex.org/C41856607","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"Geographic information system","level":2,"score":0.43391984701156616},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3975267708301544},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1674591600894928},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.14974519610404968},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1102418303489685},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","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/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:d-scholarship.pitt.edu:24983","doi":null,"is_oa":false,"landing_page_url":"https://d-scholarship.pitt.edu/24983/1/Long_Dissertation.pdf","pdf_url":"https://d-scholarship.pitt.edu/24983/1/Long_Dissertation.pdf","source":{"id":"https://openalex.org/S4306402372","display_name":"D-Scholarship@Pitt (University of Pittsburgh)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I170201317","host_organization_name":"University of Pittsburgh","host_organization_lineage":["https://openalex.org/I170201317"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"},{"id":"mag:295331174","doi":null,"is_oa":false,"landing_page_url":"http://d-scholarship.pitt.edu/24983/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.47999998927116394,"display_name":"Sustainable cities and communities"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":63,"referenced_works":["https://openalex.org/W7143572","https://openalex.org/W51475236","https://openalex.org/W197497516","https://openalex.org/W1534233039","https://openalex.org/W1544540079","https://openalex.org/W1599541430","https://openalex.org/W1880262756","https://openalex.org/W1939407039","https://openalex.org/W1964717191","https://openalex.org/W1965327747","https://openalex.org/W1967635926","https://openalex.org/W1982300822","https://openalex.org/W1982397092","https://openalex.org/W1982944175","https://openalex.org/W1985109665","https://openalex.org/W1988545169","https://openalex.org/W1995103535","https://openalex.org/W1995629273","https://openalex.org/W2001344462","https://openalex.org/W2009799282","https://openalex.org/W2011229704","https://openalex.org/W2013581884","https://openalex.org/W2013598124","https://openalex.org/W2026016807","https://openalex.org/W2032741002","https://openalex.org/W2045686369","https://openalex.org/W2047240862","https://openalex.org/W2047443612","https://openalex.org/W2054141820","https://openalex.org/W2054539343","https://openalex.org/W2059512573","https://openalex.org/W2063718055","https://openalex.org/W2073021764","https://openalex.org/W2087692915","https://openalex.org/W2090978188","https://openalex.org/W2093824079","https://openalex.org/W2101077364","https://openalex.org/W2101108259","https://openalex.org/W2101180523","https://openalex.org/W2101902057","https://openalex.org/W2108432893","https://openalex.org/W2110953678","https://openalex.org/W2112738128","https://openalex.org/W2116300606","https://openalex.org/W2116597564","https://openalex.org/W2125761757","https://openalex.org/W2133269759","https://openalex.org/W2133299088","https://openalex.org/W2133400794","https://openalex.org/W2135598826","https://openalex.org/W2136664839","https://openalex.org/W2138621811","https://openalex.org/W2139809240","https://openalex.org/W2139872359","https://openalex.org/W2140251882","https://openalex.org/W2141113219","https://openalex.org/W2142144955","https://openalex.org/W2147152072","https://openalex.org/W2155048531","https://openalex.org/W2164061616","https://openalex.org/W2166008665","https://openalex.org/W2171960770","https://openalex.org/W2294749418"],"related_works":["https://openalex.org/W2101180523","https://openalex.org/W2043361611","https://openalex.org/W2963850536","https://openalex.org/W2405496393","https://openalex.org/W3109842743","https://openalex.org/W7100428782","https://openalex.org/W4306778587","https://openalex.org/W2910630543","https://openalex.org/W7096322421","https://openalex.org/W2272444397"],"abstract_inverted_index":{"The":[0,254,295],"rapid":[1],"advances":[2],"of":[3,14,67,95,145,192,267,271,273,282,338],"the":[4,12,15,27,31,85,135,193,208,213,219,225,236,247,259,265,299,317,328,332],"4th":[5],"generation":[6],"mobile":[7,17],"networks,":[8],"social":[9,55,101,305],"media":[10],"and":[11,39,47,78,110,123,139,150,169,221,284,307,323,331],"ubiquity":[13],"advanced":[16],"devices":[18],"in":[19,74,128,185,227,292],"which":[20],"GPS":[21],"modules":[22],"are":[23,114],"embedded":[24],"have":[25,43,91],"enabled":[26],"location-based":[28],"services,":[29],"especially":[30],"Location-Based":[32],"Social":[33],"Networks":[34],"(LBSNs)":[35],"such":[36],"as":[37],"Foursquare":[38,329],"Facebook":[40],"Places.":[41],"LBSNs":[42,90,149],"been":[44],"attracting":[45],"more":[46,48],"users":[49],"by":[50],"providing":[51],"services":[52],"that":[53,217],"integrate":[54],"activities":[56,102],"with":[57,84,104,229,240],"geographic":[58,215,238,248,261],"information.":[59,108],"In":[60,160],"LBSNs,":[61],"a":[62,152,167,177,189,202,286],"user":[63],"can":[64],"explore":[65,246],"places":[66],"interests":[68],"around":[69],"his":[70,82,88],"current":[71],"location,":[72],"check":[73],"at":[75],"these":[76],"venues":[77],"also":[79,234],"selectively":[80],"share":[81],"check-ins":[83],"public":[86],"or":[87,100],"friends.":[89],"accumulated":[92],"large":[93],"amounts":[94,144],"information":[96,113,146],"related":[97,120],"to":[98,116,121,133,206,211,311],"personal":[99],"along":[103],"their":[105,124],"associated":[106],"location":[107,269],"Analyzing":[109],"mining":[111,258],"LBSN":[112,158],"important":[115],"understand":[117,134],"human":[118,136],"preferences":[119,196,270,281],"locations":[122,226,283],"mobility":[125,137],"patterns.":[126],"Therefore,":[127],"this":[129,161,293],"thesis,":[130],"we":[131,163,200,245,276],"aim":[132],"behavior":[138,310],"patterns":[140],"based":[141,175,250,301,326],"on":[142,148,176,197,251,278,302,327],"huge":[143],"available":[147],"provide":[151,312],"hybrid":[153,287,319],"trust-based":[154,288,320],"POI":[155,289,313],"recommendation":[156,290,321],"for":[157,257],"users.":[159,274],"dissertation,":[162],"first":[164],"carry":[165],"out":[166],"comprehensive":[168],"quantitative":[170],"analysis":[171],"about":[172],"venue":[173],"popularity":[174],"cumulative":[178],"dataset":[179,210,330],"collected":[180],"from":[181],"greater":[182],"Pittsburgh":[183],"area":[184],"Foursquare.":[186],"It":[187],"provides":[188],"general":[190],"understanding":[191,268],"online":[194],"population's":[195],"locations.":[198],"Then,":[199],"employ":[201],"probabilistic":[203],"graphical":[204],"model":[205],"mine":[207],"check-in":[209,231,309],"discover":[212],"local":[214,237],"topics":[216,239,249,262],"capture":[218],"potential":[220],"intrinsic":[222],"relations":[223],"among":[224],"accordance":[228],"users'":[230,304,308],"histories.":[232],"We":[233,315],"investigate":[235],"different":[241],"temporal":[242],"aspects.":[243],"Moreover,":[244],"travelers'":[252],"check-ins.":[253],"proposed":[255,296,318,340],"approach":[256,297],"latent":[260],"successfully":[263],"addresses":[264],"challenges":[266],"groups":[272],"Lastly,":[275],"focus":[277],"individual":[279],"user's":[280],"propose":[285],"algorithm":[291,322],"thesis.":[294],"integrates":[298],"trust":[300],"both":[303],"relationship":[306],"recommendations.":[314],"implement":[316],"evaluate":[324],"it":[325],"experimental":[333],"results":[334],"show":[335],"good":[336],"performances":[337],"our":[339],"algorithm.":[341]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}