{"id":"https://openalex.org/W3042843203","doi":"https://doi.org/10.1145/3340631.3394882","title":"Discovering Related Users in Location-based Social Networks","display_name":"Discovering Related Users in Location-based Social Networks","publication_year":2020,"publication_date":"2020-07-07","ids":{"openalex":"https://openalex.org/W3042843203","doi":"https://doi.org/10.1145/3340631.3394882","mag":"3042843203"},"language":"en","primary_location":{"id":"doi:10.1145/3340631.3394882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3340631.3394882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 28th ACM Conference on User Modeling, Adaptation and Personalization","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10486/703005","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065042172","display_name":"Sergio Torrijos","orcid":null},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Sergio Torrijos","raw_affiliation_strings":["Universidad Aut\u00f3noma de Madrid, Madrid, Spain"],"affiliations":[{"raw_affiliation_string":"Universidad Aut\u00f3noma de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029757626","display_name":"Alejandro Bellog\u00edn","orcid":"https://orcid.org/0000-0001-6368-2510"},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alejandro Bellog\u00edn","raw_affiliation_strings":["Universidad Aut\u00f3noma de Madrid, Madrid, Spain"],"affiliations":[{"raw_affiliation_string":"Universidad Aut\u00f3noma de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I63634437"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058279882","display_name":"Pablo S\u00e1nchez","orcid":"https://orcid.org/0000-0003-1792-1706"},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pablo S\u00e1nchez","raw_affiliation_strings":["Universidad Aut\u00f3noma de Madrid, Madrid, Spain"],"affiliations":[{"raw_affiliation_string":"Universidad Aut\u00f3noma de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I63634437"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5065042172"],"corresponding_institution_ids":["https://openalex.org/I63634437"],"apc_list":null,"apc_paid":null,"fwci":3.6175,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.94062077,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"1906","issue":null,"first_page":"353","last_page":"357"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.996999979019165,"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/T11106","display_name":"Data Management and Algorithms","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/exploit","display_name":"Exploit","score":0.8839007616043091},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8039920330047607},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6746823191642761},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.6481586694717407},{"id":"https://openalex.org/keywords/neglect","display_name":"Neglect","score":0.5127609372138977},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3869993984699249},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.38335472345352173},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38122791051864624},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.35333451628685},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.35177916288375854},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.13978123664855957}],"concepts":[{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.8839007616043091},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8039920330047607},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6746823191642761},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.6481586694717407},{"id":"https://openalex.org/C2776289891","wikidata":"https://www.wikidata.org/wiki/Q1931511","display_name":"Neglect","level":2,"score":0.5127609372138977},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3869993984699249},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.38335472345352173},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38122791051864624},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.35333451628685},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.35177916288375854},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.13978123664855957},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3340631.3394882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3340631.3394882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 28th ACM Conference on User Modeling, Adaptation and Personalization","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.uam.es:10486/703005","is_oa":true,"landing_page_url":"http://hdl.handle.net/10486/703005","pdf_url":null,"source":{"id":"https://openalex.org/S4306400963","display_name":"Biblos-e Archivo (Universidad Aut\u00f3noma de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63634437","host_organization_name":"Universidad Aut\u00f3noma de Madrid","host_organization_lineage":["https://openalex.org/I63634437"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:repositorio.uam.es:10486/703005","is_oa":true,"landing_page_url":"http://hdl.handle.net/10486/703005","pdf_url":null,"source":{"id":"https://openalex.org/S4306400963","display_name":"Biblos-e Archivo (Universidad Aut\u00f3noma de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63634437","host_organization_name":"Universidad Aut\u00f3noma de Madrid","host_organization_lineage":["https://openalex.org/I63634437"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.5400000214576721}],"awards":[{"id":"https://openalex.org/G2612247868","display_name":null,"funder_award_id":"TIN2016-80630-P","funder_id":"https://openalex.org/F4320315062","funder_display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades"},{"id":"https://openalex.org/G8990580312","display_name":null,"funder_award_id":"2017 call for predoctoral contracts","funder_id":"https://openalex.org/F4320338080","funder_display_name":"European Social Fund"}],"funders":[{"id":"https://openalex.org/F4320315062","display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades","ror":null},{"id":"https://openalex.org/F4320331009","display_name":"Ministerio de Educaci\u00f3n y Formaci\u00f3n Profesional","ror":null},{"id":"https://openalex.org/F4320338080","display_name":"European Social Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W281665770","https://openalex.org/W298464722","https://openalex.org/W914373353","https://openalex.org/W1981886741","https://openalex.org/W2026594557","https://openalex.org/W2028344184","https://openalex.org/W2052626679","https://openalex.org/W2055945388","https://openalex.org/W2082769134","https://openalex.org/W2116206254","https://openalex.org/W2121710227","https://openalex.org/W2125199477","https://openalex.org/W2137862811","https://openalex.org/W2140310134","https://openalex.org/W2144994235","https://openalex.org/W2150461219","https://openalex.org/W2150886314","https://openalex.org/W2171279286","https://openalex.org/W2213191543","https://openalex.org/W2236009467","https://openalex.org/W2293286118","https://openalex.org/W2329660289","https://openalex.org/W2574848952","https://openalex.org/W2600077159","https://openalex.org/W2728796024","https://openalex.org/W2740832655","https://openalex.org/W2751600782","https://openalex.org/W2751912151","https://openalex.org/W2757446070","https://openalex.org/W2899635405","https://openalex.org/W2905094974","https://openalex.org/W2908054697","https://openalex.org/W2947900840","https://openalex.org/W2957191877","https://openalex.org/W2997437965","https://openalex.org/W3105114834"],"related_works":["https://openalex.org/W2968745142","https://openalex.org/W2809363009","https://openalex.org/W2348159088","https://openalex.org/W2045871438","https://openalex.org/W2350747448","https://openalex.org/W2368095327","https://openalex.org/W2997512100","https://openalex.org/W2122731942","https://openalex.org/W2883883483","https://openalex.org/W3176030002"],"abstract_inverted_index":{"Users":[0],"from":[1],"Location-Based":[2],"Social":[3],"Networks":[4],"can":[5],"be":[6,94],"characterised":[7],"by":[8],"how":[9],"and":[10,58,61,76,105],"where":[11],"they":[12],"move.":[13],"However,":[14],"most":[15],"of":[16,23,42],"the":[17,66,78],"works":[18],"that":[19,90],"exploit":[20],"this":[21,34,69],"type":[22],"information":[24],"neglect":[25],"either":[26],"its":[27,30],"sequential":[28],"or":[29],"geographical":[31],"properties.":[32],"In":[33],"article,":[35],"we":[36,50,71,100],"focus":[37],"on":[38,47,55,65,80],"a":[39,73],"specific":[40],"family":[41],"recommender":[43],"systems,":[44],"those":[45],"based":[46,54],"nearest":[48],"neighbours;":[49],"define":[51],"related":[52],"users":[53],"common":[56],"check-ins":[57],"similar":[59],"trajectories":[60],"analyse":[62],"their":[63],"effects":[64],"recommendations.":[67,107],"For":[68],"purpose,":[70],"use":[72],"real-world":[74],"dataset":[75],"compare":[77],"performance":[79],"different":[81],"dimensions":[82],"against":[83],"several":[84],"state-of-the-art":[85],"algorithms.":[86],"The":[87],"results":[88],"show":[89],"better":[91],"neighbours":[92],"could":[93],"discovered":[95],"with":[96],"these":[97],"approaches":[98],"if":[99],"want":[101],"to":[102],"promote":[103],"novel":[104],"diverse":[106]},"counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}