{"id":"https://openalex.org/W3082147375","doi":"https://doi.org/10.3390/ijgi9090519","title":"A Social\u2013Aware Recommender System Based on User\u2019s Personal Smart Devices","display_name":"A Social\u2013Aware Recommender System Based on User\u2019s Personal Smart Devices","publication_year":2020,"publication_date":"2020-08-30","ids":{"openalex":"https://openalex.org/W3082147375","doi":"https://doi.org/10.3390/ijgi9090519","mag":"3082147375"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi9090519","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9090519","pdf_url":"https://www.mdpi.com/2220-9964/9/9/519/pdf?version=1599108108","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2220-9964/9/9/519/pdf?version=1599108108","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080154413","display_name":"Soroush Ojagh","orcid":"https://orcid.org/0000-0003-4773-1938"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]},{"id":"https://openalex.org/I80543232","display_name":"K.N.Toosi University of Technology","ror":"https://ror.org/0433abe34","country_code":"IR","type":"education","lineage":["https://openalex.org/I80543232"]}],"countries":["CA","IR"],"is_corresponding":true,"raw_author_name":"Soroush Ojagh","raw_affiliation_strings":["Department of Geomatics Engineering, University of Calgary, Calgary, AB T2N 4V8, Canada","Dept. of GIS, Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran 19967-15433, Iran"],"raw_orcid":"https://orcid.org/0000-0003-4773-1938","affiliations":[{"raw_affiliation_string":"Department of Geomatics Engineering, University of Calgary, Calgary, AB T2N 4V8, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"Dept. of GIS, Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran 19967-15433, Iran","institution_ids":["https://openalex.org/I80543232"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072014242","display_name":"Mohammad Reza Malek","orcid":"https://orcid.org/0000-0002-0893-8197"},"institutions":[{"id":"https://openalex.org/I80543232","display_name":"K.N.Toosi University of Technology","ror":"https://ror.org/0433abe34","country_code":"IR","type":"education","lineage":["https://openalex.org/I80543232"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Reza Malek","raw_affiliation_strings":["Dept. of GIS, Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran 19967-15433, Iran"],"raw_orcid":"https://orcid.org/0000-0002-0893-8197","affiliations":[{"raw_affiliation_string":"Dept. of GIS, Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran 19967-15433, Iran","institution_ids":["https://openalex.org/I80543232"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052021537","display_name":"Sara Saeedi","orcid":"https://orcid.org/0000-0003-1480-6382"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Sara Saeedi","raw_affiliation_strings":["Department of Geomatics Engineering, University of Calgary, Calgary, AB T2N 4V8, Canada"],"raw_orcid":"https://orcid.org/0000-0003-1480-6382","affiliations":[{"raw_affiliation_string":"Department of Geomatics Engineering, University of Calgary, Calgary, AB T2N 4V8, Canada","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080154413"],"corresponding_institution_ids":["https://openalex.org/I168635309","https://openalex.org/I80543232"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":4.4554,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.95201408,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"9","issue":"9","first_page":"519","last_page":"519"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":1.0,"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":1.0,"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":0.9854000210762024,"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":0.9842000007629395,"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/rss","display_name":"RSS","score":0.9509416818618774},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.8468184471130371},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8428372144699097},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8068451881408691},{"id":"https://openalex.org/keywords/personalization","display_name":"Personalization","score":0.786449670791626},{"id":"https://openalex.org/keywords/cold-start","display_name":"Cold start (automotive)","score":0.69391268491745},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.684777021408081},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.6602275371551514},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5837306380271912},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5431368350982666},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4387394189834595},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.381320595741272},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3136371374130249},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22307774424552917}],"concepts":[{"id":"https://openalex.org/C2385561","wikidata":"https://www.wikidata.org/wiki/Q45432","display_name":"RSS","level":2,"score":0.9509416818618774},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8468184471130371},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8428372144699097},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8068451881408691},{"id":"https://openalex.org/C183003079","wikidata":"https://www.wikidata.org/wiki/Q1000371","display_name":"Personalization","level":2,"score":0.786449670791626},{"id":"https://openalex.org/C2778956030","wikidata":"https://www.wikidata.org/wiki/Q5142477","display_name":"Cold start (automotive)","level":2,"score":0.69391268491745},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.684777021408081},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.6602275371551514},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5837306380271912},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5431368350982666},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4387394189834595},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.381320595741272},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3136371374130249},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22307774424552917},{"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/ijgi9090519","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9090519","pdf_url":"https://www.mdpi.com/2220-9964/9/9/519/pdf?version=1599108108","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a83ba28a27044fa3bc2bb0c2c0975c7b","is_oa":true,"landing_page_url":"https://doaj.org/article/a83ba28a27044fa3bc2bb0c2c0975c7b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information, Vol 9, Iss 9, p 519 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2220-9964/9/9/519/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/ijgi9090519","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information; Volume 9; Issue 9; Pages: 519","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/ijgi9090519","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9090519","pdf_url":"https://www.mdpi.com/2220-9964/9/9/519/pdf?version=1599108108","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310537","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39"},{"id":"https://openalex.org/F4320322705","display_name":"K.N.Toosi University of Technology","ror":"https://ror.org/0433abe34"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3082147375.pdf","grobid_xml":"https://content.openalex.org/works/W3082147375.grobid-xml"},"referenced_works_count":67,"referenced_works":["https://openalex.org/W16088600","https://openalex.org/W65475262","https://openalex.org/W79036413","https://openalex.org/W187986345","https://openalex.org/W1534784017","https://openalex.org/W1560147776","https://openalex.org/W1564013439","https://openalex.org/W1565474108","https://openalex.org/W1677272336","https://openalex.org/W1708545355","https://openalex.org/W1922358015","https://openalex.org/W1928657304","https://openalex.org/W1971040550","https://openalex.org/W1972436494","https://openalex.org/W1976062966","https://openalex.org/W1979761939","https://openalex.org/W2003281694","https://openalex.org/W2012281465","https://openalex.org/W2018597607","https://openalex.org/W2021180937","https://openalex.org/W2026789128","https://openalex.org/W2053585176","https://openalex.org/W2109341352","https://openalex.org/W2112430581","https://openalex.org/W2117354486","https://openalex.org/W2122820955","https://openalex.org/W2147237371","https://openalex.org/W2155211535","https://openalex.org/W2182038401","https://openalex.org/W2186920235","https://openalex.org/W2219888463","https://openalex.org/W2351082254","https://openalex.org/W2434646184","https://openalex.org/W2529702473","https://openalex.org/W2556308296","https://openalex.org/W2605606249","https://openalex.org/W2609105278","https://openalex.org/W2729546866","https://openalex.org/W2754493004","https://openalex.org/W2774893698","https://openalex.org/W2781850661","https://openalex.org/W2791180050","https://openalex.org/W2898840187","https://openalex.org/W2900229157","https://openalex.org/W2906995678","https://openalex.org/W2913469098","https://openalex.org/W2923561220","https://openalex.org/W2929354337","https://openalex.org/W2940345198","https://openalex.org/W2946491331","https://openalex.org/W2950771551","https://openalex.org/W2963468816","https://openalex.org/W2988082541","https://openalex.org/W2994142635","https://openalex.org/W2995334457","https://openalex.org/W2999851651","https://openalex.org/W3002169615","https://openalex.org/W3008499090","https://openalex.org/W3042843203","https://openalex.org/W3103926008","https://openalex.org/W4210944918","https://openalex.org/W4210983947","https://openalex.org/W4231989726","https://openalex.org/W4250664506","https://openalex.org/W6640324393","https://openalex.org/W6687032237","https://openalex.org/W6705549791"],"related_works":["https://openalex.org/W3177075132","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W1484355083","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2358418295","https://openalex.org/W2170391450","https://openalex.org/W2497939785","https://openalex.org/W2735929803"],"abstract_inverted_index":{"Providing":[0],"recommendations":[1,129,149],"in":[2,169,188],"cold":[3,30,189],"start":[4,31,190],"situations":[5],"is":[6,125,167],"one":[7],"of":[8,34,42,148,164],"the":[9,29,35,40,72,84,109,138,143,162,165,180],"most":[10,33],"challenging":[11],"problems":[12],"for":[13,46,95,108],"collaborative":[14,157],"filtering":[15,158],"based":[16,99],"recommender":[17],"systems":[18],"(RSs).":[19],"Although":[20],"user":[21,61,88,110,114],"social":[22,44,79],"context":[23],"information":[24,94,107],"has":[25],"largely":[26],"contributed":[27],"to":[28,54,75,152],"problem,":[32],"RSs":[36],"still":[37],"suffer":[38],"from":[39],"lack":[41],"initial":[43],"links":[45],"newcomers.":[47],"For":[48],"this":[49,56],"study,":[50],"we":[51],"are":[52],"going":[53],"address":[55],"issue":[57],"using":[58,127],"a":[59,131],"proposed":[60,73,85,123,139,181],"similarity":[62,115,186],"detection":[63],"engine":[64],"(USDE).":[65],"Utilizing":[66],"users\u2019":[67],"personal":[68],"smart":[69],"devices":[70],"enables":[71],"USDE":[74,86,166,177,182],"automatically":[76],"extract":[77],"real-world":[78],"interactions":[80],"between":[81],"users.":[82],"Moreover,":[83],"uses":[87],"clustering":[89,116],"algorithm":[90],"that":[91,137,179],"includes":[92],"contextual":[93,106],"identifying":[96],"similar":[97],"users":[98],"on":[100,176],"their":[101],"profiles.":[102],"The":[103,122,134,172],"dynamically":[104],"updated":[105],"profiles":[111],"helps":[112],"with":[113],"and":[117,145,191],"provides":[118],"more":[119],"personalized":[120],"recommendations.":[121],"RS":[124,140],"evaluated":[126,168],"movie":[128],"as":[130,150],"case":[132],"study.":[133],"results":[135,175],"show":[136,178],"can":[141],"improve":[142],"accuracy":[144],"personalization":[146],"level":[147],"compared":[151],"two":[153],"other":[154],"widely":[155,184],"applied":[156,185],"RSs.":[159],"In":[160],"addition,":[161],"performance":[163],"different":[170],"scenarios.":[171],"conducted":[173],"experimental":[174],"outperforms":[183],"measures":[187],"data":[192],"sparsity":[193],"situations.":[194]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2020-09-08T00:00:00"}
