{"id":"https://openalex.org/W2944770796","doi":"https://doi.org/10.1155/2019/3560968","title":"An Improved Collaborative Filtering Recommendation Algorithm and Recommendation Strategy","display_name":"An Improved Collaborative Filtering Recommendation Algorithm and Recommendation Strategy","publication_year":2019,"publication_date":"2019-05-07","ids":{"openalex":"https://openalex.org/W2944770796","doi":"https://doi.org/10.1155/2019/3560968","mag":"2944770796"},"language":"en","primary_location":{"id":"doi:10.1155/2019/3560968","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2019/3560968","pdf_url":"http://downloads.hindawi.com/journals/misy/2019/3560968.pdf","source":{"id":"https://openalex.org/S152111507","display_name":"Mobile Information Systems","issn_l":"1574-017X","issn":["1574-017X","1875-905X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile Information Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"http://downloads.hindawi.com/journals/misy/2019/3560968.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Xiaofeng Li","orcid":"https://orcid.org/0000-0002-9485-3084"},"institutions":[{"id":"https://openalex.org/I4210105101","display_name":"Heilongjiang International University","ror":"https://ror.org/01cv0qm48","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210105101"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaofeng Li","raw_affiliation_strings":["Department of Information Engineering, Heilongjiang International University, Harbin 150025, China"],"raw_orcid":"https://orcid.org/0000-0002-9485-3084","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Heilongjiang International University, Harbin 150025, China","institution_ids":["https://openalex.org/I4210105101"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100407418","display_name":"Dong Li","orcid":"https://orcid.org/0000-0002-2599-6065"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Li","raw_affiliation_strings":["School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, China","institution_ids":["https://openalex.org/I204983213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210105101"],"apc_list":{"value":2100,"currency":"USD","value_usd":2100},"apc_paid":{"value":2100,"currency":"USD","value_usd":2100},"fwci":9.2995,"has_fulltext":true,"cited_by_count":46,"citation_normalized_percentile":{"value":0.97895547,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"2019","issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9980999827384949,"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":0.9980999827384949,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.989799976348877,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10609","display_name":"Digital Marketing and Social Media","score":0.9829999804496765,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.9521219730377197},{"id":"https://openalex.org/keywords/movielens","display_name":"MovieLens","score":0.9458111524581909},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8880752921104431},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8062570095062256},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5357590913772583},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4668460786342621},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.4529310166835785},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.28659921884536743}],"concepts":[{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.9521219730377197},{"id":"https://openalex.org/C2776156558","wikidata":"https://www.wikidata.org/wiki/Q4353746","display_name":"MovieLens","level":4,"score":0.9458111524581909},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8880752921104431},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8062570095062256},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5357590913772583},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4668460786342621},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.4529310166835785},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.28659921884536743},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural 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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2019/3560968","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2019/3560968","pdf_url":"http://downloads.hindawi.com/journals/misy/2019/3560968.pdf","source":{"id":"https://openalex.org/S152111507","display_name":"Mobile Information Systems","issn_l":"1574-017X","issn":["1574-017X","1875-905X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile Information Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:83e0b6d8898e4ced8fee76bddb3e4c81","is_oa":false,"landing_page_url":"https://doaj.org/article/83e0b6d8898e4ced8fee76bddb3e4c81","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Mobile Information Systems, Vol 2019 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2019/3560968","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2019/3560968","pdf_url":"http://downloads.hindawi.com/journals/misy/2019/3560968.pdf","source":{"id":"https://openalex.org/S152111507","display_name":"Mobile Information Systems","issn_l":"1574-017X","issn":["1574-017X","1875-905X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile Information Systems","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2944770796.pdf","grobid_xml":"https://content.openalex.org/works/W2944770796.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1971421925","https://openalex.org/W2042276255","https://openalex.org/W2044719661","https://openalex.org/W2095072199","https://openalex.org/W2095293504","https://openalex.org/W2116819994","https://openalex.org/W2133614729","https://openalex.org/W2342828045","https://openalex.org/W2599558711","https://openalex.org/W2733516001","https://openalex.org/W2796745013","https://openalex.org/W2883330445","https://openalex.org/W2891990897","https://openalex.org/W3101413764","https://openalex.org/W4317668321"],"related_works":["https://openalex.org/W2355698112","https://openalex.org/W2022984797","https://openalex.org/W4394818607","https://openalex.org/W2986679525","https://openalex.org/W2797500822","https://openalex.org/W4299358966","https://openalex.org/W2794458286","https://openalex.org/W4205822456","https://openalex.org/W2537367858","https://openalex.org/W4288082747"],"abstract_inverted_index":{"The":[0,17,193],"e-commerce":[1,55],"recommendation":[2,7,11,15,20,28,43,56,73,148,154,174,209],"system":[3,57,175],"mainly":[4],"includes":[5],"content":[6],"technology,":[8,12,169],"collaborative":[9,18,42,72,81,167,200,208],"filtering":[10,19,82,168,201],"and":[13,36,45,68,91,102,146,150,166,191,213],"hybrid":[14],"technology.":[16,29,74],"technology":[21,44,165],"is":[22,89,203],"a":[23,118,159],"successful":[24],"application":[25],"of":[26,40,49,120,152,162],"personalized":[27],"However,":[30],"due":[31],"to":[32,183,205],"the":[33,41,46,54,71,85,99,110,113,124,129,133,139,153,180,198],"sparse":[34],"data":[35,50],"cold":[37],"start":[38],"problems":[39],"continuous":[47],"expansion":[48],"scale":[51],"in":[52,112],"e-commerce,":[53],"also":[58],"faces":[59],"many":[60],"challenges.":[61],"This":[62,156,177],"paper":[63,77,157,178],"has":[64,158],"conducted":[65],"useful":[66],"exploration":[67],"research":[69],"on":[70,98],"Firstly,":[75],"this":[76],"proposed":[78],"an":[79],"improved":[80,199],"algorithm.":[83],"Secondly,":[84],"community":[86,94,111],"detection":[87,95],"algorithm":[88,202],"investigated,":[90],"two":[92,185,207],"overlapping":[93],"algorithms":[96,210],"based":[97],"central":[100],"node":[101],"k-based":[103],"faction":[104],"are":[105],"proposed,":[106],"which":[107,170,188],"effectively":[108],"mine":[109],"network.":[114],"Finally,":[115],"we":[116],"select":[117],"part":[119],"user":[121,125,136],"communities":[122],"from":[123],"network":[126,131,164],"projected":[127],"by":[128],"user-item":[130],"as":[132],"candidate":[134],"neighboring":[135],"set":[137],"for":[138,211],"target":[140],"user,":[141],"thereby":[142],"reducing":[143],"calculation":[144],"time":[145],"increasing":[147],"speed":[149],"accuracy":[151],"system.":[155],"perfect":[160],"combination":[161],"social":[163],"can":[171],"greatly":[172],"increase":[173],"performance.":[176,215],"used":[179],"MovieLens":[181],"dataset":[182],"test":[184],"performance":[186],"indexes":[187],"include":[189],"MAE":[190,212],"RMSE.":[192],"experimental":[194],"results":[195],"show":[196],"that":[197],"superior":[204],"other":[206],"RMSE":[214]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-22T06:23:43.705686","created_date":"2025-10-10T00:00:00"}