{"id":"https://openalex.org/W3013497005","doi":"https://doi.org/10.1109/ieeeconf44664.2019.9048847","title":"Joint User Clustering and Content Caching with Heterogeneous User Content Preferences","display_name":"Joint User Clustering and Content Caching with Heterogeneous User Content Preferences","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W3013497005","doi":"https://doi.org/10.1109/ieeeconf44664.2019.9048847","mag":"3013497005"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf44664.2019.9048847","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf44664.2019.9048847","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 53rd Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},"type":"conference-paper","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/A5051517279","display_name":"Feng Chiu","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Feng Chiu","raw_affiliation_strings":["Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103172192","display_name":"Ting\u2010Yu Kuo","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ting-Yu Kuo","raw_affiliation_strings":["Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101887836","display_name":"Feng\u2010Tsun Chien","orcid":"https://orcid.org/0000-0002-1715-9961"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Feng-Tsun Chien","raw_affiliation_strings":["Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090028379","display_name":"Wan-Jen Huang","orcid":"https://orcid.org/0000-0002-3423-0408"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wan-Jen Huang","raw_affiliation_strings":["Department of Electrical Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090868743","display_name":"Min-Kuan Chang","orcid":"https://orcid.org/0000-0002-0979-0892"},"institutions":[{"id":"https://openalex.org/I162838928","display_name":"National Chung Hsing University","ror":"https://ror.org/05vn3ca78","country_code":"TW","type":"education","lineage":["https://openalex.org/I162838928"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Min-Kuan Chang","raw_affiliation_strings":["Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan","institution_ids":["https://openalex.org/I162838928"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.22206194,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1314","last_page":"1317"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9700000286102295,"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/T12038","display_name":"Covalent Organic Framework Applications","score":0.9668999910354614,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials 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":0.842964768409729},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.8118718862533569},{"id":"https://openalex.org/keywords/heterogeneous-network","display_name":"Heterogeneous network","score":0.7135148644447327},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6563623547554016},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.5084580183029175},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4602543115615845},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.41172584891319275},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40112754702568054},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.27883636951446533},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23963025212287903},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19749251008033752},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07354846596717834}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.842964768409729},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.8118718862533569},{"id":"https://openalex.org/C158207573","wikidata":"https://www.wikidata.org/wiki/Q5747224","display_name":"Heterogeneous network","level":4,"score":0.7135148644447327},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6563623547554016},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.5084580183029175},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4602543115615845},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.41172584891319275},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40112754702568054},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.27883636951446533},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23963025212287903},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19749251008033752},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07354846596717834},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf44664.2019.9048847","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf44664.2019.9048847","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 53rd Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2010564749","https://openalex.org/W2173248099","https://openalex.org/W2746390786","https://openalex.org/W2922381956","https://openalex.org/W2963155944","https://openalex.org/W2963864421","https://openalex.org/W3100548612","https://openalex.org/W6684921986"],"related_works":["https://openalex.org/W4306904969","https://openalex.org/W2138720691","https://openalex.org/W4362501864","https://openalex.org/W4380318855","https://openalex.org/W2031695474","https://openalex.org/W3084456289","https://openalex.org/W1927327903","https://openalex.org/W2024136090","https://openalex.org/W4391331176","https://openalex.org/W2586732548"],"abstract_inverted_index":{"In":[0,92],"this":[1,83],"paper,":[2],"we":[3],"consider":[4],"a":[5,65,115],"joint":[6,32],"design":[7],"of":[8,42,107,127],"the":[9,16,25,37,69,74,87,94,105,112,125,128],"user":[10],"clustering":[11,33,60,108],"and":[12,34,61,73,109],"content":[13,29,70],"caching":[14,35,62,110],"in":[15,21,24,36,48,57,111],"cache-enabled":[17],"heterogenous":[18],"network":[19,26],"(HetNet)":[20],"which":[22,51],"users":[23],"have":[27],"distinct":[28],"preferences.":[30],"The":[31],"HetNet":[38,113],"relies":[39],"on":[40],"multitude":[41],"factors,":[43],"such":[44],"as":[45],"channel":[46],"gains":[47],"all":[49],"links,":[50],"may":[52,63],"not":[53],"be":[54],"fully":[55],"known":[56],"practice.":[58],"Besides,":[59],"exhibit":[64],"fundamental":[66],"tradeoff":[67],"between":[68],"hit":[71],"probability":[72],"spectral":[75],"efficiency.":[76],"We":[77],"are":[78,121],"therefore":[79],"motivated":[80],"to":[81,103,123],"tackle":[82],"challenging":[84],"problem":[85],"by":[86],"deep":[88,95],"reinforcement":[89],"learning":[90],"(DRL).":[91],"particular,":[93],"deterministic":[96],"policy":[97],"gradient":[98],"(DDPG)":[99],"algorithm":[100],"is":[101],"employed":[102],"manage":[104],"dynamics":[106],"with":[114],"sizable":[116],"action":[117],"space.":[118],"Simulation":[119],"results":[120],"presented":[122],"demonstrate":[124],"effectiveness":[126],"proposed":[129],"algorithm.":[130]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
