{"id":"https://openalex.org/W2990530686","doi":"https://doi.org/10.1109/tcomm.2019.2956041","title":"Online Content Popularity Prediction and Learning in Wireless Edge Caching","display_name":"Online Content Popularity Prediction and Learning in Wireless Edge Caching","publication_year":2019,"publication_date":"2019-11-26","ids":{"openalex":"https://openalex.org/W2990530686","doi":"https://doi.org/10.1109/tcomm.2019.2956041","mag":"2990530686"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2019.2956041","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tcomm.2019.2956041","pdf_url":"https://ieeexplore.ieee.org/ielx7/26/8999755/08913496.pdf","source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/26/8999755/08913496.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008815990","display_name":"Navneet Garg","orcid":"https://orcid.org/0000-0001-8535-7663"},"institutions":[{"id":"https://openalex.org/I32062511","display_name":"Heriot-Watt University","ror":"https://ror.org/04mghma93","country_code":"GB","type":"education","lineage":["https://openalex.org/I32062511"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Navneet Garg","raw_affiliation_strings":["School of Engineering and Physical Sciences, Institute of Sensors, Signals and Systems, Heriot-Watt University, Edinburgh, U.K"],"raw_orcid":"https://orcid.org/0000-0001-8535-7663","affiliations":[{"raw_affiliation_string":"School of Engineering and Physical Sciences, Institute of Sensors, Signals and Systems, Heriot-Watt University, Edinburgh, U.K","institution_ids":["https://openalex.org/I32062511"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071345719","display_name":"Mathini Sellathurai","orcid":"https://orcid.org/0000-0002-8738-8583"},"institutions":[{"id":"https://openalex.org/I32062511","display_name":"Heriot-Watt University","ror":"https://ror.org/04mghma93","country_code":"GB","type":"education","lineage":["https://openalex.org/I32062511"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mathini Sellathurai","raw_affiliation_strings":["School of Engineering and Physical Sciences, Institute of Sensors, Signals and Systems, Heriot-Watt University, Edinburgh, U.K"],"raw_orcid":"https://orcid.org/0000-0002-8738-8583","affiliations":[{"raw_affiliation_string":"School of Engineering and Physical Sciences, Institute of Sensors, Signals and Systems, Heriot-Watt University, Edinburgh, U.K","institution_ids":["https://openalex.org/I32062511"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050580025","display_name":"Vimal Bhatia","orcid":"https://orcid.org/0000-0001-5148-6643"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vimal Bhatia","raw_affiliation_strings":["Indian Institute of Technology Indore, Indore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Indore, Indore, India","institution_ids":["https://openalex.org/I64295750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109935664","display_name":"B. N. Bharath","orcid":null},"institutions":[{"id":"https://openalex.org/I4210152718","display_name":"Indian Institute of Technology Dharwad","ror":"https://ror.org/0509djg30","country_code":"IN","type":"education","lineage":["https://openalex.org/I4210152718"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"B. N. Bharath","raw_affiliation_strings":["Indian Institute of Technology Dharwad, Dharwad, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Dharwad, Dharwad, India","institution_ids":["https://openalex.org/I4210152718"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091847007","display_name":"Tharmalingam Ratnarajah","orcid":"https://orcid.org/0000-0002-7636-1246"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Tharmalingam Ratnarajah","raw_affiliation_strings":["Institute for Digital Communications, The University of Edinburgh, Edinburgh, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Digital Communications, The University of Edinburgh, Edinburgh, U.K","institution_ids":["https://openalex.org/I98677209"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5008815990"],"corresponding_institution_ids":["https://openalex.org/I32062511"],"apc_list":null,"apc_paid":null,"fwci":7.99,"has_fulltext":true,"cited_by_count":90,"citation_normalized_percentile":{"value":0.97782329,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"68","issue":"2","first_page":"1087","last_page":"1100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":1.0,"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":1.0,"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":0.9901000261306763,"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/T12238","display_name":"Green IT and Sustainability","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6358001232147217},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5007789134979248},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.49592074751853943},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.45988476276397705},{"id":"https://openalex.org/keywords/regret","display_name":"Regret","score":0.4531167447566986},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.4504297375679016},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.4437101185321808},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25066012144088745},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.2393800914287567}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6358001232147217},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5007789134979248},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.49592074751853943},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.45988476276397705},{"id":"https://openalex.org/C50817715","wikidata":"https://www.wikidata.org/wiki/Q79895177","display_name":"Regret","level":2,"score":0.4531167447566986},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.4504297375679016},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.4437101185321808},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25066012144088745},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2393800914287567},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tcomm.2019.2956041","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tcomm.2019.2956041","pdf_url":"https://ieeexplore.ieee.org/ielx7/26/8999755/08913496.pdf","source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},{"id":"pmh:oai:pure.ed.ac.uk:openaire/5c347d3c-4cd8-4715-bc1a-ba64fba11569","is_oa":true,"landing_page_url":"https://hdl.handle.net/20.500.11820/5c347d3c-4cd8-4715-bc1a-ba64fba11569","pdf_url":"https://www.research.ed.ac.uk/files/125576058/08913496.pdf","source":{"id":"https://openalex.org/S4306400321","display_name":"Edinburgh Research Explorer (University of Edinburgh)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98677209","host_organization_name":"University of Edinburgh","host_organization_lineage":["https://openalex.org/I98677209"],"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":"Garg, N, Sellathurai, M, Bhatia, V, Bharath, B N & Ratnarajah, T 2020, 'Online Content Popularity Prediction and Learning in Wireless Edge Caching', IEEE Transactions on Communications, vol. 68, no. 2, pp. 1087-1100. https://doi.org/10.1109/TCOMM.2019.2956041","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:pure.ed.ac.uk:publications/5c347d3c-4cd8-4715-bc1a-ba64fba11569","is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11820/5c347d3c-4cd8-4715-bc1a-ba64fba11569","pdf_url":"https://www.pure.ed.ac.uk/ws/files/125576058/08913496.pdf","source":{"id":"https://openalex.org/S4306400321","display_name":"Edinburgh Research Explorer (University of Edinburgh)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98677209","host_organization_name":"University of Edinburgh","host_organization_lineage":["https://openalex.org/I98677209"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""},{"id":"pmh:oai:pure.ed.ac.uk:publications/5c347d3c-4cd8-4715-bc1a-ba64fba11569","is_oa":true,"landing_page_url":"https://www.research.ed.ac.uk/en/publications/5c347d3c-4cd8-4715-bc1a-ba64fba11569","pdf_url":"https://www.pure.ed.ac.uk/ws/files/125576058/08913496.pdf","source":{"id":"https://openalex.org/S4306400321","display_name":"Edinburgh Research Explorer (University of Edinburgh)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98677209","host_organization_name":"University of Edinburgh","host_organization_lineage":["https://openalex.org/I98677209"],"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":"Garg, N, Sellathurai, M, Bhatia, V, Bharath, B N & Ratnarajah, T 2020, 'Online Content Popularity Prediction and Learning in Wireless Edge Caching', IEEE Transactions on Communications, vol. 68, no. 2, pp. 1087-1100. https://doi.org/10.1109/TCOMM.2019.2956041","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"doi:10.1109/tcomm.2019.2956041","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tcomm.2019.2956041","pdf_url":"https://ieeexplore.ieee.org/ielx7/26/8999755/08913496.pdf","source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4641344760","display_name":null,"funder_award_id":"2016-17-058","funder_id":"https://openalex.org/F4320320270","funder_display_name":"UK-India Education and Research Initiative"},{"id":"https://openalex.org/G5869320941","display_name":"A Unified Multiple Access Framework for Next Generation Mobile Networks By Removing Orthogonality (MANGO)","funder_award_id":"EP/P009549/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6439340517","display_name":null,"funder_award_id":"UGCUKIERI 2016-17-058","funder_id":"https://openalex.org/F4320320270","funder_display_name":"UK-India Education and Research Initiative"},{"id":"https://openalex.org/G6593306550","display_name":"A Unified Multiple Access Framework for Next Generation Mobile Networks By Removing Orthogonality (MANGO)","funder_award_id":"EP/P009670/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6748199107","display_name":null,"funder_award_id":"DST UKIERI-2016-17-0060","funder_id":"https://openalex.org/F4320320270","funder_display_name":"UK-India Education and Research Initiative"},{"id":"https://openalex.org/G7668219610","display_name":null,"funder_award_id":"EP/P009549/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8402760336","display_name":null,"funder_award_id":"EP/P009670/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8417912931","display_name":null,"funder_award_id":"DST/INT/UK/P-129/2016","funder_id":"https://openalex.org/F4320320270","funder_display_name":"UK-India Education and Research Initiative"}],"funders":[{"id":"https://openalex.org/F4320311518","display_name":"Heriot-Watt University","ror":"https://ror.org/04mghma93"},{"id":"https://openalex.org/F4320320270","display_name":"UK-India Education and Research Initiative","ror":"https://ror.org/037dz3r63"},{"id":"https://openalex.org/F4320320719","display_name":"Department of Science and Technology, Ministry of Science and Technology, India","ror":"https://ror.org/0101xrq71"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2990530686.pdf","grobid_xml":"https://content.openalex.org/works/W2990530686.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1481341908","https://openalex.org/W1483283748","https://openalex.org/W1767905185","https://openalex.org/W1884504066","https://openalex.org/W1972738071","https://openalex.org/W2075665712","https://openalex.org/W2077723394","https://openalex.org/W2098098075","https://openalex.org/W2154156041","https://openalex.org/W2165312429","https://openalex.org/W2219888463","https://openalex.org/W2322725250","https://openalex.org/W2425152312","https://openalex.org/W2516631548","https://openalex.org/W2566980712","https://openalex.org/W2606566534","https://openalex.org/W2736697459","https://openalex.org/W2746390786","https://openalex.org/W2765317060","https://openalex.org/W2771556079","https://openalex.org/W2794673877","https://openalex.org/W2806171402","https://openalex.org/W2900490252","https://openalex.org/W2906879147","https://openalex.org/W2919430786","https://openalex.org/W2962983993","https://openalex.org/W2963531342","https://openalex.org/W2963582525","https://openalex.org/W3098325062","https://openalex.org/W3122800475","https://openalex.org/W4250589301","https://openalex.org/W4292022450","https://openalex.org/W6745804537"],"related_works":["https://openalex.org/W2971351794","https://openalex.org/W4376155396","https://openalex.org/W1947085858","https://openalex.org/W2174986909","https://openalex.org/W2527791220","https://openalex.org/W2101991911","https://openalex.org/W2155070487","https://openalex.org/W2368605798","https://openalex.org/W4311589891","https://openalex.org/W3123835761"],"abstract_inverted_index":{"Caching":[0],"popular":[1],"contents":[2],"in":[3,18,56,62,150],"advance":[4],"is":[5,58,147],"an":[6],"important":[7],"technique":[8],"to":[9,41],"achieve":[10],"low":[11],"latency":[12],"and":[13,60,83,119,141,155,174,190],"reduce":[14,104],"the":[15,43,89,105,125,133,136,179,185,188],"backhaul":[16],"costs":[17],"future":[19],"wireless":[20],"communications.":[21],"Considering":[22],"a":[23,30,49],"network":[24],"with":[25],"base":[26],"stations":[27],"distributed":[28],"as":[29],"Poisson":[31],"point":[32],"process,":[33],"optimal":[34],"content":[35,51,145],"placement":[36],"caching":[37],"probabilities":[38],"are":[39,95,121,160,170],"obtained":[40,96],"maximize":[42],"average":[44],"success":[45],"probability":[46],"(ASP)":[47],"for":[48,75,92,172,184],"known":[50,144],"popularity":[52,79],"(CP)":[53],"profile,":[54],"which":[55],"practice":[57],"time-varying":[59],"unknown":[61],"advance.":[63],"In":[64,128],"this":[65],"paper,":[66],"we":[67],"first":[68],"propose":[69],"two":[70,112],"online":[71,110,113],"prediction":[72,80,85,94,140],"(OP)":[73],"methods":[74,169],"forecasting":[76],"CP":[77],"viz.,":[78,117],"model":[81,86],"(PPM)":[82],"Grassmannian":[84],"(GPM),":[87],"where":[88],"unconstrained":[90],"coefficients":[91],"linear":[93,156],"by":[97,124,139,143],"solving":[98],"constrained":[99],"non-negative":[100],"least":[101],"squares.":[102],"To":[103],"higher":[106],"computational":[107],"complexity":[108],"per":[109],"round,":[111],"learning":[114],"(OL)":[115],"approaches":[116,181],"weighted-follow-the-leader":[118],"weighted-follow-the-regularized-leader":[120],"proposed,":[122],"inspired":[123],"OP":[126,168],"models.":[127],"OP,":[129],"ASP":[130,137,157,175,191],"difference":[131,176],"(i.e,":[132],"gap":[134],"between":[135],"achieved":[138],"that":[142,167],"popularity)":[146],"bounded,":[148],"while":[149,178],"OL,":[151],"sub-linear":[152],"MSE":[153,173,189],"regret":[154,158],"bounds":[159],"obtained.":[161],"With":[162],"MovieLens":[163],"dataset,":[164],"simulations":[165],"verify":[166],"better":[171],"minimization,":[177],"OL":[180],"perform":[182],"well":[183],"minimization":[186],"of":[187],"regrets.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":19},{"year":2023,"cited_by_count":19},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}