{"id":"https://openalex.org/W3159633535","doi":"https://doi.org/10.1109/ciss50987.2021.9400310","title":"Cache Freshness in Information Updating Systems","display_name":"Cache Freshness in Information Updating Systems","publication_year":2021,"publication_date":"2021-03-24","ids":{"openalex":"https://openalex.org/W3159633535","doi":"https://doi.org/10.1109/ciss50987.2021.9400310","mag":"3159633535"},"language":"en","primary_location":{"id":"doi:10.1109/ciss50987.2021.9400310","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ciss50987.2021.9400310","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Annual Conference on Information Sciences and Systems (CISS)","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/A5000544057","display_name":"Melih Ba\u015ftop\u00e7u","orcid":"https://orcid.org/0000-0001-5122-0642"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Melih Bastopcu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Maryland, College Park, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Maryland, College Park, MD","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021132487","display_name":"\u015eennur Uluku\u015f","orcid":"https://orcid.org/0000-0002-8219-8190"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sennur Ulukus","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Maryland, College Park, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Maryland, College Park, MD","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I66946132"],"apc_list":null,"apc_paid":null,"fwci":0.8145,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.63810774,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"01","last_page":"06"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","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/T13553","display_name":"Age of Information Optimization","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/T13471","display_name":"Cognitive Functions and Memory","score":0.9524999856948853,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9320999979972839,"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/cache","display_name":"Cache","score":0.8851430416107178},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8579127788543701},{"id":"https://openalex.org/keywords/smart-cache","display_name":"Smart Cache","score":0.6805201768875122},{"id":"https://openalex.org/keywords/page-cache","display_name":"Page cache","score":0.6302807331085205},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.6238315105438232},{"id":"https://openalex.org/keywords/cache-invalidation","display_name":"Cache invalidation","score":0.506669819355011},{"id":"https://openalex.org/keywords/cache-coloring","display_name":"Cache coloring","score":0.48581910133361816},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.48533955216407776},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.44672900438308716},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.43758103251457214},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.4310307502746582},{"id":"https://openalex.org/keywords/cache-oblivious-algorithm","display_name":"Cache-oblivious algorithm","score":0.4302859902381897},{"id":"https://openalex.org/keywords/cache-pollution","display_name":"Cache pollution","score":0.42425987124443054},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.36351072788238525},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.07658818364143372}],"concepts":[{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8851430416107178},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8579127788543701},{"id":"https://openalex.org/C167713795","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"Smart Cache","level":5,"score":0.6805201768875122},{"id":"https://openalex.org/C36340418","wikidata":"https://www.wikidata.org/wiki/Q7124288","display_name":"Page cache","level":5,"score":0.6302807331085205},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.6238315105438232},{"id":"https://openalex.org/C25536678","wikidata":"https://www.wikidata.org/wiki/Q5015977","display_name":"Cache invalidation","level":5,"score":0.506669819355011},{"id":"https://openalex.org/C201148951","wikidata":"https://www.wikidata.org/wiki/Q5015976","display_name":"Cache coloring","level":4,"score":0.48581910133361816},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.48533955216407776},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.44672900438308716},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.43758103251457214},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.4310307502746582},{"id":"https://openalex.org/C59687516","wikidata":"https://www.wikidata.org/wiki/Q5015938","display_name":"Cache-oblivious algorithm","level":5,"score":0.4302859902381897},{"id":"https://openalex.org/C113166858","wikidata":"https://www.wikidata.org/wiki/Q5015981","display_name":"Cache pollution","level":5,"score":0.42425987124443054},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.36351072788238525},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.07658818364143372}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ciss50987.2021.9400310","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ciss50987.2021.9400310","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Annual Conference on Information Sciences and Systems (CISS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5756238911","display_name":null,"funder_award_id":"18-07348","funder_id":"https://openalex.org/F4320337392","funder_display_name":"Division of Electrical, Communications and Cyber Systems"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337392","display_name":"Division of Electrical, Communications and Cyber Systems","ror":"https://ror.org/01krpsy48"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1603765807","https://openalex.org/W1993918491","https://openalex.org/W2038378248","https://openalex.org/W2069689609","https://openalex.org/W2146595929","https://openalex.org/W2296319761","https://openalex.org/W2742721402","https://openalex.org/W2744738782","https://openalex.org/W2886359150","https://openalex.org/W2902838298","https://openalex.org/W2912303213","https://openalex.org/W2947287611","https://openalex.org/W2949213912","https://openalex.org/W2961865050","https://openalex.org/W2963061167","https://openalex.org/W2964250104","https://openalex.org/W2971937201","https://openalex.org/W2997812800","https://openalex.org/W3048950558","https://openalex.org/W3049266556","https://openalex.org/W3104436821","https://openalex.org/W4250589301","https://openalex.org/W4288345666","https://openalex.org/W6773388272"],"related_works":["https://openalex.org/W2098406302","https://openalex.org/W2535115842","https://openalex.org/W2546991807","https://openalex.org/W2734782074","https://openalex.org/W2020176098","https://openalex.org/W2076114130","https://openalex.org/W2116323004","https://openalex.org/W2121191383","https://openalex.org/W1584415117","https://openalex.org/W4252570104"],"abstract_inverted_index":{"We":[0,108,123,154],"consider":[1],"a":[2,7,12,87,102,158,184],"cache":[3,36,53,61,73,91,97],"updating":[4],"system":[5],"with":[6,30,49,63,75],"source,":[8],"m":[9,74,92,98],"caches":[10,178],"and":[11,38,52,56,139],"user.":[13,122,153],"There":[14],"are":[15,28],"n":[16],"files.":[17],"The":[18,34,68],"source":[19,48,198],"keeps":[20,39,57],"the":[21,25,40,44,47,58,79,94,106,114,118,121,132,136,141,146,149,152,165,169,171,177,181,188,197],"freshest":[22,41],"version":[23,42],"of":[24,43,117,148,161],"files":[26,45,59,119,150,195],"which":[27],"updated":[29],"known":[31],"rates":[32,50,64,76,134,163,191],"\u03bbi.":[33],"first":[35],"downloads":[37,55],"from":[46,60,72,90],"c1i":[51],"r":[54],"r-1":[62],"cri":[65],"for":[66,113,135,140,157,164,168,176,180,192],".":[67],"user":[69,80,166],"gets":[70,81,86],"updates":[71],"ui.":[77],"When":[78],"an":[82,110,125],"update,":[83],"it":[84],"either":[85],"fresh":[88],"update":[89,104,133,162,190],"or":[93],"file":[95,103],"at":[96,105,120,151,196],"becomes":[99],"outdated":[100],"by":[101],"source.":[107],"find":[109,131],"analytical":[111],"expression":[112],"average":[115],"freshness":[116,147],"provide":[124],"alternating":[126],"maximization":[127],"based":[128],"method":[129],"to":[130,144,202],"caches,":[137],"cri,":[138],"user,":[142],"ui,":[143],"maximize":[145],"note":[155],"that":[156],"given":[159],"set":[160],"(resp.":[167,179],"caches),":[170],"optimal":[172,189],"rate":[173],"allocation":[174],"policy":[175],"user)":[182],"is":[183],"threshold":[185],"policy,":[186],"where":[187],"rapidly":[193],"changing":[194],"may":[199],"be":[200],"equal":[201],"zero.":[203]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2026-08-27T14:10:00.468798","created_date":"2025-10-10T00:00:00"}