{"id":"https://openalex.org/W2900830292","doi":"https://doi.org/10.1145/3280826","title":"An <i>O</i> (log <i>k</i> )-Competitive Algorithm for Generalized Caching","display_name":"An <i>O</i> (log <i>k</i> )-Competitive Algorithm for Generalized Caching","publication_year":2018,"publication_date":"2018-11-16","ids":{"openalex":"https://openalex.org/W2900830292","doi":"https://doi.org/10.1145/3280826","mag":"2900830292"},"language":"en","primary_location":{"id":"doi:10.1145/3280826","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3280826","pdf_url":null,"source":{"id":"https://openalex.org/S137348503","display_name":"ACM Transactions on Algorithms","issn_l":"1549-6325","issn":["1549-6325","1549-6333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Algorithms","raw_type":"journal-article"},"type":"article","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/A5050123676","display_name":"Anna Adamaszek","orcid":"https://orcid.org/0000-0003-3291-0124"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":true,"raw_author_name":"Anna Adamaszek","raw_affiliation_strings":["University of Copenhagen, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051815913","display_name":"Artur Czumaj","orcid":"https://orcid.org/0000-0002-7743-438X"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Artur Czumaj","raw_affiliation_strings":["University of Warwick, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warwick, UK","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007064425","display_name":"Matthias Englert","orcid":"https://orcid.org/0000-0002-8859-7731"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Matthias Englert","raw_affiliation_strings":["University of Warwick, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warwick, UK","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016682913","display_name":"Harald R\u00e4cke","orcid":"https://orcid.org/0000-0001-8797-717X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Harald R\u00e4cke","raw_affiliation_strings":["Technical University Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University Munich, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5050123676"],"corresponding_institution_ids":["https://openalex.org/I124055696"],"apc_list":null,"apc_paid":null,"fwci":0.395,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.67498166,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"15","issue":"1","first_page":"1","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","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/T12288","display_name":"Optimization and Search Problems","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/T10567","display_name":"Vehicle Routing Optimization Methods","score":0.9781000018119812,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11502","display_name":"Facility Location and Emergency Management","score":0.9733999967575073,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/paging","display_name":"Paging","score":0.8169848918914795},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.7046629190444946},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.609660804271698},{"id":"https://openalex.org/keywords/competitive-analysis","display_name":"Competitive analysis","score":0.5801646113395691},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.5380579233169556},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.5296090841293335},{"id":"https://openalex.org/keywords/rounding","display_name":"Rounding","score":0.528549313545227},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5047222375869751},{"id":"https://openalex.org/keywords/cache-oblivious-algorithm","display_name":"Cache-oblivious algorithm","score":0.5036267638206482},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4847857356071472},{"id":"https://openalex.org/keywords/page","display_name":"Page","score":0.47708162665367126},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.44224807620048523},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.43464338779449463},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.41732296347618103},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4037328362464905},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3304494619369507},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.20257717370986938},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08804088830947876}],"concepts":[{"id":"https://openalex.org/C50954386","wikidata":"https://www.wikidata.org/wiki/Q656083","display_name":"Paging","level":2,"score":0.8169848918914795},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.7046629190444946},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.609660804271698},{"id":"https://openalex.org/C102408133","wikidata":"https://www.wikidata.org/wiki/Q5156350","display_name":"Competitive analysis","level":3,"score":0.5801646113395691},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.5380579233169556},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.5296090841293335},{"id":"https://openalex.org/C136625980","wikidata":"https://www.wikidata.org/wiki/Q663208","display_name":"Rounding","level":2,"score":0.528549313545227},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5047222375869751},{"id":"https://openalex.org/C59687516","wikidata":"https://www.wikidata.org/wiki/Q5015938","display_name":"Cache-oblivious algorithm","level":5,"score":0.5036267638206482},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4847857356071472},{"id":"https://openalex.org/C33925742","wikidata":"https://www.wikidata.org/wiki/Q361698","display_name":"Page","level":2,"score":0.47708162665367126},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.44224807620048523},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.43464338779449463},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.41732296347618103},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4037328362464905},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3304494619369507},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.20257717370986938},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08804088830947876},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3280826","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3280826","pdf_url":null,"source":{"id":"https://openalex.org/S137348503","display_name":"ACM Transactions on Algorithms","issn_l":"1549-6325","issn":["1549-6325","1549-6333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Algorithms","raw_type":"journal-article"},{"id":"pmh:oai:wrap.warwick.ac.uk:110666","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400665","display_name":"Warwick Research Archive Portal (University of Warwick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39555362","host_organization_name":"University of Warwick","host_organization_lineage":["https://openalex.org/I39555362"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/53c4449a-bbc7-4350-a9d0-5371cb9b6714","is_oa":false,"landing_page_url":"https://researchprofiles.ku.dk/da/publications/53c4449a-bbc7-4350-a9d0-5371cb9b6714","pdf_url":null,"source":{"id":"https://openalex.org/S4306401983","display_name":"Research at the University of Copenhagen (University of Copenhagen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124055696","host_organization_name":"University of Copenhagen","host_organization_lineage":["https://openalex.org/I124055696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Adamaszek , A , Czumaj , A , Englert , M & R\u00e4cke , H 2018 , ' An O(log k)-Competitive Algorithm for Generalized Caching ' , ACM Transactions on Algorithms , vol. 15 , no. 1 , 6 , pp. 1-18 . https://doi.org/10.1145/3280826","raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4031701511","display_name":null,"funder_award_id":"EP/D063191/1,EP/F043333/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6958986694","display_name":null,"funder_award_id":"EP/D063191/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8115207947","display_name":null,"funder_award_id":"EP/F043333/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W67726002","https://openalex.org/W1918432491","https://openalex.org/W1998843748","https://openalex.org/W2001850337","https://openalex.org/W2003902046","https://openalex.org/W2033156334","https://openalex.org/W2041645394","https://openalex.org/W2052476895","https://openalex.org/W2054033098","https://openalex.org/W2083392624","https://openalex.org/W2089998595","https://openalex.org/W2122886291","https://openalex.org/W2905904719","https://openalex.org/W3125910951","https://openalex.org/W3138855735"],"related_works":["https://openalex.org/W1481323420","https://openalex.org/W4213299358","https://openalex.org/W2564742953","https://openalex.org/W2793095688","https://openalex.org/W2617423316","https://openalex.org/W2168823865","https://openalex.org/W1602169857","https://openalex.org/W1979064639","https://openalex.org/W2033156334","https://openalex.org/W2075784392"],"abstract_inverted_index":{"In":[0],"the":[1,35,38,45,48,51,55,77,80,91,111,116,138,142,146,157],"generalized":[2,112],"caching":[3,113],"problem,":[4,114],"we":[5],"have":[6],"a":[7,12,22,65,71,94,102],"set":[8],"of":[9,14,47,50,64,67,96,119,137],"pages":[10,52],"and":[11,28,128,136,153,168],"cache":[13,56,78],"size":[15,23],"k":[16,59,106,123],".":[17,60,99],"Each":[18],"page":[19,36,68,72],"p":[20,25,32,98],"has":[21,86],"w":[24],"\u2265":[26],"1":[27],"fetching":[29],"cost":[30,95],"c":[31,97],"for":[33,110,145,172],"loading":[34],"into":[37,90],"cache.":[39],"At":[40],"any":[41],"point":[42],"in":[43,54,76],"time,":[44],"sum":[46],"sizes":[49],"stored":[53],"cannot":[57],"exceed":[58],"The":[61],"input":[62],"consists":[63],"sequence":[66],"requests.":[69],"If":[70],"is":[73,83,134],"not":[74],"present":[75],"at":[79],"time":[81],"it":[82,85],"requested,":[84],"to":[87],"be":[88],"loaded":[89],"cache,":[92],"incurring":[93],"We":[100,155],"give":[101],"randomized":[103],"O":[104,120],"(log":[105,121],")-competitive":[107],"online":[108],"algorithm":[109],"improving":[115],"previous":[117],"bound":[118,133],"2":[122],")":[124],"by":[125],"Bansal,":[126],"Buchbinder,":[127],"Naor":[129],"(STOC\u201908).":[130],"This":[131],"improved":[132,167],"tight":[135],"same":[139,158],"order":[140],"as":[141,161],"known":[143],"bounds":[144],"classic":[147],"paging":[148],"problem":[149],"with":[150],"uniform":[151],"weights":[152],"sizes.":[154],"use":[156],"LP-based":[159],"techniques":[160],"Bansal":[162],"et":[163],"al.":[164],"but":[165],"provide":[166],"slightly":[169],"simplified":[170],"methods":[171],"rounding":[173],"fractional":[174],"solutions":[175],"online.":[176]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2018-11-29T00:00:00"}