{"id":"https://openalex.org/W2004570439","doi":"https://doi.org/10.1145/2556195.2556246","title":"A self-adapting latency/power tradeoff model for replicated search engines","display_name":"A self-adapting latency/power tradeoff model for replicated search engines","publication_year":2014,"publication_date":"2014-02-18","ids":{"openalex":"https://openalex.org/W2004570439","doi":"https://doi.org/10.1145/2556195.2556246","mag":"2004570439"},"language":"en","primary_location":{"id":"doi:10.1145/2556195.2556246","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2556195.2556246","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th ACM international conference on Web search and data mining","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/A5089446318","display_name":"Ana Freire","orcid":"https://orcid.org/0000-0003-4698-2129"},"institutions":[{"id":"https://openalex.org/I11019714","display_name":"Universidade da Coru\u00f1a","ror":"https://ror.org/01qckj285","country_code":"ES","type":"education","lineage":["https://openalex.org/I11019714"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ana Freire","raw_affiliation_strings":["University of A Coru\u00f1a, A Coru\u00f1a, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru\u00f1a, A Coru\u00f1a, Spain","institution_ids":["https://openalex.org/I11019714"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057643560","display_name":"Craig Macdonald","orcid":"https://orcid.org/0000-0003-3143-279X"},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Craig Macdonald","raw_affiliation_strings":["University of Glasgow, Glasgow, United Kingdom","University of Glasgow, Glasgow, United Kingdom#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Glasgow, Glasgow, United Kingdom","institution_ids":["https://openalex.org/I7882870"]},{"raw_affiliation_string":"University of Glasgow, Glasgow, United Kingdom#TAB#","institution_ids":["https://openalex.org/I7882870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018894843","display_name":"Nicola Tonellotto","orcid":"https://orcid.org/0000-0002-7427-1001"},"institutions":[{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Nicola Tonellotto","raw_affiliation_strings":["National Research Council of Italy, Pisa, Italy","National Research Council of Italy, Pisa, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Italy, Pisa, Italy","institution_ids":["https://openalex.org/I4210155236"]},{"raw_affiliation_string":"National Research Council of Italy, Pisa, Italy#TAB#","institution_ids":["https://openalex.org/I4210155236"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079046603","display_name":"Iadh Ounis","orcid":"https://orcid.org/0000-0003-4701-3223"},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Iadh Ounis","raw_affiliation_strings":["University of Glasgow, Glasgow, United Kingdom","University of Glasgow, Glasgow, United Kingdom#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Glasgow, Glasgow, United Kingdom","institution_ids":["https://openalex.org/I7882870"]},{"raw_affiliation_string":"University of Glasgow, Glasgow, United Kingdom#TAB#","institution_ids":["https://openalex.org/I7882870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070668196","display_name":"Fidel Cacheda","orcid":"https://orcid.org/0000-0002-6438-1661"},"institutions":[{"id":"https://openalex.org/I11019714","display_name":"Universidade da Coru\u00f1a","ror":"https://ror.org/01qckj285","country_code":"ES","type":"education","lineage":["https://openalex.org/I11019714"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fidel Cacheda","raw_affiliation_strings":["University of A Coru\u00f1a, A Coru\u00f1a, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru\u00f1a, A Coru\u00f1a, Spain","institution_ids":["https://openalex.org/I11019714"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"13","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9995999932289124,"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":0.9995999932289124,"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/T12288","display_name":"Optimization and Search Problems","score":0.9901000261306763,"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9848999977111816,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8266133069992065},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.7708979249000549},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.6837097406387329},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.537071704864502},{"id":"https://openalex.org/keywords/response-time","display_name":"Response time","score":0.5360133647918701},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.504574179649353},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.4991872310638428},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.4978830814361572},{"id":"https://openalex.org/keywords/metasearch-engine","display_name":"Metasearch engine","score":0.4294924736022949},{"id":"https://openalex.org/keywords/search-algorithm","display_name":"Search algorithm","score":0.41536498069763184},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.24514466524124146},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.15023693442344666}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8266133069992065},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.7708979249000549},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.6837097406387329},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.537071704864502},{"id":"https://openalex.org/C19012869","wikidata":"https://www.wikidata.org/wiki/Q578372","display_name":"Response time","level":2,"score":0.5360133647918701},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.504574179649353},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.4991872310638428},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.4978830814361572},{"id":"https://openalex.org/C173979980","wikidata":"https://www.wikidata.org/wiki/Q114106","display_name":"Metasearch engine","level":4,"score":0.4294924736022949},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.41536498069763184},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.24514466524124146},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.15023693442344666},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1145/2556195.2556246","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2556195.2556246","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 7th ACM international conference on Web search and data mining","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.gla.ac.uk:93564","is_oa":false,"landing_page_url":"http://eprints.gla.ac.uk/view/author/3545.html>","pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"is_oa":false,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Conference Proceedings"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.471.9753","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.471.9753","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://terrierteam.dcs.gla.ac.uk/publications/wsdm329-freire.pdf","raw_type":"text"},{"id":"pmh:oai:arpi.unipi.it:11568/1016840","is_oa":false,"landing_page_url":"http://hdl.handle.net/11568/1016840","pdf_url":null,"source":{"id":"https://openalex.org/S4377196265","display_name":"CINECA IRIS Institutial research information system (University of Pisa)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I108290504","host_organization_name":"University of Pisa","host_organization_lineage":["https://openalex.org/I108290504"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:dnet:people______::f5dd395890bd7c5e31da7d67699466a4","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","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":"","raw_type":"Conference article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G860342780","display_name":null,"funder_award_id":"CN2012/211","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"}],"funders":[{"id":"https://openalex.org/F4320326655","display_name":"Xunta de Galicia","ror":"https://ror.org/0181xnw06"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1660390307","https://openalex.org/W1750001631","https://openalex.org/W1842406863","https://openalex.org/W1892996769","https://openalex.org/W1972465905","https://openalex.org/W1978185862","https://openalex.org/W2012354735","https://openalex.org/W2015244008","https://openalex.org/W2060204338","https://openalex.org/W2073792627","https://openalex.org/W2073965851","https://openalex.org/W2076214367","https://openalex.org/W2095020907","https://openalex.org/W2098432798","https://openalex.org/W2099966806","https://openalex.org/W2132542839","https://openalex.org/W2134195052","https://openalex.org/W2139230733","https://openalex.org/W2142630582","https://openalex.org/W2147855321","https://openalex.org/W2153996860","https://openalex.org/W2169528473","https://openalex.org/W2171255928","https://openalex.org/W2263798363","https://openalex.org/W2552083296","https://openalex.org/W2562796107","https://openalex.org/W3036994337","https://openalex.org/W3114376899","https://openalex.org/W4244061993","https://openalex.org/W6637101025","https://openalex.org/W6674995601","https://openalex.org/W6679736336"],"related_works":["https://openalex.org/W2096359267","https://openalex.org/W1521725692","https://openalex.org/W3008917487","https://openalex.org/W2901901036","https://openalex.org/W3197639690","https://openalex.org/W2572349046","https://openalex.org/W2185998359","https://openalex.org/W2381709896","https://openalex.org/W2093300859","https://openalex.org/W2026738364"],"abstract_inverted_index":{"For":[0],"many":[1],"search":[2,5,27,60,142,184,190],"settings,":[3],"distributed/replicated":[4],"engines":[6],"deploy":[7],"a":[8,25,45,149,188,219,226],"large":[9],"number":[10,80,119],"of":[11,24,81,100,120,140,176,205],"machines":[12,83],"to":[13,49,87,116,124,164,172,187,218],"ensure":[14],"efficient":[15],"retrieval.":[16],"This":[17],"paper":[18],"investigates":[19],"how":[20],"the":[21,34,51,72,74,78,85,94,98,101,106,112,118,134,141,174,177],"power":[22,56,125],"consumption":[23,57],"replicated":[26],"engine":[28],"can":[29,108,155,200],"be":[30,109,156],"automatically":[31,76],"reduced":[32],"when":[33,97],"system":[35,86,102],"has":[36],"low":[37,104],"contention,":[38],"without":[39],"compromising":[40],"its":[41,130],"efficiency.":[42],"We":[43],"propose":[44],"novel":[46],"self-adapting":[47,198],"model":[48,75,113,128,180,199],"analyse":[50],"trade-off":[52],"between":[53],"latency":[54],"and":[55,67,105,136],"for":[58,71],"distributed":[59],"engines.":[61],"When":[62],"query":[63,90,138,166,211],"volumes":[64],"are":[65,170],"high":[66],"there":[68],"is":[69,103,114,146],"contention":[70],"resources,":[73],"increases":[77],"necessary":[79],"active":[82,121],"in":[84,162],"maintain":[88],"acceptable":[89],"response":[91,163],"times.":[92],"On":[93],"other":[95],"hand,":[96],"load":[99],"queries":[107],"served":[110],"easily,":[111],"able":[115],"reduce":[117],"machines,":[122],"leading":[123],"savings.":[126],"The":[127],"bases":[129],"decisions":[131],"on":[132,225],"examining":[133],"current":[135],"historical":[137,182],"loads":[139],"engine.":[143,191],"Our":[144,192],"proposal":[145],"formulated":[147],"as":[148],"general":[150],"dynamic":[151,160],"decision":[152],"problem,":[153],"which":[154],"quickly":[157],"solved":[158],"by":[159,214],"programming":[161],"changing":[165],"loads.":[167],"Thorough":[168],"experiments":[169],"conducted":[171],"validate":[173],"usefulness":[175],"proposed":[178,197],"adaptive":[179],"using":[181],"Web":[183],"traffic":[185],"submitted":[186],"commercial":[189],"results":[193],"show":[194],"that":[195,221],"our":[196],"achieve":[201],"an":[202],"energy":[203],"saving":[204],"33%":[206],"while":[207],"only":[208],"degrading":[209],"mean":[210],"completion":[212],"time":[213],"10":[215],"ms":[216],"compared":[217],"baseline":[220],"provisions":[222],"replicas":[223],"based":[224],"previous":[227],"day's":[228],"traffic.":[229]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
