{"id":"https://openalex.org/W2292999625","doi":"https://doi.org/10.1145/1559795.1559815","title":"Similarity caching","display_name":"Similarity caching","publication_year":2009,"publication_date":"2009-06-29","ids":{"openalex":"https://openalex.org/W2292999625","doi":"https://doi.org/10.1145/1559795.1559815","mag":"2292999625"},"language":"en","primary_location":{"id":"doi:10.1145/1559795.1559815","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1559795.1559815","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-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/A5078401676","display_name":"Flavio Chierichetti","orcid":"https://orcid.org/0000-0001-8261-9058"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Flavio Chierichetti","raw_affiliation_strings":["Sapienza University of Rome, Dipartmento di Informatica, Roma, Italy"],"affiliations":[{"raw_affiliation_string":"Sapienza University of Rome, Dipartmento di Informatica, Roma, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101772779","display_name":"Ravi Kumar","orcid":"https://orcid.org/0000-0002-2203-2586"},"institutions":[{"id":"https://openalex.org/I4210134091","display_name":"Yahoo (United States)","ror":"https://ror.org/040dkzz12","country_code":"US","type":"company","lineage":["https://openalex.org/I4210134091"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ravi Kumar","raw_affiliation_strings":["Yahoo! Research, Sunnyvale, CA, USA"],"affiliations":[{"raw_affiliation_string":"Yahoo! Research, Sunnyvale, CA, USA","institution_ids":["https://openalex.org/I4210134091"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070795618","display_name":"Sergei Vassilvitskii","orcid":"https://orcid.org/0000-0003-0235-1624"},"institutions":[{"id":"https://openalex.org/I4210134091","display_name":"Yahoo (United States)","ror":"https://ror.org/040dkzz12","country_code":"US","type":"company","lineage":["https://openalex.org/I4210134091"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sergei Vassilvitskii","raw_affiliation_strings":["Yahoo! Research, Sunnyvale, CA, USA"],"affiliations":[{"raw_affiliation_string":"Yahoo! Research, Sunnyvale, CA, USA","institution_ids":["https://openalex.org/I4210134091"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5078401676"],"corresponding_institution_ids":["https://openalex.org/I861853513"],"apc_list":null,"apc_paid":null,"fwci":2.3999,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.90224457,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"127","last_page":"136"},"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/T12288","display_name":"Optimization and Search Problems","score":0.9991000294685364,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.8479112386703491},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7922954559326172},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5648051500320435},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5409859418869019},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.5352604389190674},{"id":"https://openalex.org/keywords/metric-space","display_name":"Metric space","score":0.48129263520240784},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4789902865886688},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.4703288972377777},{"id":"https://openalex.org/keywords/radius","display_name":"RADIUS","score":0.4416259825229645},{"id":"https://openalex.org/keywords/k-nearest-neighbors-algorithm","display_name":"k-nearest neighbors algorithm","score":0.4223901629447937},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.42123767733573914},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.36365729570388794},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.27439242601394653},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1976497769355774},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13994404673576355},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12200900912284851},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.11722278594970703},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.11323609948158264}],"concepts":[{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8479112386703491},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7922954559326172},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5648051500320435},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5409859418869019},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.5352604389190674},{"id":"https://openalex.org/C198043062","wikidata":"https://www.wikidata.org/wiki/Q180953","display_name":"Metric space","level":2,"score":0.48129263520240784},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4789902865886688},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.4703288972377777},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.4416259825229645},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.4223901629447937},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.42123767733573914},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.36365729570388794},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.27439242601394653},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1976497769355774},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13994404673576355},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12200900912284851},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.11722278594970703},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.11323609948158264},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1559795.1559815","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1559795.1559815","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/497784","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/497784","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","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":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1502916507","https://openalex.org/W1520815598","https://openalex.org/W1552828154","https://openalex.org/W1672197616","https://openalex.org/W1692647764","https://openalex.org/W1933093164","https://openalex.org/W1973264045","https://openalex.org/W1980712336","https://openalex.org/W2003159902","https://openalex.org/W2008633193","https://openalex.org/W2016973429","https://openalex.org/W2041645394","https://openalex.org/W2050076590","https://openalex.org/W2086453025","https://openalex.org/W2091684877","https://openalex.org/W2133311553","https://openalex.org/W2147717514","https://openalex.org/W2159209233","https://openalex.org/W2163772659","https://openalex.org/W2168467811","https://openalex.org/W2751601659"],"related_works":["https://openalex.org/W2147122795","https://openalex.org/W2061075966","https://openalex.org/W3147501184","https://openalex.org/W2167303720","https://openalex.org/W2109715593","https://openalex.org/W3161817247","https://openalex.org/W1918294866","https://openalex.org/W2012518269","https://openalex.org/W2068309140","https://openalex.org/W4234542536"],"abstract_inverted_index":{"We":[0,33],"introduce":[1],"the":[2,20,30,46,53,58,84,109,115,124,129],"similarity":[3],"caching":[4,10,49],"problem,":[5],"a":[6,62,74,80,94],"variant":[7],"of":[8,48,111,131],"classical":[9,120],"in":[11,40,45,61,83],"which":[12],"an":[13,17],"algorithm":[14],"can":[15],"return":[16],"element":[18],"from":[19],"cache":[21,75,85,112],"that":[22,86],"is":[23,72,79,87,105],"similar,":[24],"but":[25],"not":[26],"necessarily":[27],"identical,":[28],"to":[29,90,107,127],"query":[31,70],"element.":[32],"are":[34],"motivated":[35],"by":[36],"buffer":[37],"management":[38],"questions":[39],"approximate":[41],"nearest-neighbor":[42],"applications,":[43],"especially":[44],"context":[47],"targeted":[50],"advertisements":[51],"on":[52],"web.":[54],"Formally,":[55],"we":[56,98,122],"assume":[57],"queries":[59],"lie":[60],"metric":[63],"space,":[64],"with":[65,119],"distance":[66],"function":[67],"d(.,.).":[68],"A":[69],"p":[71],"considered":[73],"hit":[76],"if":[77],"there":[78],"point":[81],"q":[82],"sufficiently":[88],"close":[89],"p,":[91],"i.e.,":[92],"for":[93],"threshold":[95],"radius":[96],"r,":[97],"have":[99],"d(p,q)":[100],"\u2264":[101],"r.":[102],"The":[103],"goal":[104],"then":[106],"minimize":[108],"number":[110],"misses,":[113],"vis-\u00e0-vis":[114],"optimal":[116],"algorithm.":[117],"As":[118],"caching,":[121],"use":[123],"competitive":[125],"ratio":[126],"measure":[128],"performance":[130],"different":[132],"algorithms.":[133]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}