{"id":"https://openalex.org/W2096554081","doi":"https://doi.org/10.1145/1265530.1265545","title":"Finding near neighbors through cluster pruning","display_name":"Finding near neighbors through cluster pruning","publication_year":2007,"publication_date":"2007-06-11","ids":{"openalex":"https://openalex.org/W2096554081","doi":"https://doi.org/10.1145/1265530.1265545","mag":"2096554081"},"language":"en","primary_location":{"id":"doi:10.1145/1265530.1265545","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1265530.1265545","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-sixth 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/I4210099865","display_name":"European University of Rome","ror":"https://ror.org/011at3t25","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210099865"]},{"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":["University of Rome","[University of Rome]"],"affiliations":[{"raw_affiliation_string":"University of Rome","institution_ids":["https://openalex.org/I4210099865"]},{"raw_affiliation_string":"[University of Rome]","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063633119","display_name":"Alessandro Panconesi","orcid":"https://orcid.org/0000-0002-2169-3067"},"institutions":[{"id":"https://openalex.org/I4210099865","display_name":"European University of Rome","ror":"https://ror.org/011at3t25","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210099865"]},{"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":false,"raw_author_name":"Alessandro Panconesi","raw_affiliation_strings":["University of Rome","[University of Rome]"],"affiliations":[{"raw_affiliation_string":"University of Rome","institution_ids":["https://openalex.org/I4210099865"]},{"raw_affiliation_string":"[University of Rome]","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078491738","display_name":"Prabhakar Raghavan","orcid":"https://orcid.org/0000-0001-9853-7604"},"institutions":[{"id":"https://openalex.org/I2800095910","display_name":"Yahoo (Spain)","ror":"https://ror.org/03gq8sg42","country_code":"ES","type":"company","lineage":["https://openalex.org/I2800095910","https://openalex.org/I4210134091"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Prabhakar Raghavan","raw_affiliation_strings":["Yahoo! Research","Yahoo! research,"],"affiliations":[{"raw_affiliation_string":"Yahoo! Research","institution_ids":[]},{"raw_affiliation_string":"Yahoo! research,","institution_ids":["https://openalex.org/I2800095910"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057257639","display_name":"Mauro Sozio","orcid":"https://orcid.org/0000-0002-2031-3974"},"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"]},{"id":"https://openalex.org/I4210099865","display_name":"European University of Rome","ror":"https://ror.org/011at3t25","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210099865"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Mauro Sozio","raw_affiliation_strings":["University of Rome","[University of Rome]"],"affiliations":[{"raw_affiliation_string":"University of Rome","institution_ids":["https://openalex.org/I4210099865"]},{"raw_affiliation_string":"[University of Rome]","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042384454","display_name":"Alessandro Tiberi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210099865","display_name":"European University of Rome","ror":"https://ror.org/011at3t25","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210099865"]},{"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":false,"raw_author_name":"Alessandro Tiberi","raw_affiliation_strings":["University of Rome","[University of Rome]"],"affiliations":[{"raw_affiliation_string":"University of Rome","institution_ids":["https://openalex.org/I4210099865"]},{"raw_affiliation_string":"[University of Rome]","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028869858","display_name":"Eli Upfal","orcid":"https://orcid.org/0000-0002-9321-9460"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eli Upfal","raw_affiliation_strings":["Brown University"],"affiliations":[{"raw_affiliation_string":"Brown University","institution_ids":["https://openalex.org/I175594653"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5078401676"],"corresponding_institution_ids":["https://openalex.org/I4210099865","https://openalex.org/I861853513"],"apc_list":null,"apc_paid":null,"fwci":3.8002,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.94156285,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"103","last_page":"112"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.9987999796867371,"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"}},{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/pruning","display_name":"Pruning","score":0.7171585559844971},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.7092876434326172},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6775012612342834},{"id":"https://openalex.org/keywords/k-nearest-neighbors-algorithm","display_name":"k-nearest neighbors algorithm","score":0.6355432271957397},{"id":"https://openalex.org/keywords/recursion","display_name":"Recursion (computer science)","score":0.607741117477417},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5979408025741577},{"id":"https://openalex.org/keywords/nearest-neighbor-search","display_name":"Nearest neighbor search","score":0.5305065512657166},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5148698091506958},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.46906089782714844},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4537321925163269},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4479694068431854},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4424920380115509},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4022705852985382},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3837660253047943},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3212066888809204},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2363618016242981},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07173249125480652}],"concepts":[{"id":"https://openalex.org/C108010975","wikidata":"https://www.wikidata.org/wiki/Q500094","display_name":"Pruning","level":2,"score":0.7171585559844971},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.7092876434326172},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6775012612342834},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.6355432271957397},{"id":"https://openalex.org/C168773036","wikidata":"https://www.wikidata.org/wiki/Q264164","display_name":"Recursion (computer science)","level":2,"score":0.607741117477417},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5979408025741577},{"id":"https://openalex.org/C116738811","wikidata":"https://www.wikidata.org/wiki/Q608751","display_name":"Nearest neighbor search","level":2,"score":0.5305065512657166},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5148698091506958},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.46906089782714844},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4537321925163269},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4479694068431854},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4424920380115509},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4022705852985382},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3837660253047943},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3212066888809204},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2363618016242981},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07173249125480652},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1265530.1265545","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1265530.1265545","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-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/358429","is_oa":false,"landing_page_url":"http://www.scopus.com/inward/record.url?eid=2-s2.0-35448996113&partnerID=65&md5=970b161831ba05c6230af7641b468111","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":27,"referenced_works":["https://openalex.org/W1486088638","https://openalex.org/W1502916507","https://openalex.org/W1554174647","https://openalex.org/W1606480398","https://openalex.org/W1651093245","https://openalex.org/W1672197616","https://openalex.org/W1969357402","https://openalex.org/W1971927246","https://openalex.org/W1998512964","https://openalex.org/W2022266599","https://openalex.org/W2031212151","https://openalex.org/W2043362380","https://openalex.org/W2066667100","https://openalex.org/W2088101210","https://openalex.org/W2118269922","https://openalex.org/W2141585940","https://openalex.org/W2142385580","https://openalex.org/W2145036943","https://openalex.org/W2145725688","https://openalex.org/W2147717514","https://openalex.org/W2161694911","https://openalex.org/W2164122986","https://openalex.org/W2169351022","https://openalex.org/W2238624099","https://openalex.org/W6629956336","https://openalex.org/W6636396655","https://openalex.org/W6637231022"],"related_works":["https://openalex.org/W2148008870","https://openalex.org/W2381195555","https://openalex.org/W4246757943","https://openalex.org/W2368606575","https://openalex.org/W2132753198","https://openalex.org/W2369874856","https://openalex.org/W2182477562","https://openalex.org/W2792185758","https://openalex.org/W2787484455","https://openalex.org/W2119808169"],"abstract_inverted_index":{"Finding":[0],"near(est)":[1],"neighbors":[2,78,109],"is":[3,58],"a":[4,41],"classic,":[5],"difficult":[6],"problem":[7],"in":[8,15,87,98,102,130],"data":[9,44,51],"management":[10],"and":[11,17,23,101,124],"retrieval,":[12],"with":[13],"applications":[14],"text":[16],"image":[18],"search,in":[19],"finding":[20],"similar":[21],"objects":[22],"matching":[24],"patterns.":[25],"Here":[26],"we":[27,38,64],"study":[28],"cluster":[29],"pruning,":[30],"an":[31],"extremely":[32],"simple":[33],"randomized":[34],"technique.":[35],"During":[36],"preprocessing":[37,100],"randomly":[39],"choose":[40],"subset":[42],"of":[43,90],"points":[45,52,86],"to":[46,69],"be":[47,96],"leaders":[48],"the":[49,59,66,70,76,80,85,88,91,116],"remaining":[50],"are":[53,111,121],"partitioned":[54],"by":[55],"which":[56],"leader":[57],"closest.":[60],"For":[61],"query":[62,71,81],"processing,":[63],"find":[65],"leader(s)":[67],"closest":[68,92],"point.":[72],"We":[73],"then":[74],"seek":[75,106],"nearest":[77,108,117],"for":[79],"point":[82],"among":[83],"only":[84],"clusters":[89],"leader(s).":[93],"Recursion":[94],"may":[95],"used":[97],"both":[99],"search.":[103],"Such":[104],"schemes":[105],"approximate":[107],"that":[110],"\"almost":[112],"as":[113,115],"good\"":[114],"neighbors.":[118],"How":[119],"good":[120],"these":[122],"approximations":[123],"how":[125],"much":[126],"do":[127],"they":[128],"save":[129],"computation.":[131]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}