{"id":"https://openalex.org/W3207605634","doi":"https://doi.org/10.1145/3474944.3474949","title":"Query Optimization and Rebalancing Methods based on CMD","display_name":"Query Optimization and Rebalancing Methods based on CMD","publication_year":2021,"publication_date":"2021-01-16","ids":{"openalex":"https://openalex.org/W3207605634","doi":"https://doi.org/10.1145/3474944.3474949","mag":"3207605634"},"language":"en","primary_location":{"id":"doi:10.1145/3474944.3474949","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3474944.3474949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 the 3rd International Conference on Big Data Engineering and Technology (BDET)","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/A5100622109","display_name":"Shuo Wang","orcid":"https://orcid.org/0000-0002-6350-6362"},"institutions":[{"id":"https://openalex.org/I55022517","display_name":"Heilongjiang University","ror":"https://ror.org/04zyhq975","country_code":"CN","type":"education","lineage":["https://openalex.org/I55022517"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuo Wang","raw_affiliation_strings":["Heilongjiang University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heilongjiang University, China","institution_ids":["https://openalex.org/I55022517"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054390762","display_name":"Zhaogong Zhang","orcid":"https://orcid.org/0000-0002-1195-936X"},"institutions":[{"id":"https://openalex.org/I55022517","display_name":"Heilongjiang University","ror":"https://ror.org/04zyhq975","country_code":"CN","type":"education","lineage":["https://openalex.org/I55022517"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"ZhaoGong Zhang","raw_affiliation_strings":["Heilongjiang University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heilongjiang University, China","institution_ids":["https://openalex.org/I55022517"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021402441","display_name":"Qingyu Meng","orcid":null},"institutions":[{"id":"https://openalex.org/I55022517","display_name":"Heilongjiang University","ror":"https://ror.org/04zyhq975","country_code":"CN","type":"education","lineage":["https://openalex.org/I55022517"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingyu Meng","raw_affiliation_strings":["Heilongjiang University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heilongjiang University, China","institution_ids":["https://openalex.org/I55022517"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I55022517"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13761375,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"30","last_page":"34"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","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/T11181","display_name":"Advanced Data Storage Technologies","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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9937000274658203,"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"}},{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9919000267982483,"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/computer-science","display_name":"Computer science","score":0.8153542876243591},{"id":"https://openalex.org/keywords/range-query","display_name":"Range query (database)","score":0.6233021020889282},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.6037319898605347},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.5804818868637085},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.55539870262146},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.5427314639091492},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5402564406394958},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.484147846698761},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.4811931252479553},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4288053512573242},{"id":"https://openalex.org/keywords/modulo","display_name":"Modulo","score":0.42762291431427},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.42603635787963867},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3978123068809509},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.35223597288131714},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.22954615950584412},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.2259107530117035},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.20355936884880066},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.1618555188179016},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.1441461443901062}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8153542876243591},{"id":"https://openalex.org/C136736807","wikidata":"https://www.wikidata.org/wiki/Q818943","display_name":"Range query (database)","level":5,"score":0.6233021020889282},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.6037319898605347},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.5804818868637085},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.55539870262146},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.5427314639091492},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5402564406394958},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.484147846698761},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.4811931252479553},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4288053512573242},{"id":"https://openalex.org/C54732982","wikidata":"https://www.wikidata.org/wiki/Q1415345","display_name":"Modulo","level":2,"score":0.42762291431427},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.42603635787963867},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3978123068809509},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.35223597288131714},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.22954615950584412},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.2259107530117035},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.20355936884880066},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.1618555188179016},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.1441461443901062},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3474944.3474949","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3474944.3474949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 the 3rd International Conference on Big Data Engineering and Technology (BDET)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1512158739","https://openalex.org/W1983748443","https://openalex.org/W2004958263","https://openalex.org/W2005112390","https://openalex.org/W2038412523","https://openalex.org/W2075260446","https://openalex.org/W2105947650","https://openalex.org/W2110086534","https://openalex.org/W2119565742","https://openalex.org/W2119738171","https://openalex.org/W2149509741","https://openalex.org/W2173213060","https://openalex.org/W2948936239","https://openalex.org/W2954729276","https://openalex.org/W3122383853"],"related_works":["https://openalex.org/W2123323016","https://openalex.org/W2385423149","https://openalex.org/W2554740646","https://openalex.org/W2349153818","https://openalex.org/W2379163160","https://openalex.org/W2387013713","https://openalex.org/W2352314335","https://openalex.org/W2038511274","https://openalex.org/W2370317274","https://openalex.org/W2378560543"],"abstract_inverted_index":{"As":[0],"the":[1,7,29,40,52,82,102,107,110,121,132,147],"amount":[2],"of":[3,42,47,56,84,125,131,135],"user":[4],"data":[5,15,34,63,86,143],"increase,":[6],"computer":[8],"performance":[9,90],"and":[10,17,22,36,45],"I/O":[11,88],"speed":[12],"required":[13],"for":[14,32],"processing":[16],"analysis":[18],"are":[19],"getting":[20],"higher":[21],"higher.":[23],"Distributed":[24],"file":[25],"system":[26],"has":[27,116],"become":[28],"primary":[30],"option":[31],"big":[33,85],"storage":[35,54,72,78,104,149],"query.":[37],"According":[38],"to":[39,61,69,74,91,119],"characteristics":[41],"high":[43],"dimensionality":[44],"sparseness":[46],"data,":[48,138],"this":[49],"paper":[50],"uses":[51],"distributed":[53,77],"idea":[55],"CMD":[57,103,148],"(coordinate":[58],"modulo":[59],"distribution)":[60],"store":[62],"in":[64,129],"blocks.":[65],"We":[66,95],"only":[67],"need":[68],"use":[70],"cheap":[71],"devices":[73],"form":[75],"a":[76,92,141],"system,":[79],"which":[80],"solves":[81],"problem":[83,124],"disk":[87],"read":[89],"certain":[93],"extent.":[94],"have":[96],"improved":[97],"range":[98],"query":[99],"function":[100],"under":[101],"method;":[105],"at":[106],"same":[108],"time,":[109],"optimized":[111],"B+":[112],"tree":[113],"index":[114],"technology":[115],"been":[117],"used":[118],"solve":[120],"precise":[122],"search":[123],"sparse":[126],"data.":[127],"Finally,":[128],"view":[130],"unbalanced":[133],"distribution":[134],"different":[136],"sub-node":[137],"we":[139],"propose":[140],"new":[142],"rebalancing":[144],"method":[145],"on":[146],"method.":[150]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
