{"id":"https://openalex.org/W2128318828","doi":"https://doi.org/10.1109/icde.2002.994705","title":"Condensed cube: an effective approach to reducing data cube size","display_name":"Condensed cube: an effective approach to reducing data cube size","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2128318828","doi":"https://doi.org/10.1109/icde.2002.994705","mag":"2128318828"},"language":"en","primary_location":{"id":"doi:10.1109/icde.2002.994705","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icde.2002.994705","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings 18th International Conference on Data Engineering","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/A5100698646","display_name":"Wang Wei","orcid":"https://orcid.org/0000-0001-7792-5309"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Wei Wang","raw_affiliation_strings":["Department of Computer Science, Hong Kong University of Science and Technology, Hong Kong, China","[Department of Computer Science, Hong Kong University of Science and Technology, China]"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"[Department of Computer Science, Hong Kong University of Science and Technology, China]","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100840272","display_name":"Jianlin Feng","orcid":null},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianlin Feng","raw_affiliation_strings":["Schoolof Computer Science, Huazhong University of Science and Technology, Wuhan, China","Huazhong University of Science and Technology,"],"affiliations":[{"raw_affiliation_string":"Schoolof Computer Science, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"Huazhong University of Science and Technology,","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103551313","display_name":"Hongjun L\u00fc","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hongjun Lu","raw_affiliation_strings":["Department of Computer Science, Hong Kong University of Science and Technology, Hong Kong, China","Hong Kong University of Science & Technology"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075642293","display_name":"Jeffrey Xu Yu","orcid":"https://orcid.org/0000-0002-9738-827X"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"J.X. Yu","raw_affiliation_strings":["Department of Sys. Engineering & Engineering Management, Chinese University of Hong Kong, Hong Kong, China","The Chinese University of Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Sys. Engineering & Engineering Management, Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"The Chinese University of Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100698646"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":15.647,"has_fulltext":false,"cited_by_count":167,"citation_normalized_percentile":{"value":0.99013531,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"155","last_page":"165"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","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/T10317","display_name":"Advanced Database Systems and Queries","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/T11106","display_name":"Data Management and Algorithms","score":0.9968000054359436,"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/T12761","display_name":"Data Stream Mining Techniques","score":0.9790999889373779,"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/cube","display_name":"Cube (algebra)","score":0.890977144241333},{"id":"https://openalex.org/keywords/online-analytical-processing","display_name":"Online analytical processing","score":0.8424352407455444},{"id":"https://openalex.org/keywords/data-cube","display_name":"Data cube","score":0.7884708642959595},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6711989045143127},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6532005667686462},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42234688997268677},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.41673243045806885},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3201606571674347},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.29567819833755493},{"id":"https://openalex.org/keywords/data-warehouse","display_name":"Data warehouse","score":0.18055450916290283},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17157188057899475},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.07332056760787964}],"concepts":[{"id":"https://openalex.org/C53051483","wikidata":"https://www.wikidata.org/wiki/Q861555","display_name":"Cube (algebra)","level":2,"score":0.890977144241333},{"id":"https://openalex.org/C201932085","wikidata":"https://www.wikidata.org/wiki/Q642514","display_name":"Online analytical processing","level":3,"score":0.8424352407455444},{"id":"https://openalex.org/C78168278","wikidata":"https://www.wikidata.org/wiki/Q5227269","display_name":"Data cube","level":2,"score":0.7884708642959595},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6711989045143127},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6532005667686462},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42234688997268677},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.41673243045806885},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3201606571674347},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.29567819833755493},{"id":"https://openalex.org/C135572916","wikidata":"https://www.wikidata.org/wiki/Q193351","display_name":"Data warehouse","level":2,"score":0.18055450916290283},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17157188057899475},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.07332056760787964}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icde.2002.994705","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icde.2002.994705","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings 18th International Conference on Data Engineering","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.21.9835","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.21.9835","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.ust.hk/~fervvac/./files/ICDE02-Cube-Final.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.215.2220","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.215.2220","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ss.sysu.edu.cn/~fjl/icde2002-feng.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W67853643","https://openalex.org/W1506170043","https://openalex.org/W1514949376","https://openalex.org/W1562074773","https://openalex.org/W1600355623","https://openalex.org/W2011679994","https://openalex.org/W2036560106","https://openalex.org/W2039100193","https://openalex.org/W2044240774","https://openalex.org/W2045604576","https://openalex.org/W2068289711","https://openalex.org/W2092103580","https://openalex.org/W2103201239","https://openalex.org/W2114076791","https://openalex.org/W2114372843","https://openalex.org/W2150950420","https://openalex.org/W2166490783","https://openalex.org/W2199389590","https://openalex.org/W2910328769","https://openalex.org/W2950416404","https://openalex.org/W3021753108","https://openalex.org/W4230230708","https://openalex.org/W4231287357","https://openalex.org/W4250212406","https://openalex.org/W6602782649","https://openalex.org/W6630334666","https://openalex.org/W6630762386","https://openalex.org/W6633812473","https://openalex.org/W6636023781","https://openalex.org/W6660215869","https://openalex.org/W6682058615","https://openalex.org/W6684260161"],"related_works":["https://openalex.org/W2078886005","https://openalex.org/W2087724950","https://openalex.org/W2366586806","https://openalex.org/W2198278743","https://openalex.org/W2359610078","https://openalex.org/W1578257433","https://openalex.org/W2386977141","https://openalex.org/W2360760838","https://openalex.org/W2727179277","https://openalex.org/W2348128982"],"abstract_inverted_index":{"Pre-computed":[0],"data":[1,12,44,72,126],"cube":[2,13,45,76,94,115,127,143,148],"facilitates":[3],"OLAP":[4],"(on-line":[5],"analytical":[6],"processing).":[7],"It":[8],"is":[9,15,46,59,77,90],"well-known":[10],"that":[11,139],"computation":[14,31,153],"an":[16],"expensive":[17],"operation.":[18],"While":[19],"most":[20],"algorithms":[21,110],"have":[22],"been":[23],"devoted":[24],"to":[25],"optimizing":[26],"memory":[27],"management":[28],"and":[29,133,150],"reducing":[30],"costs,":[32],"less":[33],"work":[34],"has":[35],"addressed":[36],"a":[37,43,49,54,66,70,83,91,113],"fundamental":[38],"issue:":[39],"the":[40,122,140,147],"size":[41,81,149],"of":[42,57,78,119,124],"huge":[47],"when":[48,106],"large":[50,55],"base":[51],"relation":[52],"with":[53],"number":[56],"attributes":[58],"involved.":[60],"In":[61],"this":[62],"paper,":[63],"we":[64],"propose":[65],"new":[67],"concept,":[68],"called":[69],"condensed":[71,75,114,125,142],"cube.":[73,86],"The":[74,136],"much":[79],"smaller":[80],"than":[82],"complete":[84],"non-condensed":[85],"More":[87],"importantly,":[88],"it":[89,99],"fully":[92],"pre-computed":[93],"without":[95],"compression,":[96],"and,":[97],"hence,":[98],"requires":[100],"neither":[101],"decompression":[102],"nor":[103],"further":[104],"aggregation":[105],"answering":[107],"queries.":[108],"Several":[109],"for":[111],"computing":[112],"are":[116,128],"proposed.":[117],"Results":[118],"experiments":[120],"on":[121],"effectiveness":[123],"presented,":[129],"using":[130],"both":[131,146],"synthetic":[132],"real-world":[134],"data.":[135],"results":[137],"indicate":[138],"proposed":[141],"can":[144],"reduce":[145],"therefore":[151],"its":[152],"time.":[154]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}