{"id":"https://openalex.org/W2145985902","doi":"https://doi.org/10.1145/1938551.1938584","title":"Detecting and exploiting near-sortedness for efficient relational query evaluation","display_name":"Detecting and exploiting near-sortedness for efficient relational query evaluation","publication_year":2011,"publication_date":"2011-02-08","ids":{"openalex":"https://openalex.org/W2145985902","doi":"https://doi.org/10.1145/1938551.1938584","mag":"2145985902"},"language":"en","primary_location":{"id":"doi:10.1145/1938551.1938584","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1938551.1938584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th International Conference on Database Theory","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/A5085736138","display_name":"Sagi Ben-Moshe","orcid":null},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Sagi Ben-Moshe","raw_affiliation_strings":["Technion"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technion","institution_ids":["https://openalex.org/I174306211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003221932","display_name":"Yaron Kanza","orcid":"https://orcid.org/0000-0001-6056-595X"},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Yaron Kanza","raw_affiliation_strings":["Technion"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technion","institution_ids":["https://openalex.org/I174306211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110904672","display_name":"Eldar Fischer","orcid":null},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Eldar Fischer","raw_affiliation_strings":["Technion"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technion","institution_ids":["https://openalex.org/I174306211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067080101","display_name":"Arie Matsliah","orcid":"https://orcid.org/0009-0001-4490-2028"},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Arie Matsliah","raw_affiliation_strings":["Technion"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technion","institution_ids":["https://openalex.org/I174306211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072220830","display_name":"Mani Fischer","orcid":null},"institutions":[{"id":"https://openalex.org/I1324840837","display_name":"Hewlett-Packard (United States)","ror":"https://ror.org/059rn9488","country_code":"US","type":"company","lineage":["https://openalex.org/I1324840837"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mani Fischer","raw_affiliation_strings":["HP Labs","HP Labs,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HP Labs","institution_ids":["https://openalex.org/I1324840837"]},{"raw_affiliation_string":"HP Labs,","institution_ids":["https://openalex.org/I1324840837"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055017685","display_name":"Carl Staelin","orcid":null},"institutions":[{"id":"https://openalex.org/I1324840837","display_name":"Hewlett-Packard (United States)","ror":"https://ror.org/059rn9488","country_code":"US","type":"company","lineage":["https://openalex.org/I1324840837"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carl Staelin","raw_affiliation_strings":["HP Labs","HP Labs,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HP Labs","institution_ids":["https://openalex.org/I1324840837"]},{"raw_affiliation_string":"HP Labs,","institution_ids":["https://openalex.org/I1324840837"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5085736138"],"corresponding_institution_ids":["https://openalex.org/I174306211"],"apc_list":null,"apc_paid":null,"fwci":1.462,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.84253884,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"256","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9940999746322632,"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":0.9940999746322632,"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/T12127","display_name":"Software System Performance and Reliability","score":0.9939000010490417,"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/T11303","display_name":"Bayesian Modeling and Causal Inference","score":0.9929999709129333,"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/computer-science","display_name":"Computer science","score":0.7552617192268372},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.7093959450721741},{"id":"https://openalex.org/keywords/sort","display_name":"sort","score":0.643893837928772},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.586504340171814},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.5781237483024597},{"id":"https://openalex.org/keywords/join","display_name":"Join (topology)","score":0.4776524305343628},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44570034742355347},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.43494945764541626},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.421636700630188},{"id":"https://openalex.org/keywords/conjunctive-query","display_name":"Conjunctive query","score":0.4191684126853943},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.31207984685897827},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14629149436950684},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.07862269878387451}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7552617192268372},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.7093959450721741},{"id":"https://openalex.org/C88548561","wikidata":"https://www.wikidata.org/wiki/Q347599","display_name":"sort","level":2,"score":0.643893837928772},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.586504340171814},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.5781237483024597},{"id":"https://openalex.org/C2776124973","wikidata":"https://www.wikidata.org/wiki/Q3183033","display_name":"Join (topology)","level":2,"score":0.4776524305343628},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44570034742355347},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.43494945764541626},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.421636700630188},{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.4191684126853943},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.31207984685897827},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14629149436950684},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.07862269878387451},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"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":3,"locations":[{"id":"doi:10.1145/1938551.1938584","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1938551.1938584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th International Conference on Database Theory","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.225.4334","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.225.4334","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.technion.ac.il/%7Ekanza/Papers/icdt11.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.227.6653","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.227.6653","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.technion.ac.il/%7Eariem/icdt.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":16,"referenced_works":["https://openalex.org/W104148001","https://openalex.org/W421157177","https://openalex.org/W1527565969","https://openalex.org/W1999014333","https://openalex.org/W2029876610","https://openalex.org/W2038521541","https://openalex.org/W2073966617","https://openalex.org/W2085463701","https://openalex.org/W2126520469","https://openalex.org/W2242669280","https://openalex.org/W2752853835","https://openalex.org/W3023302315","https://openalex.org/W4285719527","https://openalex.org/W4301625974","https://openalex.org/W6656895488","https://openalex.org/W6744529318"],"related_works":["https://openalex.org/W1505212787","https://openalex.org/W4226251578","https://openalex.org/W2114334214","https://openalex.org/W2127795772","https://openalex.org/W119841348","https://openalex.org/W3047081115","https://openalex.org/W2057416894","https://openalex.org/W2949144621","https://openalex.org/W3107700780","https://openalex.org/W3170346938"],"abstract_inverted_index":{"Many":[0],"relational":[1,118],"operations":[2,119,131],"are":[3,9,28,64,109,120],"best":[4],"performed":[5],"when":[6,91,117],"the":[7,13,17,70,111],"relations":[8,27,55,82,108],"stored":[10,30],"sorted":[11,31,81],"over":[12],"relevant":[14,49],"attributes":[15,19],"(e.g.":[16],"common":[18],"in":[20,69],"a":[21,93,124],"natural":[22],"join":[23],"operation).":[24],"However,":[25],"generally":[26],"not":[29],"because":[32],"it":[33],"is":[34,45,127],"expensive":[35],"to":[36,58,66],"maintain":[37],"them":[38],"this":[39,142],"way":[40],"(and":[41],"impossible":[42],"whenever":[43],"there":[44],"more":[46,135],"than":[47],"one":[48],"sort":[50],"key).":[51],"Still,":[52],"many":[53,130],"times":[54],"turn":[56],"out":[57],"be":[59,133],"nearly-sorted,":[60],"where":[61,79],"most":[62],"tuples":[63],"close":[65],"their":[67],"place":[68],"order.":[71],"This":[72],"state":[73],"can":[74,97,132],"result":[75,99],"from":[76,100],"\"leftover":[77],"sortedness\",":[78],"originally":[80],"were":[83,86],"updated,":[84],"or":[85],"combined":[87],"into":[88],"interim":[89],"results":[90],"evaluating":[92],"complex":[94],"query.":[95],"It":[96],"also":[98],"weak":[101],"correlations":[102],"between":[103],"attribute":[104],"values.":[105],"Currently,":[106],"nearly-sorted":[107],"treated":[110],"same":[112],"as":[113],"unsorted":[114],"relations,":[115],"and":[116],"evaluated":[121],"for":[122],"them,":[123],"generic":[125],"algorithm":[126,139],"used.":[128],"Yet,":[129],"computed":[134],"efficiently":[136],"by":[137],"an":[138],"that":[140],"exploits":[141],"near-ordering.":[143]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}