{"id":"https://openalex.org/W2122751544","doi":"https://doi.org/10.1145/2048066.2048131","title":"A simple abstraction for complex concurrent indexes","display_name":"A simple abstraction for complex concurrent indexes","publication_year":2011,"publication_date":"2011-10-22","ids":{"openalex":"https://openalex.org/W2122751544","doi":"https://doi.org/10.1145/2048066.2048131","mag":"2122751544"},"language":"en","primary_location":{"id":"doi:10.1145/2048066.2048131","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2048066.2048131","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2011 ACM international conference on Object oriented programming systems languages and applications","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10044/1/95171","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051108520","display_name":"Pedro da Rocha Pinto","orcid":"https://orcid.org/0000-0002-5879-5948"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Pedro da Rocha Pinto","raw_affiliation_strings":["Imperial College London, London, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063687513","display_name":"Thomas Dinsdale-Young","orcid":null},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Thomas Dinsdale-Young","raw_affiliation_strings":["Imperial College London, London, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085860278","display_name":"Mike Dodds","orcid":"https://orcid.org/0000-0002-4439-0130"},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mike Dodds","raw_affiliation_strings":["University of Cambridge, Cambridge, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Cambridge, Cambridge, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047951273","display_name":"Philippa Gardner","orcid":"https://orcid.org/0000-0002-4187-0585"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Philippa Gardner","raw_affiliation_strings":["Imperial College London, London, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088715257","display_name":"Mark Wheelhouse","orcid":null},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mark Wheelhouse","raw_affiliation_strings":["Imperial College London, London, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5051108520"],"corresponding_institution_ids":["https://openalex.org/I47508984"],"apc_list":null,"apc_paid":null,"fwci":2.9236,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.91433483,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"845","last_page":"864"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":1.0,"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/T10772","display_name":"Distributed systems and fault tolerance","score":1.0,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9991999864578247,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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":0.8901023864746094},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.6632247567176819},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.538487434387207},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.518934965133667},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.4954029321670532},{"id":"https://openalex.org/keywords/hash-table","display_name":"Hash table","score":0.49172094464302063},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.47646069526672363}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8901023864746094},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.6632247567176819},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.538487434387207},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.518934965133667},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.4954029321670532},{"id":"https://openalex.org/C67388219","wikidata":"https://www.wikidata.org/wiki/Q207440","display_name":"Hash table","level":3,"score":0.49172094464302063},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.47646069526672363},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1145/2048066.2048131","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2048066.2048131","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2011 ACM international conference on Object oriented programming systems languages and applications","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.224.8939","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.224.8939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cl.cam.ac.uk/%7Emd466/publications/OOPSLA.11.indexes.pdf","raw_type":"text"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/30346","is_oa":false,"landing_page_url":"http://hdl.handle.net/10044/1/30346","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2011 ACM international conference on Object oriented programming systems languages and applications","raw_type":"Conference Paper"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/95171","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/95171","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"38","raw_type":"Report"},{"id":"doi:10.25561/95171","is_oa":true,"landing_page_url":"https://doi.org/10.25561/95171","pdf_url":null,"source":{"id":"https://openalex.org/S7407050757","display_name":"Imperial College Research Computing Service Data Repository","issn_l":null,"issn":[],"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/95171","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/95171","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"38","raw_type":"Report"},"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G1322032678","display_name":null,"funder_award_id":"EP/H010815/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G3537388685","display_name":"Resource Reasoning","funder_award_id":"EP/H008373/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G7910127284","display_name":null,"funder_award_id":"EP/H008373","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G7971652349","display_name":"jStar: making java verification practical","funder_award_id":"EP/H010815/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320311061","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1552367747","https://openalex.org/W1555026604","https://openalex.org/W1607674807","https://openalex.org/W1819989006","https://openalex.org/W1861989620","https://openalex.org/W1976678664","https://openalex.org/W1981382949","https://openalex.org/W2019632078","https://openalex.org/W2029214188","https://openalex.org/W2030125238","https://openalex.org/W2039071499","https://openalex.org/W2101939036","https://openalex.org/W2121457325","https://openalex.org/W2122751544","https://openalex.org/W2125186410","https://openalex.org/W2132761501","https://openalex.org/W2136132549","https://openalex.org/W2136739578","https://openalex.org/W2137628566","https://openalex.org/W2138474070","https://openalex.org/W2139533136","https://openalex.org/W2149504509","https://openalex.org/W2154985136","https://openalex.org/W2171685273","https://openalex.org/W2183354935","https://openalex.org/W2183361178","https://openalex.org/W2436525433","https://openalex.org/W4230121659"],"related_works":["https://openalex.org/W2120447654","https://openalex.org/W2977179488","https://openalex.org/W2144453115","https://openalex.org/W2744553356","https://openalex.org/W2128223750","https://openalex.org/W2144265691","https://openalex.org/W1605991620","https://openalex.org/W113683524","https://openalex.org/W4385261619","https://openalex.org/W93624718"],"abstract_inverted_index":{"Indexes":[0],"are":[1],"ubiquitous.":[2],"Examples":[3],"include":[4],"associative":[5],"arrays,":[6],"dictionaries,":[7],"maps":[8],"and":[9,19,44,132],"hashes":[10],"used":[11],"in":[12,140],"applications":[13,83],"such":[14],"as":[15,29],"databases,":[16],"file":[17],"systems":[18],"dynamic":[20],"languages.":[21],"Abstractly,":[22],"a":[23,30],"sequential":[24],"index":[25,46],"can":[26,38,47,90,146],"be":[27,39,48,147],"viewed":[28],"partial":[31],"function":[32],"from":[33,150],"keys":[34],"to":[35,95],"values.":[36],"Values":[37],"queried":[40],"by":[41,50,111,124,154],"their":[42],"keys,":[43],"the":[45,142,151],"mutated":[49],"adding":[51],"or":[52],"removing":[53],"mappings.":[54],"Whilst":[55],"appealingly":[56],"simple,":[57],"this":[58],"abstract":[59,72,156],"specification":[60,73,101,121],"is":[61,122],"insufficient":[62],"for":[63,74],"reasoning":[64],"about":[65],"indexes":[66],"accessed":[67],"concurrently.":[68],"We":[69,77,117],"present":[70],"an":[71],"concurrent":[75,81,115],"indexes.":[76,116],"verify":[78,118],"several":[79],"representative":[80],"client":[82],"using":[84],"our":[85,120,155],"specification,":[86],"demonstrating":[87],"that":[88,119],"clients":[89],"reason":[91],"abstractly":[92],"without":[93],"having":[94],"consider":[96],"specific":[97],"underlying":[98],"implementations.":[99],"Our":[100],"would,":[102],"however,":[103],"mean":[104],"nothing":[105],"if":[106],"it":[107],"were":[108],"not":[109],"satisfied":[110,123],"standard":[112],"implementations":[113],"of":[114,137],"algorithms":[125],"based":[126],"on":[127],"linked":[128],"lists,":[129],"hash":[130],"tables":[131],"B-Link":[133,143],"trees.":[134],"The":[135],"complexity":[136],"these":[138],"algorithms,":[139],"particular":[141],"tree":[144],"algorithm,":[145],"completely":[148],"hidden":[149],"client's":[152],"view":[153],"specification.":[157]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":5}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}