{"id":"https://openalex.org/W2036971997","doi":"https://doi.org/10.14778/2350229.2350244","title":"Opening the black boxes in data flow optimization","display_name":"Opening the black boxes in data flow optimization","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2036971997","doi":"https://doi.org/10.14778/2350229.2350244","mag":"2036971997"},"language":"en","primary_location":{"id":"doi:10.14778/2350229.2350244","is_oa":false,"landing_page_url":"https://doi.org/10.14778/2350229.2350244","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-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/A5066448126","display_name":"Fabian Hueske","orcid":"https://orcid.org/0009-0003-7764-9174"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Fabian Hueske","raw_affiliation_strings":["Technische Universit\u00e4t Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007738316","display_name":"Mathias Peters","orcid":null},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mathias Peters","raw_affiliation_strings":["Humboldt-Universit\u00e4t zu Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Humboldt-Universit\u00e4t zu Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059803641","display_name":"Matthias J. Sax","orcid":null},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias J. Sax","raw_affiliation_strings":["Humboldt-Universit\u00e4t zu Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Humboldt-Universit\u00e4t zu Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082039142","display_name":"Astrid Rheinl\u00e4nder","orcid":"https://orcid.org/0000-0002-2042-8720"},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Astrid Rheinl\u00e4nder","raw_affiliation_strings":["Humboldt-Universit\u00e4t zu Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Humboldt-Universit\u00e4t zu Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027843498","display_name":"Rico Bergmann","orcid":"https://orcid.org/0009-0005-1514-7253"},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rico Bergmann","raw_affiliation_strings":["Humboldt-Universit\u00e4t zu Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Humboldt-Universit\u00e4t zu Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021751187","display_name":"Aljoscha Krettek","orcid":null},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Aljoscha Krettek","raw_affiliation_strings":["Technische Universit\u00e4t Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022844658","display_name":"Kostas Tzoumas","orcid":null},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Kostas Tzoumas","raw_affiliation_strings":["Technische Universit\u00e4t Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5066448126"],"corresponding_institution_ids":["https://openalex.org/I4577782"],"apc_list":null,"apc_paid":null,"fwci":29.1325,"has_fulltext":false,"cited_by_count":109,"citation_normalized_percentile":{"value":0.99569743,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"5","issue":"11","first_page":"1256","last_page":"1267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9995999932289124,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9994000196456909,"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":0.9980000257492065,"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":0.7843272686004639},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.643618106842041},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6070131659507751},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.5931448936462402},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5596038103103638},{"id":"https://openalex.org/keywords/algebraic-semantics","display_name":"Algebraic semantics","score":0.517319917678833},{"id":"https://openalex.org/keywords/abstraction","display_name":"Abstraction","score":0.5045815706253052},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.4939044117927551},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.4588066339492798},{"id":"https://openalex.org/keywords/data-flow-diagram","display_name":"Data flow diagram","score":0.44200438261032104},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.4234755039215088},{"id":"https://openalex.org/keywords/black-box","display_name":"Black box","score":0.4160689413547516},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.26433777809143066},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.22764486074447632},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10176914930343628}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7843272686004639},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.643618106842041},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6070131659507751},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.5931448936462402},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5596038103103638},{"id":"https://openalex.org/C2779729104","wikidata":"https://www.wikidata.org/wiki/Q4724013","display_name":"Algebraic semantics","level":3,"score":0.517319917678833},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.5045815706253052},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.4939044117927551},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.4588066339492798},{"id":"https://openalex.org/C489000","wikidata":"https://www.wikidata.org/wiki/Q747385","display_name":"Data flow diagram","level":2,"score":0.44200438261032104},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.4234755039215088},{"id":"https://openalex.org/C94966114","wikidata":"https://www.wikidata.org/wiki/Q29256","display_name":"Black box","level":2,"score":0.4160689413547516},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.26433777809143066},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.22764486074447632},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10176914930343628},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14778/2350229.2350244","is_oa":false,"landing_page_url":"https://doi.org/10.14778/2350229.2350244","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W135863099","https://openalex.org/W153393921","https://openalex.org/W253264081","https://openalex.org/W1491178396","https://openalex.org/W1493893823","https://openalex.org/W1538786304","https://openalex.org/W1575324001","https://openalex.org/W2017855273","https://openalex.org/W2060280513","https://openalex.org/W2060883486","https://openalex.org/W2079806729","https://openalex.org/W2083541728","https://openalex.org/W2098935637","https://openalex.org/W2100830825","https://openalex.org/W2105821863","https://openalex.org/W2110086534","https://openalex.org/W2112485457","https://openalex.org/W2112866468","https://openalex.org/W2119400430","https://openalex.org/W2153180521","https://openalex.org/W2153329411","https://openalex.org/W2153889808","https://openalex.org/W2164399715","https://openalex.org/W2169724035","https://openalex.org/W2173213060","https://openalex.org/W2294316975","https://openalex.org/W2296349066","https://openalex.org/W3098708201","https://openalex.org/W6605485969","https://openalex.org/W6629325410","https://openalex.org/W6632489444","https://openalex.org/W6731383549"],"related_works":["https://openalex.org/W3160136729","https://openalex.org/W1587224678","https://openalex.org/W1484092744","https://openalex.org/W2585545025","https://openalex.org/W343537745","https://openalex.org/W2045216220","https://openalex.org/W1981466053","https://openalex.org/W1502311553","https://openalex.org/W2788308474","https://openalex.org/W2106305471"],"abstract_inverted_index":{"Many":[0],"systems":[1],"for":[2,83,96,116],"big":[3],"data":[4,8,14,35,84,118,174],"analytics":[5],"employ":[6],"a":[7,68,74,176],"flow":[9,36],"abstraction":[10],"to":[11,56,79],"define":[12],"parallel":[13,117],"processing":[15,85],"tasks.":[16],"In":[17,62],"this":[18,39,63],"setting,":[19],"custom":[20],"operations":[21],"expressed":[22],"as":[23,143,160],"user-defined":[24,108],"functions":[25],"are":[26,48],"very":[27],"common.":[28],"We":[29,87,110],"address":[30],"the":[31,44,103,136,169],"problem":[32],"of":[33,41,46,70,106,125,130,152,172],"performing":[34],"optimization":[37,53],"at":[38],"level":[40],"abstraction,":[42],"where":[43],"semantics":[45,126],"operators":[47,99],"not":[49,122],"known.":[50],"Traditionally,":[51],"query":[52],"is":[54],"applied":[55],"queries":[57],"with":[58],"known":[59],"algebraic":[60,76,128],"semantics.":[61],"work,":[64],"we":[65],"find":[66],"that":[67,89,120,135],"handful":[69],"properties,":[71],"rather":[72],"than":[73],"full":[75],"specification,":[77],"suffice":[78],"establish":[80],"reordering":[81],"conditions":[82],"operators.":[86,131],"show":[88],"these":[90],"properties":[91,129],"can":[92,138,167],"be":[93],"accurately":[94],"estimated":[95],"black":[97],"box":[98],"by":[100],"statically":[101],"analyzing":[102],"general-purpose":[104],"code":[105],"their":[107],"functions.":[109],"design":[111],"and":[112,149],"implement":[113],"an":[114],"optimizer":[115,137],"flows":[119],"does":[121],"assume":[123],"knowledge":[124],"or":[127],"Our":[132],"evaluation":[133],"confirms":[134],"apply":[139],"common":[140],"rewritings":[141],"such":[142],"selection":[144],"reordering,":[145],"bushy":[146],"join-order":[147],"enumeration,":[148],"limited":[150],"forms":[151],"aggregation":[153],"push-down,":[154],"hence":[155],"yielding":[156],"similar":[157],"rewriting":[158],"power":[159],"modern":[161],"relational":[162],"DBMS":[163],"optimizers.":[164],"Moreover,":[165],"it":[166],"optimize":[168],"operator":[170],"order":[171],"nonrelational":[173],"flows,":[175],"unique":[177],"feature":[178],"among":[179],"today's":[180],"systems.":[181]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":12},{"year":2015,"cited_by_count":13},{"year":2014,"cited_by_count":13},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
