{"id":"https://openalex.org/W2137208394","doi":"https://doi.org/10.1145/1376916.1376922","title":"Towards a theory of schema-mapping optimization","display_name":"Towards a theory of schema-mapping optimization","publication_year":2008,"publication_date":"2008-06-09","ids":{"openalex":"https://openalex.org/W2137208394","doi":"https://doi.org/10.1145/1376916.1376922","mag":"2137208394"},"language":"en","primary_location":{"id":"doi:10.1145/1376916.1376922","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1376916.1376922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-seventh ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","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/A5027117465","display_name":"Ronald Fagin","orcid":"https://orcid.org/0000-0002-7374-0347"},"institutions":[{"id":"https://openalex.org/I4210085935","display_name":"IBM Research - Almaden","ror":"https://ror.org/005w8dd04","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210085935","https://openalex.org/I4210114115"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ronald Fagin","raw_affiliation_strings":["IBM Almaden Research Center, San Jose, CA, USA"],"affiliations":[{"raw_affiliation_string":"IBM Almaden Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I4210085935"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041825861","display_name":"Phokion G. Kolaitis","orcid":"https://orcid.org/0000-0002-8407-8563"},"institutions":[{"id":"https://openalex.org/I4210085935","display_name":"IBM Research - Almaden","ror":"https://ror.org/005w8dd04","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210085935","https://openalex.org/I4210114115"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Phokion G. Kolaitis","raw_affiliation_strings":["IBM Almaden Research Center, San Jose, CA, USA"],"affiliations":[{"raw_affiliation_string":"IBM Almaden Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I4210085935"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005196571","display_name":"Alan Nash","orcid":null},"institutions":[{"id":"https://openalex.org/I4210085935","display_name":"IBM Research - Almaden","ror":"https://ror.org/005w8dd04","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210085935","https://openalex.org/I4210114115"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alan Nash","raw_affiliation_strings":["IBM Almaden Research Center, San Jose, CA, USA"],"affiliations":[{"raw_affiliation_string":"IBM Almaden Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I4210085935"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105463891","display_name":"Lucian Popa","orcid":null},"institutions":[{"id":"https://openalex.org/I4210085935","display_name":"IBM Research - Almaden","ror":"https://ror.org/005w8dd04","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210085935","https://openalex.org/I4210114115"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lucian Popa","raw_affiliation_strings":["IBM Almaden Research Center, San Jose, CA, USA"],"affiliations":[{"raw_affiliation_string":"IBM Almaden Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I4210085935"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5027117465"],"corresponding_institution_ids":["https://openalex.org/I4210085935"],"apc_list":null,"apc_paid":null,"fwci":12.5799,"has_fulltext":false,"cited_by_count":81,"citation_normalized_percentile":{"value":0.9879938,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"33","last_page":"42"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9991999864578247,"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"}},"topics":[{"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.989799976348877,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/schema-migration","display_name":"Schema migration","score":0.7647725343704224},{"id":"https://openalex.org/keywords/conceptual-schema","display_name":"Conceptual schema","score":0.7632859945297241},{"id":"https://openalex.org/keywords/star-schema","display_name":"Star schema","score":0.7475177049636841},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.7455945014953613},{"id":"https://openalex.org/keywords/database-schema","display_name":"Database schema","score":0.6909365653991699},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.687731146812439},{"id":"https://openalex.org/keywords/semi-structured-model","display_name":"Semi-structured model","score":0.6261782050132751},{"id":"https://openalex.org/keywords/data-exchange","display_name":"Data exchange","score":0.6113923788070679},{"id":"https://openalex.org/keywords/schema-evolution","display_name":"Schema evolution","score":0.5747448801994324},{"id":"https://openalex.org/keywords/information-schema","display_name":"Information schema","score":0.5730401277542114},{"id":"https://openalex.org/keywords/data-integration","display_name":"Data integration","score":0.4969365894794464},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3645709753036499},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.31761518120765686},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.26259225606918335},{"id":"https://openalex.org/keywords/gender-schema-theory","display_name":"Gender schema theory","score":0.18844300508499146},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.12407690286636353},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07117503881454468}],"concepts":[{"id":"https://openalex.org/C153440673","wikidata":"https://www.wikidata.org/wiki/Q7431119","display_name":"Schema migration","level":5,"score":0.7647725343704224},{"id":"https://openalex.org/C29275276","wikidata":"https://www.wikidata.org/wiki/Q2268965","display_name":"Conceptual schema","level":3,"score":0.7632859945297241},{"id":"https://openalex.org/C190703929","wikidata":"https://www.wikidata.org/wiki/Q1331138","display_name":"Star schema","level":4,"score":0.7475177049636841},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.7455945014953613},{"id":"https://openalex.org/C30775581","wikidata":"https://www.wikidata.org/wiki/Q632285","display_name":"Database schema","level":3,"score":0.6909365653991699},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.687731146812439},{"id":"https://openalex.org/C56310702","wikidata":"https://www.wikidata.org/wiki/Q2269281","display_name":"Semi-structured model","level":4,"score":0.6261782050132751},{"id":"https://openalex.org/C15845906","wikidata":"https://www.wikidata.org/wiki/Q1172338","display_name":"Data exchange","level":2,"score":0.6113923788070679},{"id":"https://openalex.org/C2780660560","wikidata":"https://www.wikidata.org/wiki/Q3951893","display_name":"Schema evolution","level":4,"score":0.5747448801994324},{"id":"https://openalex.org/C150012506","wikidata":"https://www.wikidata.org/wiki/Q6031185","display_name":"Information schema","level":5,"score":0.5730401277542114},{"id":"https://openalex.org/C72634772","wikidata":"https://www.wikidata.org/wiki/Q386824","display_name":"Data integration","level":2,"score":0.4969365894794464},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3645709753036499},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.31761518120765686},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.26259225606918335},{"id":"https://openalex.org/C165611974","wikidata":"https://www.wikidata.org/wiki/Q5531015","display_name":"Gender schema theory","level":2,"score":0.18844300508499146},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.12407690286636353},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07117503881454468},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1376916.1376922","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1376916.1376922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-seventh ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.140.6171","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.140.6171","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.almaden.ibm.com/cs/people/fagin/pods08a.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":28,"referenced_works":["https://openalex.org/W49766897","https://openalex.org/W101493532","https://openalex.org/W1515520450","https://openalex.org/W1558832481","https://openalex.org/W1560604137","https://openalex.org/W1969053136","https://openalex.org/W1992673035","https://openalex.org/W2007628496","https://openalex.org/W2020228538","https://openalex.org/W2024796520","https://openalex.org/W2031810891","https://openalex.org/W2056660085","https://openalex.org/W2057069578","https://openalex.org/W2061712899","https://openalex.org/W2076108709","https://openalex.org/W2077449561","https://openalex.org/W2081973669","https://openalex.org/W2090958287","https://openalex.org/W2102729564","https://openalex.org/W2106039833","https://openalex.org/W2125822162","https://openalex.org/W2140957972","https://openalex.org/W2159668267","https://openalex.org/W2159686758","https://openalex.org/W2159793945","https://openalex.org/W2169602474","https://openalex.org/W2911392070","https://openalex.org/W2997050146"],"related_works":["https://openalex.org/W166845585","https://openalex.org/W2103472145","https://openalex.org/W1513459549","https://openalex.org/W2105315220","https://openalex.org/W2137027610","https://openalex.org/W2153512431","https://openalex.org/W1591654213","https://openalex.org/W1512552654","https://openalex.org/W2801323518","https://openalex.org/W2148067883"],"abstract_inverted_index":{"A":[0],"schema":[1,16,36,51],"mapping":[2],"is":[3],"a":[4],"high-level":[5],"specification":[6],"that":[7],"describes":[8],"the":[9,19,33,59],"relationship":[10],"between":[11],"two":[12],"database":[13],"schemas.":[14],"As":[15],"mappings":[17,37,52],"constitute":[18],"essential":[20],"building":[21],"blocks":[22],"of":[23,32,35,50,61],"data":[24,27],"exchange":[25],"and":[26],"integration,":[28],"an":[29],"extensive":[30],"investigation":[31],"foundations":[34],"has":[38],"been":[39,54],"carried":[40],"out":[41],"in":[42,56],"recent":[43],"years.":[44],"Even":[45],"though":[46],"several":[47],"different":[48],"aspects":[49],"have":[53],"explored":[55],"considerable":[57],"depth,":[58],"study":[60],"schema-mapping":[62],"optimization":[63],"remains":[64],"largely":[65],"uncharted":[66],"territory":[67],"to":[68],"date.":[69]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":10}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}