{"id":"https://openalex.org/W2116929168","doi":"https://doi.org/10.1145/1376916.1376937","title":"Data exchange and schema mappings in open and closed worlds","display_name":"Data exchange and schema mappings in open and closed worlds","publication_year":2008,"publication_date":"2008-06-09","ids":{"openalex":"https://openalex.org/W2116929168","doi":"https://doi.org/10.1145/1376916.1376937","mag":"2116929168"},"language":"en","primary_location":{"id":"doi:10.1145/1376916.1376937","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1376916.1376937","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/A5069883356","display_name":"Leonid Libkin","orcid":"https://orcid.org/0000-0002-6698-2735"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Leonid Libkin","raw_affiliation_strings":["University of Edinburgh, Edinburgh, United Kngdm"],"affiliations":[{"raw_affiliation_string":"University of Edinburgh, Edinburgh, United Kngdm","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060233663","display_name":"Cristina Sirangelo","orcid":"https://orcid.org/0000-0003-2559-512X"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Cristina Sirangelo","raw_affiliation_strings":["University of Edinburgh, Edinburgh, United Kngdm"],"affiliations":[{"raw_affiliation_string":"University of Edinburgh, Edinburgh, United Kngdm","institution_ids":["https://openalex.org/I98677209"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5069883356"],"corresponding_institution_ids":["https://openalex.org/I98677209"],"apc_list":null,"apc_paid":null,"fwci":14.8733,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.98900926,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"78","issue":null,"first_page":"139","last_page":"148"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9994000196456909,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9990000128746033,"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/T11719","display_name":"Data Quality and Management","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.7699499726295471},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7485535740852356},{"id":"https://openalex.org/keywords/data-exchange","display_name":"Data exchange","score":0.575228750705719},{"id":"https://openalex.org/keywords/possible-world","display_name":"Possible world","score":0.5653205513954163},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.518993079662323},{"id":"https://openalex.org/keywords/expressivity","display_name":"Expressivity","score":0.4439695477485657},{"id":"https://openalex.org/keywords/real-world-data","display_name":"Real world data","score":0.41062265634536743},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4076230525970459},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3440178632736206},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.33923888206481934},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20357686281204224},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.1287209391593933}],"concepts":[{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.7699499726295471},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7485535740852356},{"id":"https://openalex.org/C15845906","wikidata":"https://www.wikidata.org/wiki/Q1172338","display_name":"Data exchange","level":2,"score":0.575228750705719},{"id":"https://openalex.org/C136172866","wikidata":"https://www.wikidata.org/wiki/Q1088088","display_name":"Possible world","level":2,"score":0.5653205513954163},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.518993079662323},{"id":"https://openalex.org/C92811239","wikidata":"https://www.wikidata.org/wiki/Q20998670","display_name":"Expressivity","level":2,"score":0.4439695477485657},{"id":"https://openalex.org/C3020493868","wikidata":"https://www.wikidata.org/wiki/Q55631277","display_name":"Real world data","level":2,"score":0.41062265634536743},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4076230525970459},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3440178632736206},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.33923888206481934},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20357686281204224},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.1287209391593933},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1376916.1376937","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1376916.1376937","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1003392328","display_name":null,"funder_award_id":"EP/E005039/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1560604137","https://openalex.org/W1590628344","https://openalex.org/W1968327952","https://openalex.org/W1969053136","https://openalex.org/W1990391007","https://openalex.org/W1992673035","https://openalex.org/W1994193726","https://openalex.org/W2003017562","https://openalex.org/W2007091370","https://openalex.org/W2020228538","https://openalex.org/W2023757326","https://openalex.org/W2024796520","https://openalex.org/W2045566234","https://openalex.org/W2050171146","https://openalex.org/W2072881356","https://openalex.org/W2090958287","https://openalex.org/W2098213459","https://openalex.org/W2102729564","https://openalex.org/W2127753549","https://openalex.org/W2130133338","https://openalex.org/W2142864156","https://openalex.org/W2155419928","https://openalex.org/W2159686758","https://openalex.org/W2159793945","https://openalex.org/W2160983447","https://openalex.org/W2162294668","https://openalex.org/W2163009148","https://openalex.org/W2165864074","https://openalex.org/W2169602474","https://openalex.org/W2997050146","https://openalex.org/W6652205989","https://openalex.org/W6675925439"],"related_works":["https://openalex.org/W2048138016","https://openalex.org/W2408998960","https://openalex.org/W4285275252","https://openalex.org/W2739995301","https://openalex.org/W2144961711","https://openalex.org/W1460228849","https://openalex.org/W1009333140","https://openalex.org/W2120436863","https://openalex.org/W4233495035","https://openalex.org/W2018828675"],"abstract_inverted_index":{"In":[0],"the":[1,33,36,49,53,58,83,87,91],"study":[2],"of":[3,18,41,48,60,74,86,94],"data":[4,29],"exchange":[5],"one":[6,69],"usually":[7],"assumes":[8],"an":[9],"open-world":[10,54,88],"semantics,":[11,55],"making":[12],"it":[13],"possible":[14],"to":[15,35,38,81],"extend":[16],"instances":[17],"target":[19,37,75],"schemas.":[20],"An":[21],"alternative":[22],"closed-world":[23],"semantics":[24,89],"only":[25],"moves":[26],"'as":[27],"much":[28],"as":[30,77],"needed'":[31],"from":[32],"source":[34],"satisfy":[39],"constraints":[40],"a":[42,66],"schema":[43,61],"mapping.":[44],"It":[45],"avoids":[46],"some":[47],"problems":[50],"exhibited":[51],"by":[52],"but":[56],"limits":[57],"expressivity":[59,85],"mappings.":[62],"Here":[63],"we":[64],"propose":[65],"mixed":[67],"approach:":[68],"can":[70],"designate":[71],"different":[72],"attributes":[73],"schemas":[76],"open":[78],"or":[79],"closed,":[80],"combine":[82],"additional":[84],"with":[90],"better":[92],"behavior":[93],"query":[95],"answering":[96],"in":[97],"closed":[98],"worlds.":[99]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}