{"id":"https://openalex.org/W2110367171","doi":"https://doi.org/10.1145/1807085.1807118","title":"Simplifying XML schema","display_name":"Simplifying XML schema","publication_year":2010,"publication_date":"2010-06-06","ids":{"openalex":"https://openalex.org/W2110367171","doi":"https://doi.org/10.1145/1807085.1807118","mag":"2110367171"},"language":"en","primary_location":{"id":"doi:10.1145/1807085.1807118","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1807085.1807118","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-ninth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/1942/11613","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089107114","display_name":"Wouter Gelade","orcid":null},"institutions":[{"id":"https://openalex.org/I878454856","display_name":"Hasselt University","ror":"https://ror.org/04nbhqj75","country_code":"BE","type":"education","lineage":["https://openalex.org/I878454856"]},{"id":"https://openalex.org/I4210127597","display_name":"Transnational University Limburg","ror":"https://ror.org/02xyaf767","country_code":"BE","type":"education","lineage":["https://openalex.org/I4210127597"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Wouter Gelade","raw_affiliation_strings":["Hasselt University and Transnational University of Limburg, Hasselt, Belgium"],"affiliations":[{"raw_affiliation_string":"Hasselt University and Transnational University of Limburg, Hasselt, Belgium","institution_ids":["https://openalex.org/I4210127597","https://openalex.org/I878454856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000261723","display_name":"Tomasz Idziaszek","orcid":null},"institutions":[{"id":"https://openalex.org/I4654613","display_name":"University of Warsaw","ror":"https://ror.org/039bjqg32","country_code":"PL","type":"education","lineage":["https://openalex.org/I4654613"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Tomasz Idziaszek","raw_affiliation_strings":["University of Warsaw, Warsaw, Poland"],"affiliations":[{"raw_affiliation_string":"University of Warsaw, Warsaw, Poland","institution_ids":["https://openalex.org/I4654613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016412428","display_name":"Wim Martens","orcid":"https://orcid.org/0000-0001-9480-3522"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wim Martens","raw_affiliation_strings":["Technical University of Dortmund, Dortmund, Germany"],"affiliations":[{"raw_affiliation_string":"Technical University of Dortmund, Dortmund, Germany","institution_ids":["https://openalex.org/I200332995"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022264843","display_name":"Frank Neven","orcid":"https://orcid.org/0000-0002-7143-1903"},"institutions":[{"id":"https://openalex.org/I4210127597","display_name":"Transnational University Limburg","ror":"https://ror.org/02xyaf767","country_code":"BE","type":"education","lineage":["https://openalex.org/I4210127597"]},{"id":"https://openalex.org/I878454856","display_name":"Hasselt University","ror":"https://ror.org/04nbhqj75","country_code":"BE","type":"education","lineage":["https://openalex.org/I878454856"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Frank Neven","raw_affiliation_strings":["Hasselt University and Transnational University of Limburg, Hasselt, Belgium"],"affiliations":[{"raw_affiliation_string":"Hasselt University and Transnational University of Limburg, Hasselt, Belgium","institution_ids":["https://openalex.org/I4210127597","https://openalex.org/I878454856"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5089107114"],"corresponding_institution_ids":["https://openalex.org/I4210127597","https://openalex.org/I878454856"],"apc_list":null,"apc_paid":null,"fwci":5.5958,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.95731229,"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":"251","last_page":"260"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9980000257492065,"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":0.9980000257492065,"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":0.9969000220298767,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9897000193595886,"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/relax-ng","display_name":"RELAX NG","score":0.7910670638084412},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7657586336135864},{"id":"https://openalex.org/keywords/xml","display_name":"XML","score":0.6466363072395325},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.6050568222999573},{"id":"https://openalex.org/keywords/xml-schema-editor","display_name":"XML Schema Editor","score":0.6007603406906128},{"id":"https://openalex.org/keywords/document-structure-description","display_name":"Document Structure Description","score":0.5593873262405396},{"id":"https://openalex.org/keywords/tree-automaton","display_name":"Tree automaton","score":0.5460401773452759},{"id":"https://openalex.org/keywords/xml-validation","display_name":"XML validation","score":0.5109416842460632},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.505111038684845},{"id":"https://openalex.org/keywords/xml-schema","display_name":"XML Schema (W3C)","score":0.4891369640827179},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44319865107536316},{"id":"https://openalex.org/keywords/document-type-definition","display_name":"Document type definition","score":0.4217127561569214},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.1901746690273285},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.10898196697235107},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.09468355774879456}],"concepts":[{"id":"https://openalex.org/C44540991","wikidata":"https://www.wikidata.org/wiki/Q1314117","display_name":"RELAX NG","level":5,"score":0.7910670638084412},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7657586336135864},{"id":"https://openalex.org/C8797682","wikidata":"https://www.wikidata.org/wiki/Q2115","display_name":"XML","level":2,"score":0.6466363072395325},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.6050568222999573},{"id":"https://openalex.org/C34716815","wikidata":"https://www.wikidata.org/wiki/Q8042322","display_name":"XML Schema Editor","level":3,"score":0.6007603406906128},{"id":"https://openalex.org/C68699486","wikidata":"https://www.wikidata.org/wiki/Q265904","display_name":"Document Structure Description","level":3,"score":0.5593873262405396},{"id":"https://openalex.org/C2778583254","wikidata":"https://www.wikidata.org/wiki/Q2872598","display_name":"Tree automaton","level":3,"score":0.5460401773452759},{"id":"https://openalex.org/C55348073","wikidata":"https://www.wikidata.org/wiki/Q595926","display_name":"XML validation","level":3,"score":0.5109416842460632},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.505111038684845},{"id":"https://openalex.org/C40713593","wikidata":"https://www.wikidata.org/wiki/Q16342","display_name":"XML Schema (W3C)","level":5,"score":0.4891369640827179},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44319865107536316},{"id":"https://openalex.org/C84314905","wikidata":"https://www.wikidata.org/wiki/Q212327","display_name":"Document type definition","level":4,"score":0.4217127561569214},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.1901746690273285},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.10898196697235107},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.09468355774879456}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1807085.1807118","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1807085.1807118","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-ninth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems","raw_type":"proceedings-article"},{"id":"pmh:oai:documentserver.uhasselt.be:1942/11613","is_oa":true,"landing_page_url":"http://hdl.handle.net/1942/11613","pdf_url":null,"source":{"id":"https://openalex.org/S4306401926","display_name":"Document Server@UHasselt (UHasselt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I878454856","host_organization_name":"Hasselt University","host_organization_lineage":["https://openalex.org/I878454856"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:documentserver.uhasselt.be:1942/11613","is_oa":true,"landing_page_url":"http://hdl.handle.net/1942/11613","pdf_url":null,"source":{"id":"https://openalex.org/S4306401926","display_name":"Document Server@UHasselt (UHasselt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I878454856","host_organization_name":"Hasselt University","host_organization_lineage":["https://openalex.org/I878454856"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.7599999904632568}],"awards":[{"id":"https://openalex.org/G2482950395","display_name":null,"funder_award_id":"233599","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G2584393935","display_name":null,"funder_award_id":"FP7-ICT-233599","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G3981126665","display_name":null,"funder_award_id":"Seventh Framework Programme","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G5483342299","display_name":null,"funder_award_id":"FP7-ICT","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321730","display_name":"Fonds Wetenschappelijk Onderzoek","ror":"https://ror.org/03qtxy027"},{"id":"https://openalex.org/F4320327336","display_name":"Vlaamse regering","ror":null},{"id":"https://openalex.org/F4320327917","display_name":"Stiftung Mercator","ror":"https://ror.org/00q6ynx29"},{"id":"https://openalex.org/F4320338370","display_name":"FP7 Information and Communication Technologies","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1542184482","https://openalex.org/W1578974586","https://openalex.org/W1593799327","https://openalex.org/W1990483472","https://openalex.org/W1998084650","https://openalex.org/W2002089154","https://openalex.org/W2019789808","https://openalex.org/W2038925304","https://openalex.org/W2051736015","https://openalex.org/W2052869864","https://openalex.org/W2057841333","https://openalex.org/W2082135413","https://openalex.org/W2105748890","https://openalex.org/W2109486375","https://openalex.org/W2123229843","https://openalex.org/W2125822162","https://openalex.org/W2129828874","https://openalex.org/W2134781086","https://openalex.org/W2137580272","https://openalex.org/W2142529424","https://openalex.org/W2169116953","https://openalex.org/W2292993340","https://openalex.org/W2500135585","https://openalex.org/W2913236170","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2352672621","https://openalex.org/W1592776645","https://openalex.org/W2102900423","https://openalex.org/W3022924207","https://openalex.org/W2482975607","https://openalex.org/W1579700978","https://openalex.org/W2153529441","https://openalex.org/W1501264070","https://openalex.org/W2105748890","https://openalex.org/W1563174341"],"abstract_inverted_index":{"XML":[0],"Schema":[1],"Definitions":[2],"(XSDs)":[3],"can":[4,73],"be":[5,74],"adequately":[6],"abstracted":[7],"by":[8,108],"the":[9,24,41,66,77,95,113],"single-type":[10,80],"regular":[11,28,81,105],"tree":[12,30,82,106],"languages.":[13,31,83],"It":[14],"is":[15,62],"well-known,":[16],"that":[17],"these":[18],"form":[19],"a":[20],"strict":[21],"subclass":[22],"of":[23,27,44,59,70,79,99,115],"robust":[25],"class":[26],"unranked":[29],"Sadly,":[32],"in":[33,52],"this":[34,60],"respect,":[35],"XSDs":[36,72],"are":[37],"not":[38],"closed":[39],"under":[40],"basic":[42],"operations":[43],"union":[45,67],"and":[46,55,68,89,111],"set":[47],"difference,":[48],"complicating":[49],"important":[50],"tasks":[51],"schema":[53],"integration":[54],"evolution.":[56],"The":[57],"purpose":[58],"paper":[61],"to":[63,101],"investigate":[64],"how":[65,100],"difference":[69],"two":[71],"approximated":[75],"within":[76],"framework":[78],"We":[84,92],"consider":[85,112],"both":[86],"optimal":[87],"lower":[88],"upper":[90],"approximations.":[91],"also":[93],"address":[94],"more":[96],"general":[97],"question":[98],"approximate":[102],"an":[103,109],"arbitrary":[104],"language":[107],"XSD":[110],"complexity":[114],"associated":[116],"decision":[117],"problems.":[118]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2016-06-24T00:00:00"}
