{"id":"https://openalex.org/W3198754919","doi":"https://doi.org/10.14778/3476311.3476314","title":"MultiCategory","display_name":"MultiCategory","publication_year":2021,"publication_date":"2021-07-01","ids":{"openalex":"https://openalex.org/W3198754919","doi":"https://doi.org/10.14778/3476311.3476314","mag":"3198754919"},"language":"en","primary_location":{"id":"doi:10.14778/3476311.3476314","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3476311.3476314","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/A5026910905","display_name":"Valter Uotila","orcid":"https://orcid.org/0000-0001-8201-397X"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Valter Uotila","raw_affiliation_strings":["University of Helsinki"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Helsinki","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018627557","display_name":"Jiaheng Lu","orcid":"https://orcid.org/0000-0003-2067-454X"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jiaheng Lu","raw_affiliation_strings":["University of Helsinki"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Helsinki","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007788082","display_name":"Dieter Gawlick","orcid":"https://orcid.org/0000-0002-7882-0565"},"institutions":[{"id":"https://openalex.org/I1342911587","display_name":"Oracle (United States)","ror":"https://ror.org/006c77m33","country_code":"US","type":"company","lineage":["https://openalex.org/I1342911587"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dieter Gawlick","raw_affiliation_strings":["Oracle Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oracle Corporation","institution_ids":["https://openalex.org/I1342911587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111489764","display_name":"Zhen Hua Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I1342911587","display_name":"Oracle (United States)","ror":"https://ror.org/006c77m33","country_code":"US","type":"company","lineage":["https://openalex.org/I1342911587"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhen Hua Liu","raw_affiliation_strings":["Oracle Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oracle Corporation","institution_ids":["https://openalex.org/I1342911587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101134579","display_name":"Souripriya Das","orcid":null},"institutions":[{"id":"https://openalex.org/I1342911587","display_name":"Oracle (United States)","ror":"https://ror.org/006c77m33","country_code":"US","type":"company","lineage":["https://openalex.org/I1342911587"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Souripriya Das","raw_affiliation_strings":["Oracle Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oracle Corporation","institution_ids":["https://openalex.org/I1342911587"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033780892","display_name":"Gregory Pogossiants","orcid":null},"institutions":[{"id":"https://openalex.org/I4210142445","display_name":"SA Technologies (United States)","ror":"https://ror.org/046qmva50","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gregory Pogossiants","raw_affiliation_strings":["SATS Technologies"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SATS Technologies","institution_ids":["https://openalex.org/I4210142445"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6077,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.69996857,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"14","issue":"12","first_page":"2663","last_page":"2666"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9995999932289124,"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":0.9995999932289124,"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/T11106","display_name":"Data Management and Algorithms","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.9991000294685364,"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/computer-science","display_name":"Computer science","score":0.8174465894699097},{"id":"https://openalex.org/keywords/haskell","display_name":"Haskell","score":0.7328366637229919},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.6833969950675964},{"id":"https://openalex.org/keywords/category-theory","display_name":"Category theory","score":0.5720829367637634},{"id":"https://openalex.org/keywords/xml","display_name":"XML","score":0.5375108122825623},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.5014376640319824},{"id":"https://openalex.org/keywords/semi-structured-model","display_name":"Semi-structured model","score":0.4468136429786682},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.4391116499900818},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.4283992052078247},{"id":"https://openalex.org/keywords/functional-programming","display_name":"Functional programming","score":0.4013163447380066},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3913082778453827},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.39076846837997437},{"id":"https://openalex.org/keywords/document-structure-description","display_name":"Document Structure Description","score":0.3423261046409607},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.3133588433265686},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2285057008266449},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.12861734628677368},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10208544135093689}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8174465894699097},{"id":"https://openalex.org/C2780624054","wikidata":"https://www.wikidata.org/wiki/Q34010","display_name":"Haskell","level":3,"score":0.7328366637229919},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.6833969950675964},{"id":"https://openalex.org/C54884031","wikidata":"https://www.wikidata.org/wiki/Q217413","display_name":"Category theory","level":2,"score":0.5720829367637634},{"id":"https://openalex.org/C8797682","wikidata":"https://www.wikidata.org/wiki/Q2115","display_name":"XML","level":2,"score":0.5375108122825623},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.5014376640319824},{"id":"https://openalex.org/C56310702","wikidata":"https://www.wikidata.org/wiki/Q2269281","display_name":"Semi-structured model","level":4,"score":0.4468136429786682},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.4391116499900818},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.4283992052078247},{"id":"https://openalex.org/C42383842","wikidata":"https://www.wikidata.org/wiki/Q193076","display_name":"Functional programming","level":2,"score":0.4013163447380066},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3913082778453827},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.39076846837997437},{"id":"https://openalex.org/C68699486","wikidata":"https://www.wikidata.org/wiki/Q265904","display_name":"Document Structure Description","level":3,"score":0.3423261046409607},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.3133588433265686},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2285057008266449},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.12861734628677368},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10208544135093689},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14778/3476311.3476314","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3476311.3476314","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":9,"referenced_works":["https://openalex.org/W1620763508","https://openalex.org/W1662456638","https://openalex.org/W2120713972","https://openalex.org/W2751199924","https://openalex.org/W2917947446","https://openalex.org/W2951469116","https://openalex.org/W2953028579","https://openalex.org/W3004448853","https://openalex.org/W4243105236"],"related_works":["https://openalex.org/W2112263414","https://openalex.org/W3004782279","https://openalex.org/W1602185604","https://openalex.org/W2028779182","https://openalex.org/W4242678340","https://openalex.org/W2140654465","https://openalex.org/W2129253059","https://openalex.org/W4296274916","https://openalex.org/W1504459189","https://openalex.org/W1755575651"],"abstract_inverted_index":{"The":[0,16],"variety":[1,161],"of":[2,6,13,106,121,140,162],"data":[3,17,43,141],"is":[4,78],"one":[5],"the":[7,11,126,134,143,151,156,175,181],"important":[8],"issues":[9],"in":[10,21],"era":[12],"Big":[14],"Data.":[15],"are":[18],"naturally":[19],"organized":[20],"different":[22,104,138],"formats":[23],"and":[24,31,48,73,98,112,167],"models,":[25],"including":[26,108],"structured":[27],"data,":[28,30,107],"semi-structured":[29],"unstructured":[32],"data.":[33,114],"Prior":[34],"research":[35],"has":[36],"envisioned":[37],"an":[38,49,99],"approach":[39],"to":[40,84,93,148,165,174],"abstract":[41],"multi-model":[42,67],"with":[44,137,172,185],"a":[45,61,86,95,118,160],"schema":[46,96,176],"category":[47,51,54,71,97,101,152],"instance":[50,100],"by":[52,102,124],"using":[53,125],"theory.":[55],"In":[56],"this":[57],"paper,":[58],"we":[59,90,116,132,158],"demonstrate":[60],"system,":[62],"called":[63],"MultiCategory,":[64],"which":[65],"processes":[66],"queries":[68,169],"based":[69],"on":[70],"theory":[72],"functional":[74,127],"programming.":[75],"This":[76],"demo":[77,133],"centered":[79],"around":[80],"four":[81],"main":[82],"scenarios":[83],"show":[85,91,117],"tangible":[87],"system.":[88],"First,":[89],"how":[92],"build":[94],"loading":[103],"models":[105,139],"relational,":[109],"XML,":[110],"key-value,":[111],"graph":[113],"Second,":[115],"few":[119],"examples":[120],"query":[122,182],"processing":[123,183],"programming":[128],"language":[129],"Haskell.":[130,186],"Third,":[131],"flexible":[135],"outputs":[136],"for":[142],"same":[144],"input":[145],"query.":[146],"Fourth,":[147],"better":[149],"understand":[150],"theoretical":[153],"structure":[154],"behind":[155],"queries,":[157],"offer":[159],"graphical":[163],"hooks":[164],"explore":[166],"visualize":[168],"as":[170,178,180],"graphs":[171],"respect":[173],"category,":[177],"well":[179],"procedure":[184]},"counts_by_year":[{"year":2023,"cited_by_count":4}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2021-09-13T00:00:00"}