{"id":"https://openalex.org/W3171610324","doi":"https://doi.org/10.1007/s00778-021-00682-5","title":"A dataspace-based framework for OLAP analyses in a high-variety multistore","display_name":"A dataspace-based framework for OLAP analyses in a high-variety multistore","publication_year":2021,"publication_date":"2021-07-31","ids":{"openalex":"https://openalex.org/W3171610324","doi":"https://doi.org/10.1007/s00778-021-00682-5","mag":"3171610324"},"language":"en","primary_location":{"id":"doi:10.1007/s00778-021-00682-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00778-021-00682-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00778-021-00682-5.pdf","source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s00778-021-00682-5.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085402801","display_name":"Chiara Forresi","orcid":"https://orcid.org/0000-0001-5652-2455"},"institutions":[{"id":"https://openalex.org/I4210136873","display_name":"Azienda-Unita' Sanitaria Locale Di Cesena","ror":"https://ror.org/04kgp1379","country_code":"IT","type":"government","lineage":["https://openalex.org/I4210136873"]},{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Chiara Forresi","raw_affiliation_strings":["University of Bologna, Cesena, Italy"],"raw_orcid":"https://orcid.org/0000-0001-5652-2455","affiliations":[{"raw_affiliation_string":"University of Bologna, Cesena, Italy","institution_ids":["https://openalex.org/I4210136873","https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042827875","display_name":"Enrico Gallinucci","orcid":"https://orcid.org/0000-0002-0931-4255"},"institutions":[{"id":"https://openalex.org/I4210136873","display_name":"Azienda-Unita' Sanitaria Locale Di Cesena","ror":"https://ror.org/04kgp1379","country_code":"IT","type":"government","lineage":["https://openalex.org/I4210136873"]},{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Enrico Gallinucci","raw_affiliation_strings":["University of Bologna, Cesena, Italy"],"raw_orcid":"https://orcid.org/0000-0002-0931-4255","affiliations":[{"raw_affiliation_string":"University of Bologna, Cesena, Italy","institution_ids":["https://openalex.org/I4210136873","https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029448963","display_name":"Matteo Golfarelli","orcid":"https://orcid.org/0000-0002-0437-0725"},"institutions":[{"id":"https://openalex.org/I4210136873","display_name":"Azienda-Unita' Sanitaria Locale Di Cesena","ror":"https://ror.org/04kgp1379","country_code":"IT","type":"government","lineage":["https://openalex.org/I4210136873"]},{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Matteo Golfarelli","raw_affiliation_strings":["University of Bologna, Cesena, Italy"],"raw_orcid":"https://orcid.org/0000-0002-0437-0725","affiliations":[{"raw_affiliation_string":"University of Bologna, Cesena, Italy","institution_ids":["https://openalex.org/I4210136873","https://openalex.org/I9360294"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012589568","display_name":"Hamdi Ben Hamadou","orcid":"https://orcid.org/0000-0002-4140-4584"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Hamdi Ben Hamadou","raw_affiliation_strings":["Aalborg University, Aalborg, Denmark"],"raw_orcid":"https://orcid.org/0000-0002-4140-4584","affiliations":[{"raw_affiliation_string":"Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5085402801"],"corresponding_institution_ids":["https://openalex.org/I4210136873","https://openalex.org/I9360294"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":{"value":2290,"currency":"EUR","value_usd":2890},"fwci":2.0829,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.87355779,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"30","issue":"6","first_page":"1017","last_page":"1040"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9976000189781189,"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/T11719","display_name":"Data Quality and Management","score":0.9933000206947327,"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/nosql","display_name":"NoSQL","score":0.8690457344055176},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8582438230514526},{"id":"https://openalex.org/keywords/online-analytical-processing","display_name":"Online analytical processing","score":0.8232570886611938},{"id":"https://openalex.org/keywords/data-warehouse","display_name":"Data warehouse","score":0.5829761624336243},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.5088727474212646},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.48244911432266235},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.47468873858451843},{"id":"https://openalex.org/keywords/data-cube","display_name":"Data cube","score":0.4639527201652527},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.440693736076355},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.42382246255874634},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.33993953466415405},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.31063640117645264},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.18678057193756104}],"concepts":[{"id":"https://openalex.org/C2779599972","wikidata":"https://www.wikidata.org/wiki/Q82231","display_name":"NoSQL","level":3,"score":0.8690457344055176},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8582438230514526},{"id":"https://openalex.org/C201932085","wikidata":"https://www.wikidata.org/wiki/Q642514","display_name":"Online analytical processing","level":3,"score":0.8232570886611938},{"id":"https://openalex.org/C135572916","wikidata":"https://www.wikidata.org/wiki/Q193351","display_name":"Data warehouse","level":2,"score":0.5829761624336243},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.5088727474212646},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.48244911432266235},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.47468873858451843},{"id":"https://openalex.org/C78168278","wikidata":"https://www.wikidata.org/wiki/Q5227269","display_name":"Data cube","level":2,"score":0.4639527201652527},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.440693736076355},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.42382246255874634},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.33993953466415405},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.31063640117645264},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.18678057193756104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/s00778-021-00682-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00778-021-00682-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00778-021-00682-5.pdf","source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal","raw_type":"journal-article"},{"id":"pmh:oai:cris.unibo.it:11585/835699","is_oa":true,"landing_page_url":"https://link.springer.com/article/10.1007/s00778-021-00682-5","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.atira.dk:openaire/4b273982-b6cd-4388-ab40-fcef2d114bfe","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/4b273982-b6cd-4388-ab40-fcef2d114bfe","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Forresi, C, Gallinucci, E, Golfarelli, M & Ben Hamadou, H 2021, 'A Dataspace-Based Framework for OLAP Analyses in a High-Variety Multistore', VLDB Journal, vol. 30, no. 6, pp. 1017-1040. https://doi.org/10.1007/s00778-021-00682-5","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:pure.atira.dk:publications/4b273982-b6cd-4388-ab40-fcef2d114bfe","is_oa":true,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85111497191&partnerID=8YFLogxK","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"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":"Forresi , C , Gallinucci , E , Golfarelli , M & Ben Hamadou , H 2021 , ' A Dataspace-Based Framework for OLAP Analyses in a High-Variety Multistore ' , VLDB Journal , vol. 30 , no. 6 , pp. 1017-1040 . https://doi.org/10.1007/s00778-021-00682-5","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s00778-021-00682-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00778-021-00682-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00778-021-00682-5.pdf","source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3171610324.pdf","grobid_xml":"https://content.openalex.org/works/W3171610324.grobid-xml"},"referenced_works_count":65,"referenced_works":["https://openalex.org/W57116089","https://openalex.org/W69638526","https://openalex.org/W72855768","https://openalex.org/W97077349","https://openalex.org/W135323631","https://openalex.org/W1488870204","https://openalex.org/W1521148341","https://openalex.org/W1537257884","https://openalex.org/W1551438051","https://openalex.org/W1552169698","https://openalex.org/W1568607665","https://openalex.org/W1934051226","https://openalex.org/W1983953047","https://openalex.org/W1992810975","https://openalex.org/W2002287579","https://openalex.org/W2011716962","https://openalex.org/W2026994445","https://openalex.org/W2038412523","https://openalex.org/W2059268928","https://openalex.org/W2069897123","https://openalex.org/W2079329679","https://openalex.org/W2086747090","https://openalex.org/W2112647999","https://openalex.org/W2124582661","https://openalex.org/W2125775320","https://openalex.org/W2134532199","https://openalex.org/W2144447931","https://openalex.org/W2261489614","https://openalex.org/W2265048516","https://openalex.org/W2290659297","https://openalex.org/W2295240344","https://openalex.org/W2397216586","https://openalex.org/W2400519446","https://openalex.org/W2404159982","https://openalex.org/W2406114359","https://openalex.org/W2408388496","https://openalex.org/W2434390175","https://openalex.org/W2523955029","https://openalex.org/W2604790380","https://openalex.org/W2607033965","https://openalex.org/W2612137975","https://openalex.org/W2612818011","https://openalex.org/W2751338424","https://openalex.org/W2783360436","https://openalex.org/W2791574640","https://openalex.org/W2792397204","https://openalex.org/W2793317603","https://openalex.org/W2793746662","https://openalex.org/W2794473704","https://openalex.org/W2887418847","https://openalex.org/W2911731033","https://openalex.org/W2913041555","https://openalex.org/W2917247870","https://openalex.org/W2942152870","https://openalex.org/W2944056255","https://openalex.org/W2948747806","https://openalex.org/W2969543185","https://openalex.org/W2982334005","https://openalex.org/W2982629221","https://openalex.org/W3003770903","https://openalex.org/W3105473355","https://openalex.org/W3128828942","https://openalex.org/W4291719657","https://openalex.org/W6677220251","https://openalex.org/W6818241335"],"related_works":["https://openalex.org/W4243836966","https://openalex.org/W1561366042","https://openalex.org/W2381646725","https://openalex.org/W1535822977","https://openalex.org/W6138692","https://openalex.org/W1518802638","https://openalex.org/W2026863370","https://openalex.org/W2160457037","https://openalex.org/W4250322578","https://openalex.org/W2092834437"],"abstract_inverted_index":{"Abstract":[0],"The":[1,84,167,198],"success":[2],"of":[3,10,17,21,41,62,163,181],"NoSQL":[4,53],"DBMSs":[5,48],"has":[6,200],"pushed":[7],"the":[8,18,39,60,102,109,112,164,177],"adoption":[9],"polyglot":[11],"storage":[12],"systems":[13],"that":[14],"take":[15,30],"advantage":[16],"best":[19],"characteristics":[20],"different":[22,47],"technologies":[23],"and":[24,73,78,98,135,144,154],"data":[25,63,71,82,99,114,126,146,152],"models.":[26],"While":[27],"operational":[28],"applications":[29,37],"great":[31],"benefit":[32],"from":[33,69],"this":[34,58,118],"choice,":[35],"analytical":[36],"suffer":[38],"absence":[40],"schema":[42,155],"consistency,":[43],"not":[44],"only":[45],"between":[46],"but":[49],"within":[50,128],"a":[51,75,92,129,158,194],"single":[52],"system":[54,199],"as":[55,111],"well.":[56],"In":[57,117],"context,":[59],"discipline":[61],"science":[64],"is":[65,86,104,115],"steering":[66],"analysts":[67],"away":[68],"traditional":[70],"warehousing":[72],"toward":[74],"more":[76],"flexible":[77],"lightweight":[79],"approach":[80,123,139],"to":[81,87,124,172,192],"analysis.":[83],"idea":[85],"perform":[88],"OLAP":[89,184],"analyses":[90],"in":[91,183],"pay-as-you-go":[93],"manner":[94],"across":[95],"heterogeneous":[96,133],"schemas":[97,134],"models,":[100],"where":[101],"integration":[103],"progressively":[105],"carried":[106],"out":[107],"by":[108,148],"user":[110],"available":[113],"explored.":[116],"paper,":[119],"we":[120,169],"propose":[121],"an":[122],"support":[125],"analysis":[127],"high-variety":[130],"multistore,":[131],"with":[132],"overlapping":[136],"records.":[137],"Our":[138],"supports":[140],"relational,":[141],"document,":[142],"wide-column,":[143],"key-value":[145],"models":[147],"automatically":[149],"handling":[150],"both":[151],"model":[153],"heterogeneity":[156],"through":[157],"dataspace":[159],"layer":[160],"on":[161,188,203],"top":[162],"underlying":[165],"DBMSs.":[166],"expressiveness":[168],"enable":[170],"corresponds":[171],"GPSJ":[173],"queries,":[174],"which":[175],"are":[176],"most":[178],"common":[179],"class":[180],"queries":[182],"applications.":[185],"We":[186],"rely":[187],"nested":[189],"relational":[190],"algebra":[191],"define":[193],"cross-database":[195],"execution":[196],"plan.":[197],"been":[201],"prototyped":[202],"Apache":[204],"Spark.":[205]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}