{"id":"https://openalex.org/W3008048312","doi":"https://doi.org/10.1109/bigdata47090.2019.9006121","title":"The OTree: Multidimensional Indexing with efficient data Sampling for HPC","display_name":"The OTree: Multidimensional Indexing with efficient data Sampling for HPC","publication_year":2019,"publication_date":"2019-12-01","ids":{"openalex":"https://openalex.org/W3008048312","doi":"https://doi.org/10.1109/bigdata47090.2019.9006121","mag":"3008048312"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata47090.2019.9006121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata47090.2019.9006121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/180358","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007547985","display_name":"Cesare Cugnasco","orcid":"https://orcid.org/0000-0003-4307-0415"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Cesare Cugnasco","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000327144","display_name":"Hadrien Calmet","orcid":"https://orcid.org/0000-0001-5443-761X"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Hadrien Calmet","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025451686","display_name":"Pol Santamaria","orcid":null},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pol Santamaria","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059920750","display_name":"Ra\u00fcl Sirvent","orcid":"https://orcid.org/0000-0003-0606-2512"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Raul Sirvent","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008110456","display_name":"Ane Beatriz Eguzkitza","orcid":null},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ane Beatriz Eguzkitza","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091220760","display_name":"Guillaume Houzeaux","orcid":"https://orcid.org/0000-0002-2592-1426"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Guillaume Houzeaux","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008248849","display_name":"Yolanda Becerra","orcid":"https://orcid.org/0000-0003-2357-7796"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Yolanda Becerra","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039375454","display_name":"Jordi Torres","orcid":"https://orcid.org/0000-0003-1963-7418"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jordi Torres","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035035680","display_name":"Jes\u00fas Labarta","orcid":"https://orcid.org/0000-0002-7489-4727"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jesus Labarta","raw_affiliation_strings":["Barcelona Supercomputing Center"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5007547985"],"corresponding_institution_ids":["https://openalex.org/I2799803557","https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":0.167,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.49348832,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"433","last_page":"440"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9997000098228455,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9976999759674072,"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/T12761","display_name":"Data Stream Mining Techniques","score":0.9970999956130981,"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":0.8693809509277344},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7599204778671265},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.7186919450759888},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6558969020843506},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.6330326199531555},{"id":"https://openalex.org/keywords/petabyte","display_name":"Petabyte","score":0.5548475980758667},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5424609184265137},{"id":"https://openalex.org/keywords/analytics","display_name":"Analytics","score":0.4894973039627075},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.43210506439208984},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.41992461681365967},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.41204535961151123},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.38755157589912415},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.35912707448005676},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.2796177268028259},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.15568408370018005}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8693809509277344},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7599204778671265},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7186919450759888},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6558969020843506},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.6330326199531555},{"id":"https://openalex.org/C13600138","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Petabyte","level":3,"score":0.5548475980758667},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5424609184265137},{"id":"https://openalex.org/C79158427","wikidata":"https://www.wikidata.org/wiki/Q485396","display_name":"Analytics","level":2,"score":0.4894973039627075},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.43210506439208984},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.41992461681365967},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.41204535961151123},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.38755157589912415},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.35912707448005676},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2796177268028259},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.15568408370018005},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/bigdata47090.2019.9006121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata47090.2019.9006121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/180358","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/180358","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"},{"id":"pmh:oai:zenodo.org:3872783","is_oa":true,"landing_page_url":"https://zenodo.org/record/3872783","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/180358","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/180358","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1210577963","display_name":null,"funder_award_id":"017-SGR-1414","funder_id":"https://openalex.org/F4320321505","funder_display_name":"Generalitat de Catalunya"},{"id":"https://openalex.org/G1272314236","display_name":null,"funder_award_id":"2017-SGR-14","funder_id":"https://openalex.org/F4320321505","funder_display_name":"Generalitat de Catalunya"},{"id":"https://openalex.org/G3222096693","display_name":null,"funder_award_id":"TIN2015-65316-P","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G3810062594","display_name":null,"funder_award_id":"TIN2015-65316","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G3950515783","display_name":null,"funder_award_id":"780787","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G398560324","display_name":null,"funder_award_id":"720270","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4786115336","display_name":null,"funder_award_id":"-SGR-","funder_id":"https://openalex.org/F4320321505","funder_display_name":"Generalitat de Catalunya"},{"id":"https://openalex.org/G5766349579","display_name":null,"funder_award_id":"785907","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G599583229","display_name":null,"funder_award_id":"TIN2015-65316-P","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G6456004180","display_name":null,"funder_award_id":"2017-SGR-1414","funder_id":"https://openalex.org/F4320321505","funder_display_name":"Generalitat de Catalunya"},{"id":"https://openalex.org/G7096924396","display_name":null,"funder_award_id":"TIN2015-65316","funder_id":"https://openalex.org/F4320321505","funder_display_name":"Generalitat de Catalunya"},{"id":"https://openalex.org/G7842005466","display_name":null,"funder_award_id":"Horizon 2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8159361754","display_name":null,"funder_award_id":"Human Brain Project","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8318064016","display_name":null,"funder_award_id":"Horizon","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8452099967","display_name":"QBeast Utility Analysis to marKet and Enterprise","funder_award_id":"801331","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/F4320321505","display_name":"Generalitat de Catalunya","ror":"https://ror.org/01bg62x04"},{"id":"https://openalex.org/F4320322930","display_name":"Ministerio de Ciencia e Innovaci\u00f3n","ror":"https://ror.org/034900433"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1547250093","https://openalex.org/W1974021718","https://openalex.org/W1979626152","https://openalex.org/W2000053898","https://openalex.org/W2003765267","https://openalex.org/W2011316986","https://openalex.org/W2018155822","https://openalex.org/W2071989194","https://openalex.org/W2081307663","https://openalex.org/W2256812163","https://openalex.org/W2267205240","https://openalex.org/W2467339600","https://openalex.org/W2467389505","https://openalex.org/W2623585623","https://openalex.org/W2751447146","https://openalex.org/W2953809131","https://openalex.org/W2970178191","https://openalex.org/W4232486673","https://openalex.org/W6645195616","https://openalex.org/W6686169942"],"related_works":["https://openalex.org/W1538652242","https://openalex.org/W2011521129","https://openalex.org/W4379164835","https://openalex.org/W2461968736","https://openalex.org/W2031298432","https://openalex.org/W4386544342","https://openalex.org/W2270443735","https://openalex.org/W4312069222","https://openalex.org/W156943659","https://openalex.org/W1607341941"],"abstract_inverted_index":{"Spatial":[0],"big":[1],"data":[2,28,74,86,130,153],"is":[3,47,62,104],"considered":[4],"an":[5],"essential":[6],"trend":[7],"in":[8,57,150],"future":[9],"scientific":[10,54,179],"and":[11,19,51,65,83,99,162,203,215],"business":[12],"applications.":[13,170],"Indeed,":[14,171],"research":[15],"instruments,":[16],"medical":[17],"devices,":[18],"social":[20],"networks":[21],"generate":[22,107],"hundreds":[23],"of":[24,26,40,110,139,181,187],"petabytes":[25],"spatial":[27],"per":[29],"year.":[30],"However,":[31],"many":[32,53],"authors":[33],"have":[34],"pointed":[35],"out":[36],"that":[37,209],"the":[38,67,85,93,119,159,174,178,185,193],"lack":[39],"specialized":[41],"frameworks":[42],"for":[43,167],"multidimensional":[44,90,141],"Big":[45],"Data":[46,60],"limiting":[48],"possible":[49],"applications":[50],"precluding":[52],"breakthroughs.":[55],"Paramount":[56],"achieving":[58],"High-Performance":[59],"Analytics":[61],"to":[63,71,81,88,96,106,176],"optimize":[64],"reduce":[66],"I/O":[68],"operations":[69],"required":[70],"analyze":[72],"large":[73,111,140],"sets.":[75],"To":[76],"do":[77],"so,":[78],"we":[79,117,172,191,207],"need":[80],"organize":[82],"index":[84],"according":[87],"its":[89],"attributes.":[91],"At":[92],"same":[94],"time,":[95],"enable":[97],"fast":[98],"interactive":[100],"exploratory":[101,137],"analysis,":[102],"it":[103],"vital":[105,147],"approximate":[108],"representations":[109],"datasets":[112,142],"efficiently.":[113],"In":[114],"this":[115],"paper,":[116],"propose":[118],"Outlook":[120],"Tree":[121],"(or":[122],"OTree),":[123],"a":[124,146,182],"novel":[125],"Multidimensional":[126],"Indexing":[127],"with":[128,143,201],"efficient":[129],"Sampling":[131],"(MIS)":[132],"algorithm.":[133],"The":[134],"OTree":[135,175,194],"enables":[136],"analysis":[138],"arbitrary":[144],"precision,":[145],"missing":[148],"feature":[149],"current":[151],"distributed":[152],"management":[154],"solutions.":[155],"Our":[156],"algorithm":[157],"reduces":[158],"indexing":[160],"overhead":[161],"achieves":[163],"high":[164],"performance":[165,214],"even":[166],"write-intensive":[168],"HPC":[169],"use":[173],"store":[177],"results":[180],"study":[183],"on":[184,196],"efficiency":[186],"drug":[188],"inhalers.":[189],"Then":[190],"compare":[192],"implementation":[195],"Apache":[197],"Cassandra,":[198],"named":[199],"Qbeast,":[200],"PostgreSQL":[202],"plain":[204],"storage.":[205],"Lastly,":[206],"demonstrate":[208],"our":[210],"proposal":[211],"delivers":[212],"better":[213],"scalability.":[216]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-19T08:26:33.389920","created_date":"2025-10-10T00:00:00"}
