{"id":"https://openalex.org/W2156414870","doi":"https://doi.org/10.1145/2491845.2491877","title":"Improving the real-time performance of heterogeneous extremely large datasets","display_name":"Improving the real-time performance of heterogeneous extremely large datasets","publication_year":2013,"publication_date":"2013-09-03","ids":{"openalex":"https://openalex.org/W2156414870","doi":"https://doi.org/10.1145/2491845.2491877","mag":"2156414870"},"language":"en","primary_location":{"id":"doi:10.1145/2491845.2491877","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2491845.2491877","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th Panhellenic Conference on Informatics","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/3438927","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021491998","display_name":"Stasinos Konstantopoulos","orcid":"https://orcid.org/0000-0002-2586-1726"},"institutions":[{"id":"https://openalex.org/I203474044","display_name":"National Centre of Scientific Research \"Demokritos\"","ror":"https://ror.org/038jp4m40","country_code":"GR","type":"facility","lineage":["https://openalex.org/I203474044"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Stasinos Konstantopoulos","raw_affiliation_strings":["NCSR \"Demokritos\", Agia Paraskevi, Greece"],"affiliations":[{"raw_affiliation_string":"NCSR \"Demokritos\", Agia Paraskevi, Greece","institution_ids":["https://openalex.org/I203474044"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015232178","display_name":"Antonis Koukourikos","orcid":null},"institutions":[{"id":"https://openalex.org/I203474044","display_name":"National Centre of Scientific Research \"Demokritos\"","ror":"https://ror.org/038jp4m40","country_code":"GR","type":"facility","lineage":["https://openalex.org/I203474044"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Antonis Koukourikos","raw_affiliation_strings":["NCSR \"Demokritos\", Agia Paraskevi, Greece"],"affiliations":[{"raw_affiliation_string":"NCSR \"Demokritos\", Agia Paraskevi, Greece","institution_ids":["https://openalex.org/I203474044"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105839022","display_name":"Pythagoras Karampiperis","orcid":null},"institutions":[{"id":"https://openalex.org/I203474044","display_name":"National Centre of Scientific Research \"Demokritos\"","ror":"https://ror.org/038jp4m40","country_code":"GR","type":"facility","lineage":["https://openalex.org/I203474044"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Pythagoras Karampiperis","raw_affiliation_strings":["NCSR \"Demokritos\", Agia Paraskevi, Greece"],"affiliations":[{"raw_affiliation_string":"NCSR \"Demokritos\", Agia Paraskevi, Greece","institution_ids":["https://openalex.org/I203474044"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5021491998"],"corresponding_institution_ids":["https://openalex.org/I203474044"],"apc_list":null,"apc_paid":null,"fwci":0.3192,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61034321,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"287","last_page":"293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9991999864578247,"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":0.9991999864578247,"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":0.9987999796867371,"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/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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8724269866943359},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.7189255952835083},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6499629616737366},{"id":"https://openalex.org/keywords/identifier","display_name":"Identifier","score":0.6478473544120789},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.48280227184295654},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.473191499710083},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.45372605323791504},{"id":"https://openalex.org/keywords/interoperability","display_name":"Interoperability","score":0.44549915194511414},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.41944774985313416},{"id":"https://openalex.org/keywords/semantic-web","display_name":"Semantic Web","score":0.4106884300708771},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3416129946708679},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.16745451092720032},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.14374634623527527}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8724269866943359},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.7189255952835083},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6499629616737366},{"id":"https://openalex.org/C154504017","wikidata":"https://www.wikidata.org/wiki/Q853614","display_name":"Identifier","level":2,"score":0.6478473544120789},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.48280227184295654},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.473191499710083},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.45372605323791504},{"id":"https://openalex.org/C20136886","wikidata":"https://www.wikidata.org/wiki/Q749647","display_name":"Interoperability","level":2,"score":0.44549915194511414},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.41944774985313416},{"id":"https://openalex.org/C2129575","wikidata":"https://www.wikidata.org/wiki/Q54837","display_name":"Semantic Web","level":2,"score":0.4106884300708771},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3416129946708679},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.16745451092720032},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.14374634623527527},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2491845.2491877","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2491845.2491877","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th Panhellenic Conference on Informatics","raw_type":"proceedings-article"},{"id":"pmh:oai:zenodo.org:3438927","is_oa":true,"landing_page_url":"https://zenodo.org/record/3438927","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":"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/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:3438927","is_oa":true,"landing_page_url":"https://zenodo.org/record/3438927","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":"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/conferencePaper"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6879009316","display_name":null,"funder_award_id":"318497","funder_id":"https://openalex.org/F4320334960","funder_display_name":"Seventh Framework Programme"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320334960","display_name":"Seventh Framework Programme","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W423119105","https://openalex.org/W2034103898","https://openalex.org/W2057244774","https://openalex.org/W2103333826","https://openalex.org/W2118269922","https://openalex.org/W2142637263","https://openalex.org/W2143103062","https://openalex.org/W2151310484","https://openalex.org/W2157228914","https://openalex.org/W2160845726","https://openalex.org/W2293919922","https://openalex.org/W2340222647"],"related_works":["https://openalex.org/W2392768766","https://openalex.org/W2058118494","https://openalex.org/W2382021449","https://openalex.org/W2095118173","https://openalex.org/W2104269053","https://openalex.org/W2106424170","https://openalex.org/W2093262417","https://openalex.org/W1985426483","https://openalex.org/W2501188010","https://openalex.org/W4377091993"],"abstract_inverted_index":{"The":[0],"POWDER":[1,40,71,86,98],"protocol":[2],"is":[3],"a":[4,32,44,113,172,194],"Semantic":[5],"Web":[6],"technology":[7],"--and":[8],"W3C":[9],"Recommendation-":[10],"that":[11,190],"takes":[12,147],"advantage":[13,148],"of":[14,17,36,55,70,125,130,141,149,160,171],"natural":[15,158],"groupings":[16,159],"URIs,":[18],"as":[19,21,23,43,77],"identifiers":[20],"well":[22],"navigational":[24],"paths,":[25],"to":[26,152,164,185],"annotate":[27],"all":[28],"the":[29,37,53,68,85,117,123,128,169,188],"resources":[30],"in":[31,72,122,137,162,177],"regular":[33],"expression-delineated":[34],"sub-space":[35],"URI":[38,180,196],"space.":[39],"was":[41],"designed":[42],"mechanism":[45],"for":[46,116,127],"accreditation,":[47],"trustmarking":[48],"and":[49,61,92,95,105,133,156],"resource":[50],"discovery,":[51],"emphasizing":[52],"publishing":[54],"attributed":[56],"metadata":[57,126,167],"by":[58],"third":[59],"parties":[60],"trusted":[62],"authorities.":[63],"However,":[64],"its":[65],"versatility":[66],"allows":[67],"application":[69],"different":[73],"use":[74,93],"cases":[75,94],"such":[76],"repository":[78],"compression.":[79],"In":[80],"this":[81],"paper,":[82],"we":[83,111],"present":[84,96],"protocol,":[87],"briefly":[88],"discuss":[89,112],"current":[90],"implementations":[91],"how":[97],"can":[99],"be":[100,183],"implemented":[101],"over":[102],"existing":[103],"well-tested":[104],"robust":[106],"semantic":[107,142],"storage":[108],"systems.":[109],"Furthermore,":[110],"novel":[114],"solution":[115,146],"scalable":[118],"storing":[119],"data":[120,173],"summaries":[121],"form":[124],"purposes":[129],"source":[131,134],"selection":[132],"schema":[135],"coordination":[136],"large-scale,":[138],"heterogeneous":[139],"federations":[140],"querying":[143],"endpoints.":[144],"Our":[145],"POWDER's":[150],"ability":[151],"exploit":[153],"naming":[154],"conventions":[155],"other":[157],"URIs":[161],"order":[163],"compress":[165],"instance-level":[166],"about":[168],"nodes":[170],"service":[174],"federation,":[175],"especially":[176],"situations":[178],"where":[179],"hashing":[181],"cannot":[182],"used":[184],"efficiently":[186],"resolve":[187],"sources":[189],"hold":[191],"statements":[192],"regarding":[193],"given":[195],"resource.":[197]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
