{"id":"https://openalex.org/W2065945467","doi":"https://doi.org/10.1145/2541614.2541620","title":"DGFIndex","display_name":"DGFIndex","publication_year":2013,"publication_date":"2013-12-09","ids":{"openalex":"https://openalex.org/W2065945467","doi":"https://doi.org/10.1145/2541614.2541620","mag":"2065945467"},"language":"en","primary_location":{"id":"doi:10.1145/2541614.2541620","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2541614.2541620","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings Demo & Poster Track of ACM/IFIP/USENIX International Middleware Conference","raw_type":"proceedings-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/A5100320057","display_name":"Yue Liu","orcid":"https://orcid.org/0000-0002-2595-4893"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yue Liu","raw_affiliation_strings":["University of Chinese Academy of Sciences, China and Chinese Academy of Sciences, China","University of Chinese Academy of Sciences, China and Chinese Academy of Sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences, China and Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, China and Chinese Academy of Sciences, China#TAB#","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011069823","display_name":"Wantao Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wantao Liu","raw_affiliation_strings":["Chinese Academy of Sciences, China","Chinese academy of sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"Chinese academy of sciences, China#TAB#","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050795985","display_name":"Zheng Xiao","orcid":"https://orcid.org/0000-0003-1144-7599"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zheng Xiao","raw_affiliation_strings":["State Grid Electricity Science Research Institute, China"],"affiliations":[{"raw_affiliation_string":"State Grid Electricity Science Research Institute, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020744936","display_name":"Weihao Qiu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Weihao Qiu","raw_affiliation_strings":["Zhejiang Electric Power Corporation, China"],"affiliations":[{"raw_affiliation_string":"Zhejiang Electric Power Corporation, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085151144","display_name":"Yanhu Li","orcid":"https://orcid.org/0009-0002-4512-0818"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanhu Li","raw_affiliation_strings":["Chinese Academy of Sciences, China","Chinese academy of sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"Chinese academy of sciences, China#TAB#","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028386553","display_name":"Ying Liang","orcid":"https://orcid.org/0000-0002-2727-3311"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Liang","raw_affiliation_strings":["Chinese Academy of Sciences, China","Chinese academy of sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"Chinese academy of sciences, China#TAB#","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100320057"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":0.3192,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.58504158,"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":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9995999932289124,"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":0.9995999932289124,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.994700014591217,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.7504395246505737},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7436767816543579},{"id":"https://openalex.org/keywords/smart-meter","display_name":"Smart meter","score":0.607850968837738},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.559546709060669},{"id":"https://openalex.org/keywords/smart-grid","display_name":"Smart grid","score":0.5159640908241272},{"id":"https://openalex.org/keywords/metre","display_name":"Metre","score":0.5129337310791016},{"id":"https://openalex.org/keywords/data-warehouse","display_name":"Data warehouse","score":0.5000526905059814},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4583953619003296},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.44379815459251404},{"id":"https://openalex.org/keywords/range-query","display_name":"Range query (database)","score":0.43139681220054626},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.4153367280960083},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4085378348827362},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3606818914413452},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.15538474917411804},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.14226028323173523},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11249351501464844},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.10566049814224243},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1008366048336029}],"concepts":[{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.7504395246505737},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7436767816543579},{"id":"https://openalex.org/C2779510800","wikidata":"https://www.wikidata.org/wiki/Q1630602","display_name":"Smart meter","level":3,"score":0.607850968837738},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.559546709060669},{"id":"https://openalex.org/C10558101","wikidata":"https://www.wikidata.org/wiki/Q689855","display_name":"Smart grid","level":2,"score":0.5159640908241272},{"id":"https://openalex.org/C151011524","wikidata":"https://www.wikidata.org/wiki/Q11573","display_name":"Metre","level":2,"score":0.5129337310791016},{"id":"https://openalex.org/C135572916","wikidata":"https://www.wikidata.org/wiki/Q193351","display_name":"Data warehouse","level":2,"score":0.5000526905059814},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4583953619003296},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.44379815459251404},{"id":"https://openalex.org/C136736807","wikidata":"https://www.wikidata.org/wiki/Q818943","display_name":"Range query (database)","level":5,"score":0.43139681220054626},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.4153367280960083},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4085378348827362},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3606818914413452},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.15538474917411804},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.14226028323173523},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11249351501464844},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.10566049814224243},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1008366048336029},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.0},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2541614.2541620","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2541614.2541620","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings Demo & Poster Track of ACM/IFIP/USENIX International Middleware Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.4699999988079071,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2028226582","https://openalex.org/W2035543557","https://openalex.org/W2149173084"],"related_works":["https://openalex.org/W2805944307","https://openalex.org/W2389925946","https://openalex.org/W1937929880","https://openalex.org/W4365794531","https://openalex.org/W4385873899","https://openalex.org/W3117127269","https://openalex.org/W3172533223","https://openalex.org/W2963478395","https://openalex.org/W2060733691","https://openalex.org/W2159840061"],"abstract_inverted_index":{"In":[0,53],"Smart":[1],"Grid,":[2],"High-performance":[3],"analysis":[4,23],"of":[5],"massive":[6,68],"meter":[7,32,69],"data":[8,22,36,92],"is":[9],"very":[10],"crucial":[11],"for":[12,38,51,67],"electric":[13],"companies":[14],"to":[15],"make":[16],"decisions.":[17],"With":[18],"our":[19],"observation,":[20],"these":[21],"applications":[24],"typically":[25],"involve":[26],"multidimensional":[27],"range":[28],"queries":[29],"(MDRQ)":[30],"on":[31],"data.":[33,70],"While":[34],"popular":[35],"warehouses":[37],"big":[39],"data,":[40],"like":[41],"Hive,":[42,86],"can":[43,77],"perform":[44],"complex":[45],"analysis,":[46],"but":[47],"lack":[48],"efficient":[49],"index":[50,61],"MDRQ.":[52],"this":[54],"paper,":[55],"we":[56],"propose":[57],"DGFIndex,":[58],"a":[59],"dedicated":[60],"structure":[62],"that":[63,75],"effectively":[64],"support":[65],"MDRQ":[66],"Our":[71],"preliminary":[72],"experiments":[73],"show":[74],"DGFIndex":[76],"save":[78],"significant":[79],"disk":[80],"space":[81],"than":[82],"Compact":[83],"Index":[84],"in":[85],"and":[87],"almost":[88],"keeps":[89],"the":[90],"same":[91],"IO.":[93]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}