{"id":"https://openalex.org/W4381730606","doi":"https://doi.org/10.1109/tc.2023.3288760","title":"FileDAG: A Multi-Version Decentralized Storage Network Built on DAG-Based Blockchain","display_name":"FileDAG: A Multi-Version Decentralized Storage Network Built on DAG-Based Blockchain","publication_year":2023,"publication_date":"2023-06-24","ids":{"openalex":"https://openalex.org/W4381730606","doi":"https://doi.org/10.1109/tc.2023.3288760"},"language":"en","primary_location":{"id":"doi:10.1109/tc.2023.3288760","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tc.2023.3288760","pdf_url":null,"source":{"id":"https://openalex.org/S157670870","display_name":"IEEE Transactions on Computers","issn_l":"0018-9340","issn":["0018-9340","1557-9956","2326-3814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computers","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/A5002290807","display_name":"Hechuan Guo","orcid":"https://orcid.org/0000-0003-0397-1382"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hechuan Guo","raw_affiliation_strings":["School of Computer and Science and Technology, Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Science and Technology, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103077343","display_name":"Minghui Xu","orcid":"https://orcid.org/0000-0003-3675-3461"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minghui Xu","raw_affiliation_strings":["School of Computer and Science and Technology, Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Science and Technology, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100445512","display_name":"Jiahao Zhang","orcid":"https://orcid.org/0009-0004-4163-2175"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiahao Zhang","raw_affiliation_strings":["School of Computer and Science and Technology, Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Science and Technology, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042904638","display_name":"Chunchi Liu","orcid":"https://orcid.org/0000-0003-0200-8092"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chunchi Liu","raw_affiliation_strings":["Ernst &#x0026; Young, London, U.K"],"affiliations":[{"raw_affiliation_string":"Ernst &#x0026; Young, London, U.K","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045982340","display_name":"Dongxiao Yu","orcid":"https://orcid.org/0000-0001-6835-5981"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongxiao Yu","raw_affiliation_strings":["School of Computer and Science and Technology, Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Science and Technology, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004847496","display_name":"Schahram Dustdar","orcid":"https://orcid.org/0000-0001-6872-8821"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Schahram Dustdar","raw_affiliation_strings":["Research Division of Distributed Systems, TU Wien, Wien, Austria"],"affiliations":[{"raw_affiliation_string":"Research Division of Distributed Systems, TU Wien, Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100692488","display_name":"Xiuzhen Cheng","orcid":"https://orcid.org/0000-0001-5912-4647"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiuzhen Cheng","raw_affiliation_strings":["School of Computer and Science and Technology, Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Science and Technology, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I80143920"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5002290807"],"corresponding_institution_ids":["https://openalex.org/I80143920"],"apc_list":null,"apc_paid":null,"fwci":8.8845,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.97786117,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"72","issue":"11","first_page":"3191","last_page":"3202"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9937999844551086,"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9840999841690063,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/data-deduplication","display_name":"Data deduplication","score":0.8587304949760437},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8388516902923584},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.6331498026847839},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.5353835821151733},{"id":"https://openalex.org/keywords/directory","display_name":"Directory","score":0.5329735279083252},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.5192049145698547},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.5096449851989746},{"id":"https://openalex.org/keywords/file-server","display_name":"File server","score":0.45937737822532654},{"id":"https://openalex.org/keywords/storage-area-network","display_name":"Storage area network","score":0.442441463470459},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.43613535165786743},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.4202389419078827},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38480761647224426},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36461031436920166},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.3564770817756653},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.1866777539253235}],"concepts":[{"id":"https://openalex.org/C32587265","wikidata":"https://www.wikidata.org/wiki/Q1182260","display_name":"Data deduplication","level":2,"score":0.8587304949760437},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8388516902923584},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.6331498026847839},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.5353835821151733},{"id":"https://openalex.org/C2777683733","wikidata":"https://www.wikidata.org/wiki/Q201456","display_name":"Directory","level":2,"score":0.5329735279083252},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.5192049145698547},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.5096449851989746},{"id":"https://openalex.org/C4373008","wikidata":"https://www.wikidata.org/wiki/Q513349","display_name":"File server","level":2,"score":0.45937737822532654},{"id":"https://openalex.org/C67646966","wikidata":"https://www.wikidata.org/wiki/Q237576","display_name":"Storage area network","level":3,"score":0.442441463470459},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.43613535165786743},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.4202389419078827},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38480761647224426},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36461031436920166},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.3564770817756653},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.1866777539253235}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tc.2023.3288760","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tc.2023.3288760","pdf_url":null,"source":{"id":"https://openalex.org/S157670870","display_name":"IEEE Transactions on Computers","issn_l":"0018-9340","issn":["0018-9340","1557-9956","2326-3814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.5199999809265137,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G8942805157","display_name":null,"funder_award_id":"62232010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W50116563","https://openalex.org/W851575271","https://openalex.org/W1559528097","https://openalex.org/W2130200371","https://openalex.org/W2182101170","https://openalex.org/W2730380569","https://openalex.org/W2964262836","https://openalex.org/W3043389685","https://openalex.org/W3151748982","https://openalex.org/W3185672164","https://openalex.org/W4210288541","https://openalex.org/W4210498039","https://openalex.org/W4225666560","https://openalex.org/W4239670432","https://openalex.org/W6685807058","https://openalex.org/W6793285265"],"related_works":["https://openalex.org/W2994530202","https://openalex.org/W1513660145","https://openalex.org/W2290204549","https://openalex.org/W3204477168","https://openalex.org/W3212596196","https://openalex.org/W2933070810","https://openalex.org/W66762607","https://openalex.org/W3020522069","https://openalex.org/W2223319560","https://openalex.org/W1826586879"],"abstract_inverted_index":{"Decentralized":[0],"Storage":[1],"Networks":[2],"(DSNs)":[3],"can":[4,31,48,137],"gather":[5],"storage":[6,21,62,153,176],"resources":[7],"from":[8],"mutually":[9],"untrusted":[10],"providers":[11,34],"and":[12,35,63,115,140,158,178],"form":[13],"worldwide":[14],"decentralized":[15],"file":[16,70,142],"systems.":[17],"Compared":[18],"to":[19,59,96,113],"traditional":[20],"networks,":[22],"DSNs":[23,41,68,174],"are":[24,79],"built":[25,92],"on":[26,93],"top":[27],"of":[28,121],"blockchains,":[29],"which":[30,135],"incentivize":[32],"service":[33],"ensure":[36],"strong":[37],"security.":[38],"However,":[39],"existing":[40],"face":[42],"two":[43],"major":[44],"challenges.":[45],"First,":[46],"deduplication":[47,57,99],"only":[49,117],"be":[50],"achieved":[51],"at":[52],"the":[53,118,122,147,171],"directory-level.":[54],"Missing":[55],"file-level":[56,98],"leads":[58],"unavoidable":[60],"extra":[61,74,152],"bandwidth":[64],"cost.":[65],"Second,":[66],"current":[67],"realize":[69],"indexing":[71,143],"by":[72,134,144],"storing":[73,101],"metadata":[75],"while":[76],"blockchain":[77,95,132,148],"ledgers":[78],"not":[80],"fully":[81],"exploited.":[82],"To":[83],"overcome":[84],"these":[85],"problems,":[86],"we":[87,107,127],"propose":[88],"FileDAG,":[89],"a":[90,129],"DSN":[91],"DAG-based":[94,131],"support":[97],"in":[100],"multi-versioned":[102],"files.":[103,125],"When":[104],"updating":[105],"files,":[106],"adopt":[108],"an":[109],"increment":[110],"generation":[111],"method":[112],"calculate":[114],"store":[116],"increments":[119],"instead":[120],"entire":[123],"updated":[124],"Besides,":[126],"introduce":[128],"two-layer":[130],"ledger,":[133],"FileDAG":[136,157,169],"provide":[138],"flexible":[139],"storage-saving":[141],"directly":[145],"using":[146],"database":[149],"without":[150],"incurring":[151],"overhead.":[154],"We":[155],"implement":[156],"evaluate":[159],"its":[160],"performance":[161],"with":[162],"extensive":[163],"experiments.":[164],"The":[165],"results":[166],"demonstrate":[167],"that":[168],"outperforms":[170],"state-of-the-art":[172],"industrial":[173],"considering":[175],"cost":[177],"latency.":[179]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":12}],"updated_date":"2026-03-04T09:10:02.777135","created_date":"2025-10-10T00:00:00"}
