{"id":"https://openalex.org/W1597600687","doi":"https://doi.org/10.1109/nas.2015.7255241","title":"HIFFS: A Hybrid Index for Flash File System","display_name":"HIFFS: A Hybrid Index for Flash File System","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W1597600687","doi":"https://doi.org/10.1109/nas.2015.7255241","mag":"1597600687"},"language":"en","primary_location":{"id":"doi:10.1109/nas.2015.7255241","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nas.2015.7255241","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Networking, Architecture and Storage (NAS)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101693468","display_name":"Yang Ou","orcid":"https://orcid.org/0000-0002-5609-3571"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Ou","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, China","State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079411044","display_name":"Xiaoquan Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoquan Wu","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, China","State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023506057","display_name":"Nong Xiao","orcid":"https://orcid.org/0000-0002-2166-977X"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nong Xiao","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, China","State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100453028","display_name":"Fang Liu","orcid":"https://orcid.org/0000-0001-8753-3878"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Liu","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, China","State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100756971","display_name":"Wei Chen","orcid":"https://orcid.org/0000-0002-2876-6687"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Chen","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, China","State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology , Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"54","issue":null,"first_page":"363","last_page":"364"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"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/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"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/T11478","display_name":"Caching and Content Delivery","score":0.9980000257492065,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9871000051498413,"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/computer-science","display_name":"Computer science","score":0.8522230386734009},{"id":"https://openalex.org/keywords/directory","display_name":"Directory","score":0.7235103845596313},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.7146651744842529},{"id":"https://openalex.org/keywords/flash-file-system","display_name":"Flash file system","score":0.7032954096794128},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.5876159071922302},{"id":"https://openalex.org/keywords/file-system-fragmentation","display_name":"File system fragmentation","score":0.5789194703102112},{"id":"https://openalex.org/keywords/file-control-block","display_name":"File Control Block","score":0.5789080858230591},{"id":"https://openalex.org/keywords/file-size","display_name":"File size","score":0.5690777897834778},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.5539276003837585},{"id":"https://openalex.org/keywords/unix-file-types","display_name":"Unix file types","score":0.5438554286956787},{"id":"https://openalex.org/keywords/computer-file","display_name":"Computer file","score":0.516228199005127},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.5054366588592529},{"id":"https://openalex.org/keywords/flash","display_name":"Flash (photography)","score":0.5044077634811401},{"id":"https://openalex.org/keywords/flash-memory","display_name":"Flash memory","score":0.47539886832237244},{"id":"https://openalex.org/keywords/b-tree","display_name":"B-tree","score":0.4560011923313141},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.45475733280181885},{"id":"https://openalex.org/keywords/versioning-file-system","display_name":"Versioning file system","score":0.44316428899765015},{"id":"https://openalex.org/keywords/indexed-file","display_name":"Indexed file","score":0.43045058846473694},{"id":"https://openalex.org/keywords/stub-file","display_name":"Stub file","score":0.3823840022087097},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.21298766136169434},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.15135493874549866},{"id":"https://openalex.org/keywords/computer-memory","display_name":"Computer memory","score":0.14434781670570374},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.07480069994926453}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8522230386734009},{"id":"https://openalex.org/C2777683733","wikidata":"https://www.wikidata.org/wiki/Q201456","display_name":"Directory","level":2,"score":0.7235103845596313},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.7146651744842529},{"id":"https://openalex.org/C27670709","wikidata":"https://www.wikidata.org/wiki/Q5457555","display_name":"Flash file system","level":4,"score":0.7032954096794128},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.5876159071922302},{"id":"https://openalex.org/C26656859","wikidata":"https://www.wikidata.org/wiki/Q4089244","display_name":"File system fragmentation","level":4,"score":0.5789194703102112},{"id":"https://openalex.org/C180500224","wikidata":"https://www.wikidata.org/wiki/Q1412592","display_name":"File Control Block","level":4,"score":0.5789080858230591},{"id":"https://openalex.org/C2776029614","wikidata":"https://www.wikidata.org/wiki/Q1146367","display_name":"File size","level":2,"score":0.5690777897834778},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.5539276003837585},{"id":"https://openalex.org/C21729314","wikidata":"https://www.wikidata.org/wiki/Q7896858","display_name":"Unix file types","level":4,"score":0.5438554286956787},{"id":"https://openalex.org/C95637964","wikidata":"https://www.wikidata.org/wiki/Q82753","display_name":"Computer file","level":2,"score":0.516228199005127},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.5054366588592529},{"id":"https://openalex.org/C2777526259","wikidata":"https://www.wikidata.org/wiki/Q221836","display_name":"Flash (photography)","level":2,"score":0.5044077634811401},{"id":"https://openalex.org/C2776531357","wikidata":"https://www.wikidata.org/wiki/Q174077","display_name":"Flash memory","level":2,"score":0.47539886832237244},{"id":"https://openalex.org/C78669399","wikidata":"https://www.wikidata.org/wiki/Q677051","display_name":"B-tree","level":3,"score":0.4560011923313141},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.45475733280181885},{"id":"https://openalex.org/C166807848","wikidata":"https://www.wikidata.org/wiki/Q3445065","display_name":"Versioning file system","level":4,"score":0.44316428899765015},{"id":"https://openalex.org/C56317617","wikidata":"https://www.wikidata.org/wiki/Q378922","display_name":"Indexed file","level":3,"score":0.43045058846473694},{"id":"https://openalex.org/C13674803","wikidata":"https://www.wikidata.org/wiki/Q7627301","display_name":"Stub file","level":3,"score":0.3823840022087097},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.21298766136169434},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.15135493874549866},{"id":"https://openalex.org/C92855701","wikidata":"https://www.wikidata.org/wiki/Q5830907","display_name":"Computer memory","level":3,"score":0.14434781670570374},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.07480069994926453},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C98986596","wikidata":"https://www.wikidata.org/wiki/Q1143031","display_name":"Semiconductor memory","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/nas.2015.7255241","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nas.2015.7255241","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Networking, Architecture and Storage (NAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W142764049","https://openalex.org/W2064864675"],"related_works":["https://openalex.org/W2600173906","https://openalex.org/W1990666357","https://openalex.org/W2053136373","https://openalex.org/W2023412278","https://openalex.org/W2342627122","https://openalex.org/W4247882433","https://openalex.org/W130417735","https://openalex.org/W2082631053","https://openalex.org/W4233195927","https://openalex.org/W4210915796"],"abstract_inverted_index":{"Flash":[0,86],"memory,":[1,5],"especially":[2],"NAND":[3,71],"flash":[4,27,39,72],"has":[6],"become":[7],"a":[8,57,106],"popular":[9],"alternative":[10],"for":[11,70,85],"the":[12,26,46,53,138],"design":[13],"of":[14,19,48],"storage":[15],"system.":[16],"Index":[17,84],"schemes":[18],"conventional":[20],"file":[21,40,67,73,98,119,124,129,140],"systems":[22,41,141],"do":[23],"not":[24],"take":[25],"memory":[28],"characteristics":[29],"into":[30],"account":[31],"and":[32,66,96,114],"will":[33],"cause":[34],"poor":[35],"performance.":[36],"The":[37,101,117,131],"current":[38],"work":[42],"well":[43],"only":[44],"in":[45,63,75,143],"case":[47],"small":[49],"capacity.":[50],"To":[51],"address":[52],"problem,":[54],"we":[55],"propose":[56],"new":[58],"hybrid":[59],"indexing":[60],"scheme":[61],"both":[62,142],"directory":[64,95,104],"structure":[65],"data":[68,99,120],"index":[69,108,121,125],"system":[74],"this":[76],"paper,":[77],"which":[78],"is":[79],"called":[80],"HIFFS":[81,89,136],"(a":[82],"Hybrid":[83],"File":[87],"System).":[88],"contains":[90],"two":[91],"components:":[92],"hash":[93,102],"tree":[94,103],"adaptive":[97,118],"index.":[100],"uses":[105,122],"hash-based":[107],"to":[109,128],"get":[110],"better":[111],"update":[112],"performance":[113],"search":[115],"efficiency.":[116],"different":[123],"strategy":[126],"according":[127],"size.":[130],"experiment":[132],"results":[133],"show":[134],"that":[135],"outperforms":[137],"state-of-the-art":[139],"throughput.":[144]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}