{"id":"https://openalex.org/W2533962715","doi":"https://doi.org/10.1109/csc.2011.6138512","title":"A privacy-protecting file system on public cloud storage","display_name":"A privacy-protecting file system on public cloud storage","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2533962715","doi":"https://doi.org/10.1109/csc.2011.6138512","mag":"2533962715"},"language":"en","primary_location":{"id":"doi:10.1109/csc.2011.6138512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csc.2011.6138512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Cloud and Service Computing","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/A5102805311","display_name":"Zhonghua Sheng","orcid":"https://orcid.org/0000-0002-5960-8307"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Zhonghua Sheng","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101765974","display_name":"Zhiqiang Ma","orcid":"https://orcid.org/0000-0001-7568-3588"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhiqiang Ma","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073146599","display_name":"Lin Gu","orcid":"https://orcid.org/0000-0002-6525-9334"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lin Gu","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100413646","display_name":"Ang Li","orcid":"https://orcid.org/0000-0003-0298-9329"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ang Li","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102805311"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":0.7309,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.76983403,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"141","last_page":"149"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9991000294685364,"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/T10237","display_name":"Cryptography and Data Security","score":0.9965000152587891,"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":0.796549916267395},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.6134477853775024},{"id":"https://openalex.org/keywords/cloud-storage","display_name":"Cloud storage","score":0.5909638404846191},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.48253390192985535},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4764714241027832},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.45309925079345703},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4347931146621704},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.43236857652664185},{"id":"https://openalex.org/keywords/interleaving","display_name":"Interleaving","score":0.42285045981407166},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.34061646461486816},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2295427918434143}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.796549916267395},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.6134477853775024},{"id":"https://openalex.org/C2777059624","wikidata":"https://www.wikidata.org/wiki/Q914359","display_name":"Cloud storage","level":3,"score":0.5909638404846191},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.48253390192985535},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4764714241027832},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.45309925079345703},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4347931146621704},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.43236857652664185},{"id":"https://openalex.org/C28034677","wikidata":"https://www.wikidata.org/wiki/Q17092530","display_name":"Interleaving","level":2,"score":0.42285045981407166},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.34061646461486816},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2295427918434143}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/csc.2011.6138512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csc.2011.6138512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Cloud and Service Computing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W26797728","https://openalex.org/W106162958","https://openalex.org/W198167392","https://openalex.org/W200839506","https://openalex.org/W1549974913","https://openalex.org/W1639305476","https://openalex.org/W1976666123","https://openalex.org/W1981420413","https://openalex.org/W1999984505","https://openalex.org/W2009191935","https://openalex.org/W2009899662","https://openalex.org/W2048273752","https://openalex.org/W2056980397","https://openalex.org/W2104948281","https://openalex.org/W2114349788","https://openalex.org/W2119565742","https://openalex.org/W2121133177","https://openalex.org/W2131629857","https://openalex.org/W2150013559","https://openalex.org/W2153704625","https://openalex.org/W2157240622","https://openalex.org/W2158049821","https://openalex.org/W2159339961","https://openalex.org/W2160278717","https://openalex.org/W2341655714","https://openalex.org/W2476848288","https://openalex.org/W2535297640","https://openalex.org/W2585172182","https://openalex.org/W2606845864","https://openalex.org/W2916086000","https://openalex.org/W3143573829","https://openalex.org/W3145042860","https://openalex.org/W3147718818","https://openalex.org/W4250874986","https://openalex.org/W6604258156","https://openalex.org/W6608141333","https://openalex.org/W6632765953","https://openalex.org/W6650418438","https://openalex.org/W6676700842","https://openalex.org/W6677228968","https://openalex.org/W6679408652"],"related_works":["https://openalex.org/W2348283597","https://openalex.org/W3022042262","https://openalex.org/W2369572752","https://openalex.org/W2921774642","https://openalex.org/W1999590660","https://openalex.org/W4231450971","https://openalex.org/W2946119021","https://openalex.org/W2369516071","https://openalex.org/W2891304153","https://openalex.org/W2185451781"],"abstract_inverted_index":{"With":[0],"the":[1,31,47,59,66,88,93,121,125,135,146,159,167,184],"development":[2],"of":[3,10,55,124,158,175],"cloud-based":[4],"systems":[5,204],"and":[6,22,51,63,83,99,138,164,190],"applications,":[7],"a":[8,110,172],"number":[9],"major":[11],"technical":[12],"firms":[13],"have":[14],"started":[15],"to":[16,91,170],"provide":[17,102],"public":[18],"cloud":[19],"storage":[20,61,94,147],"services,":[21],"store":[23,36],"user":[24,74,106,132,162],"data":[25,38,48,130],"in":[26,39,131,145,161],"datacenters":[27],"strategically":[28],"positioned":[29],"across":[30],"Internet.":[32],"However,":[33],"when":[34],"users":[35],"private":[37],"shared":[40],"datacenters,":[41],"they":[42,79],"lose":[43],"control":[44],"over":[45],"how":[46],"are":[49],"stored":[50],"accessed.":[52],"Multiple":[53],"classes":[54],"personnel":[56],"may":[57],"access":[58],"physical":[60],"media":[62],"potentially":[64],"read":[65],"data.":[67],"While":[68,149],"strong":[69,103,151],"cryptographic":[70],"methods":[71],"can":[72],"protect":[73],"files":[75,133],"from":[76],"unauthorized":[77],"accesses,":[78],"incur":[80],"computational":[81],"overhead,":[82],"make":[84],"it":[85],"difficult":[86],"for":[87],"infrastructure":[89,168],"provider":[90,169],"optimize":[92],"space":[95,176],"with":[96,197,213],"effective":[97],"compression":[98],"deduplication.":[100],"To":[101],"protection":[104,123],"on":[105,120,183,216],"data,":[107,163],"we":[108],"design":[109],"new":[111],"file":[112,203,210],"system":[113,211],"called":[114],"BIFS":[115,128,154,182,207],"(Bit-Interleaving":[116],"File":[117],"System).":[118],"Focusing":[119],"privacy":[122,152],"on-disk":[126],"state,":[127],"re-orders":[129],"at":[134,142],"bit":[136,140],"level,":[137],"stores":[139],"slices":[141],"distributed":[143],"locations":[144],"system.":[148],"providing":[150],"protection,":[153],"still":[155],"retains":[156],"part":[157],"regularity":[160],"thus":[165],"enables":[166],"perform":[171],"certain":[173],"level":[174],"optimization":[177],"(e.g.,":[178],"compression).":[179],"We":[180],"implement":[181],"Amazon":[185],"Simple":[186],"Storage":[187],"Service":[188],"(S3),":[189],"examine":[191],"its":[192],"performance":[193],"characteristics.":[194],"The":[195],"comparison":[196],"several":[198],"existing":[199],"network":[200],"or":[201],"Internet-based":[202],"shows":[205],"that":[206],"provides":[208],"robust":[209],"functions":[212],"satisfactory":[214],"throughput":[215],"S3.":[217]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
