{"id":"https://openalex.org/W2144285669","doi":"https://doi.org/10.2197/ipsjtrans.3.25","title":"A Real-Time File System for Constrained Quality of Service Applications","display_name":"A Real-Time File System for Constrained Quality of Service Applications","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2144285669","doi":"https://doi.org/10.2197/ipsjtrans.3.25","mag":"2144285669"},"language":"en","primary_location":{"id":"doi:10.2197/ipsjtrans.3.25","doi":"https://doi.org/10.2197/ipsjtrans.3.25","is_oa":true,"landing_page_url":"https://doi.org/10.2197/ipsjtrans.3.25","pdf_url":"https://www.jstage.jst.go.jp/article/ipsjtrans/3/0/3_0_25/_pdf","source":{"id":"https://openalex.org/S4210240479","display_name":"IPSJ Online Transactions","issn_l":"1882-6660","issn":["1882-6660"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPSJ Online Transactions","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/ipsjtrans/3/0/3_0_25/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031021750","display_name":"Damien Le Moal","orcid":"https://orcid.org/0009-0003-1065-805X","observed_orcids":["https://orcid.org/0009-0003-1065-805X"]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Damien Le Moal","raw_affiliation_strings":["Graduate School of Informatics, Systems Science, Kyoto University, Kyoto, Japan","Systems Development Laboratory, Hitachi Ltd., Kawasaki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Systems Science, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Systems Development Laboratory, Hitachi Ltd., Kawasaki, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080226161","display_name":"Donald Molaro","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86725329","display_name":"Hitachi Global Storage Technologies (United States)","ror":"https://ror.org/02q0s1x22","country_code":"US","type":"company","lineage":["https://openalex.org/I86725329"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Donald Molaro","raw_affiliation_strings":["Hitachi Global Storage Technologies, San Jose Research Center, San Jose, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Global Storage Technologies, San Jose Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I86725329"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111980522","display_name":"Jorge Campello","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86725329","display_name":"Hitachi Global Storage Technologies (United States)","ror":"https://ror.org/02q0s1x22","country_code":"US","type":"company","lineage":["https://openalex.org/I86725329"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jorge Campello","raw_affiliation_strings":["Hitachi Global Storage Technologies, San Jose Research Center, San Jose, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Global Storage Technologies, San Jose Research Center, San Jose, CA, USA","institution_ids":["https://openalex.org/I86725329"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3646,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.66899947,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"25","last_page":"40"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9990000128746033,"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":0.9990000128746033,"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/T10933","display_name":"Real-Time Systems Scheduling","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T12127","display_name":"Software System Performance and Reliability","score":9.999999747378752e-05,"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/quality-of-service","display_name":"quality of service","score":0.9580000042915344},{"id":"https://openalex.org/keywords/real-time-video-streams","display_name":"real-time video streams","score":0.6539999842643738},{"id":"https://openalex.org/keywords/qos-measurement","display_name":"QoS measurement","score":0.6470000147819519}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8888145685195923},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.6966313123703003},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.6898359656333923},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.6215168833732605},{"id":"https://openalex.org/C58861120","wikidata":"https://www.wikidata.org/wiki/Q1330734","display_name":"Virtual file system","level":5,"score":0.47845005989074707},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.47336098551750183},{"id":"https://openalex.org/C193769178","wikidata":"https://www.wikidata.org/wiki/Q14679","display_name":"Device file","level":3,"score":0.4609338343143463},{"id":"https://openalex.org/C26656859","wikidata":"https://www.wikidata.org/wiki/Q4089244","display_name":"File system fragmentation","level":4,"score":0.4167085587978363},{"id":"https://openalex.org/C82820731","wikidata":"https://www.wikidata.org/wiki/Q2640620","display_name":"Self-certifying File System","level":3,"score":0.4024598002433777},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3574886918067932},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32316815853118896},{"id":"https://openalex.org/C95637964","wikidata":"https://www.wikidata.org/wiki/Q82753","display_name":"Computer file","level":2,"score":0.25750863552093506},{"id":"https://openalex.org/C88520388","wikidata":"https://www.wikidata.org/wiki/Q1126823","display_name":"SSH File Transfer Protocol","level":4,"score":0.23947161436080933}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2197/ipsjtrans.3.25","doi":"https://doi.org/10.2197/ipsjtrans.3.25","is_oa":true,"landing_page_url":"https://doi.org/10.2197/ipsjtrans.3.25","pdf_url":"https://www.jstage.jst.go.jp/article/ipsjtrans/3/0/3_0_25/_pdf","source":{"id":"https://openalex.org/S4210240479","display_name":"IPSJ Online Transactions","issn_l":"1882-6660","issn":["1882-6660"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPSJ Online Transactions","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2197/ipsjtrans.3.25","doi":"https://doi.org/10.2197/ipsjtrans.3.25","is_oa":true,"landing_page_url":"https://doi.org/10.2197/ipsjtrans.3.25","pdf_url":"https://www.jstage.jst.go.jp/article/ipsjtrans/3/0/3_0_25/_pdf","source":{"id":"https://openalex.org/S4210240479","display_name":"IPSJ Online Transactions","issn_l":"1882-6660","issn":["1882-6660"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPSJ Online Transactions","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2144285669.pdf","grobid_xml":"https://content.openalex.org/works/W2144285669.grobid-xml"},"referenced_works_count":11,"referenced_works":["https://openalex.org/W1967212268","https://openalex.org/W1986374269","https://openalex.org/W1998927861","https://openalex.org/W2043705344","https://openalex.org/W2082993844","https://openalex.org/W2096611364","https://openalex.org/W2097411631","https://openalex.org/W2100065899","https://openalex.org/W2149485993","https://openalex.org/W2161828056","https://openalex.org/W2618723451"],"related_works":["https://openalex.org/W1482307985","https://openalex.org/W1597690159","https://openalex.org/W1710839778","https://openalex.org/W2161828056","https://openalex.org/W2170207525","https://openalex.org/W2097411631","https://openalex.org/W1448253576","https://openalex.org/W7099105522","https://openalex.org/W2185824884","https://openalex.org/W2065811011"],"abstract_inverted_index":{"The":[0],"prevalence":[1],"of":[2,16,58,66,81,106,110],"multi-tuners,":[3],"high-definition":[4],"digital":[5],"video":[6,68],"recorder":[7,24],"systems":[8,42,49,118],"and":[9,43,85,122,131],"home":[10],"networking":[11],"is":[12],"increasing":[13],"the":[14,56,75],"number":[15],"simultaneous":[17,93],"streams":[18,130],"that":[19],"must":[20],"be":[21],"processed":[22],"by":[23,47],"storage":[25],"devices.":[26],"Whereas":[27],"recent":[28],"hard-disk":[29],"drives":[30],"provide":[31],"enough":[32],"performance":[33],"to":[34,115],"theoretically":[35],"handle":[36],"such":[37,50,119],"workloads,":[38],"general":[39],"purpose":[40],"file":[41,83,117],"I/O":[44,88],"schedulers":[45],"used":[46],"operating":[48],"as":[51,120],"Linux":[52,108],"do":[53],"not":[54],"satisfy":[55],"quality":[57],"service":[59],"(QoS)":[60],"requirements":[61],"necessary":[62],"for":[63,91,128],"efficient":[64],"processing":[65],"real-time":[67,96,129],"streams.":[69,97],"In":[70],"this":[71],"paper,":[72],"we":[73],"introduce":[74],"Audio/Video":[76],"File":[77],"System":[78],"(AVFS)":[79],"composed":[80],"a":[82,86,99,107],"system":[84],"disk":[87],"scheduler":[89],"optimized":[90],"handling":[92],"high":[94],"bit-rate":[95],"Using":[98],"precise":[100],"QoS":[101,126],"measurement":[102],"method,":[103],"evaluation":[104],"results":[105],"implementation":[109],"AVFS":[111,124],"show":[112],"that,":[113],"compared":[114],"traditional":[116],"ext3":[121],"JFS,":[123],"provides":[125],"guarantees":[127],"more":[132],"stable":[133],"performance.":[134]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}