{"id":"https://openalex.org/W2293400623","doi":"https://doi.org/10.1587/elex.12.20150976","title":"Bitmap discard operation for the higher utilization of flash memory storage","display_name":"Bitmap discard operation for the higher utilization of flash memory storage","publication_year":2015,"publication_date":"2015-12-21","ids":{"openalex":"https://openalex.org/W2293400623","doi":"https://doi.org/10.1587/elex.12.20150976","mag":"2293400623"},"language":"en","primary_location":{"id":"doi:10.1587/elex.12.20150976","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150976","pdf_url":"https://www.jstage.jst.go.jp/article/elex/13/2/13_12.20150976/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/elex/13/2/13_12.20150976/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076331822","display_name":"Seung\u2010Ho Lim","orcid":"https://orcid.org/0000-0003-3096-0785"},"institutions":[{"id":"https://openalex.org/I83436808","display_name":"Hankuk University of Foreign Studies","ror":"https://ror.org/051q2m369","country_code":"KR","type":"education","lineage":["https://openalex.org/I83436808"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seung-Ho Lim","raw_affiliation_strings":["Division of Computer and Electronic Systems Engineering, Hankuk University of Foreign Studies"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Computer and Electronic Systems Engineering, Hankuk University of Foreign Studies","institution_ids":["https://openalex.org/I83436808"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057079808","display_name":"Woo Hyun Ahn","orcid":"https://orcid.org/0000-0003-0803-9973"},"institutions":[{"id":"https://openalex.org/I161024014","display_name":"Kwangwoon University","ror":"https://ror.org/02e9zc863","country_code":"KR","type":"education","lineage":["https://openalex.org/I161024014"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Woo Hyun Ahn","raw_affiliation_strings":["Department of Computer Science, Kwangwoon University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Kwangwoon University","institution_ids":["https://openalex.org/I161024014"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17079399,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"2","first_page":"20150976","last_page":"20150976"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9876000285148621,"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":0.9677000045776367,"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/bitmap","display_name":"Bitmap","score":0.8345568180084229},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8092091083526611},{"id":"https://openalex.org/keywords/flash-file-system","display_name":"Flash file system","score":0.7033021450042725},{"id":"https://openalex.org/keywords/flash","display_name":"Flash (photography)","score":0.629692554473877},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6082139015197754},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5424694418907166},{"id":"https://openalex.org/keywords/flash-memory","display_name":"Flash memory","score":0.5349503755569458},{"id":"https://openalex.org/keywords/nand-gate","display_name":"NAND gate","score":0.4697209894657135},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.464966356754303},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.4608428478240967},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.400213360786438},{"id":"https://openalex.org/keywords/computer-memory","display_name":"Computer memory","score":0.2177027463912964},{"id":"https://openalex.org/keywords/logic-gate","display_name":"Logic gate","score":0.16782355308532715},{"id":"https://openalex.org/keywords/semiconductor-memory","display_name":"Semiconductor memory","score":0.13430863618850708},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11829671263694763},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.0791044533252716}],"concepts":[{"id":"https://openalex.org/C3115412","wikidata":"https://www.wikidata.org/wiki/Q1194708","display_name":"Bitmap","level":2,"score":0.8345568180084229},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8092091083526611},{"id":"https://openalex.org/C27670709","wikidata":"https://www.wikidata.org/wiki/Q5457555","display_name":"Flash file system","level":4,"score":0.7033021450042725},{"id":"https://openalex.org/C2777526259","wikidata":"https://www.wikidata.org/wiki/Q221836","display_name":"Flash (photography)","level":2,"score":0.629692554473877},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6082139015197754},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5424694418907166},{"id":"https://openalex.org/C2776531357","wikidata":"https://www.wikidata.org/wiki/Q174077","display_name":"Flash memory","level":2,"score":0.5349503755569458},{"id":"https://openalex.org/C124296912","wikidata":"https://www.wikidata.org/wiki/Q575178","display_name":"NAND gate","level":3,"score":0.4697209894657135},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.464966356754303},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.4608428478240967},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.400213360786438},{"id":"https://openalex.org/C92855701","wikidata":"https://www.wikidata.org/wiki/Q5830907","display_name":"Computer memory","level":3,"score":0.2177027463912964},{"id":"https://openalex.org/C131017901","wikidata":"https://www.wikidata.org/wiki/Q170451","display_name":"Logic gate","level":2,"score":0.16782355308532715},{"id":"https://openalex.org/C98986596","wikidata":"https://www.wikidata.org/wiki/Q1143031","display_name":"Semiconductor memory","level":2,"score":0.13430863618850708},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11829671263694763},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0791044533252716},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/elex.12.20150976","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150976","pdf_url":"https://www.jstage.jst.go.jp/article/elex/13/2/13_12.20150976/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/elex.12.20150976","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150976","pdf_url":"https://www.jstage.jst.go.jp/article/elex/13/2/13_12.20150976/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2293400623.pdf","grobid_xml":"https://content.openalex.org/works/W2293400623.grobid-xml"},"referenced_works_count":5,"referenced_works":["https://openalex.org/W2021107498","https://openalex.org/W2146822303","https://openalex.org/W2292299331","https://openalex.org/W2319089899","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2361741822","https://openalex.org/W2054139911","https://openalex.org/W164278522","https://openalex.org/W1577524679","https://openalex.org/W2606330551","https://openalex.org/W2101851311","https://openalex.org/W2386432552","https://openalex.org/W1994190181","https://openalex.org/W4230869547","https://openalex.org/W2378293894"],"abstract_inverted_index":{"NAND":[0],"Flash":[1,22,31,51],"memory":[2],"storage":[3],"is":[4,42],"widely":[5],"used":[6],"in":[7,21,50],"computing":[8],"systems.":[9],"In":[10,80],"General,":[11],"there":[12],"exists":[13],"mismatch":[14],"between":[15],"logical":[16],"address":[17,20,26],"and":[18,24],"physical":[19],"storage,":[23],"these":[25],"translations":[27],"are":[28],"managed":[29],"by":[30,68],"Translation":[32],"Layer":[33],"(FTL).":[34],"Due":[35],"to":[36,99],"its":[37],"management,":[38],"logically":[39,62],"invalid":[40,63],"data":[41],"considered":[43],"as":[44],"physically":[45,58],"valid":[46,59],"at":[47,111],"some":[48],"parts":[49],"device,":[52],"which":[53,89],"causes":[54],"additional":[55],"overhead.":[56],"The":[57],"area":[60,64],"being":[61],"can":[65,90,107],"be":[66,108],"invalidated":[67],"TRIM":[69],"or":[70],"discard":[71,76,87,96,114],"command,":[72],"however,":[73],"too":[74],"many":[75],"commands":[77],"degrade":[78],"throughput.":[79],"this":[81],"paper,":[82],"we":[83],"propose":[84],"a":[85],"bitmap-based":[86,113],"operation":[88],"decrease":[91],"the":[92,100],"number":[93],"of":[94,104],"runtime":[95],"commands.":[97],"According":[98],"proposed":[101],"scheme,":[102],"hundreds":[103],"separated":[105],"region":[106],"discarded":[109],"all":[110],"one":[112],"command.":[115]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2025-10-10T00:00:00"}
