{"id":"https://openalex.org/W2729760045","doi":"https://doi.org/10.1109/access.2017.2716440","title":"Design and Implementation of Security Gateway for Synchrophasor Based Real-Time Control and Monitoring in Smart Grid","display_name":"Design and Implementation of Security Gateway for Synchrophasor Based Real-Time Control and Monitoring in Smart Grid","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W2729760045","doi":"https://doi.org/10.1109/access.2017.2716440","mag":"2729760045"},"language":"en","primary_location":{"id":"doi:10.1109/access.2017.2716440","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2716440","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2017.2716440","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102871982","display_name":"Rafiullah Khan","orcid":"https://orcid.org/0000-0003-1478-1568"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Rafiullah Khan","raw_affiliation_strings":["Queen\u2019s University Belfast, Belfast, U.K","Queen's University Belfast, Belfast, U.K"],"affiliations":[{"raw_affiliation_string":"Queen\u2019s University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027789250","display_name":"Kieran McLaughlin","orcid":"https://orcid.org/0000-0002-1299-2364"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Kieran Mclaughlin","raw_affiliation_strings":["Queen\u2019s University Belfast, Belfast, U.K","Queen's University Belfast, Belfast, U.K"],"affiliations":[{"raw_affiliation_string":"Queen\u2019s University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002744648","display_name":"David Laverty","orcid":"https://orcid.org/0000-0002-5697-0546"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David Laverty","raw_affiliation_strings":["Queen\u2019s University Belfast, Belfast, U.K","Queen's University Belfast, Belfast, U.K"],"affiliations":[{"raw_affiliation_string":"Queen\u2019s University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103745938","display_name":"Sakir Sezer","orcid":null},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sakir Sezer","raw_affiliation_strings":["Queen\u2019s University Belfast, Belfast, U.K","Queen's University Belfast, Belfast, U.K"],"affiliations":[{"raw_affiliation_string":"Queen\u2019s University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102871982"],"corresponding_institution_ids":["https://openalex.org/I126231945"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":3.4656,"has_fulltext":true,"cited_by_count":42,"citation_normalized_percentile":{"value":0.92727652,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"5","issue":null,"first_page":"11626","last_page":"11644"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10917","display_name":"Smart Grid Security and Resilience","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10917","display_name":"Smart Grid Security and Resilience","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11424","display_name":"Security and Verification in Computing","score":0.9850999712944031,"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"}},{"id":"https://openalex.org/T10400","display_name":"Network Security and Intrusion Detection","score":0.9771999716758728,"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/iec-61850","display_name":"IEC 61850","score":0.9358747601509094},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6575175523757935},{"id":"https://openalex.org/keywords/default-gateway","display_name":"Default gateway","score":0.6550746560096741},{"id":"https://openalex.org/keywords/smart-grid","display_name":"Smart grid","score":0.6353043913841248},{"id":"https://openalex.org/keywords/gateway","display_name":"Gateway (web page)","score":0.5941330194473267},{"id":"https://openalex.org/keywords/interoperability","display_name":"Interoperability","score":0.5105172395706177},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.497653990983963},{"id":"https://openalex.org/keywords/phasor","display_name":"Phasor","score":0.46549519896507263},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.44739001989364624},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3983360528945923},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3646087646484375},{"id":"https://openalex.org/keywords/electric-power-system","display_name":"Electric power system","score":0.3315771818161011},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2682746648788452},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.21039775013923645},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.18137091398239136},{"id":"https://openalex.org/keywords/automation","display_name":"Automation","score":0.14351829886436462},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08131125569343567}],"concepts":[{"id":"https://openalex.org/C2778907243","wikidata":"https://www.wikidata.org/wiki/Q168160","display_name":"IEC 61850","level":3,"score":0.9358747601509094},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6575175523757935},{"id":"https://openalex.org/C187713609","wikidata":"https://www.wikidata.org/wiki/Q2465461","display_name":"Default gateway","level":2,"score":0.6550746560096741},{"id":"https://openalex.org/C10558101","wikidata":"https://www.wikidata.org/wiki/Q689855","display_name":"Smart grid","level":2,"score":0.6353043913841248},{"id":"https://openalex.org/C2777710495","wikidata":"https://www.wikidata.org/wiki/Q5527195","display_name":"Gateway (web page)","level":2,"score":0.5941330194473267},{"id":"https://openalex.org/C20136886","wikidata":"https://www.wikidata.org/wiki/Q749647","display_name":"Interoperability","level":2,"score":0.5105172395706177},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.497653990983963},{"id":"https://openalex.org/C176605952","wikidata":"https://www.wikidata.org/wiki/Q827674","display_name":"Phasor","level":4,"score":0.46549519896507263},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.44739001989364624},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3983360528945923},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3646087646484375},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.3315771818161011},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2682746648788452},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.21039775013923645},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.18137091398239136},{"id":"https://openalex.org/C115901376","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automation","level":2,"score":0.14351829886436462},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08131125569343567},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/access.2017.2716440","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2716440","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:pure.qub.ac.uk/portal:openaire/fa4da5a1-c6df-41db-a5dd-6024b84f91b8","is_oa":true,"landing_page_url":"https://pure.qub.ac.uk/en/publications/fa4da5a1-c6df-41db-a5dd-6024b84f91b8","pdf_url":"https://pureadmin.qub.ac.uk/ws/files/132166344/Design_and_Implementation_of_Security_Gateway_for_Synchrophasor_Based_Real_Time_Control_and_Monitoring_in_Smart_Grid.pdf","source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Khan, R, McLaughlin, K, Laverty, D & Sezer, S 2017, 'Design and Implementation of Security Gateway for Synchrophasor based Real-time Control and Monitoring in Smart Grid', IEEE Access, vol. 5, pp. 11626-11644. https://doi.org/10.1109/ACCESS.2017.2716440","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/fa4da5a1-c6df-41db-a5dd-6024b84f91b8","is_oa":true,"landing_page_url":"http://ieeexplore.ieee.org/document/7961134/","pdf_url":"https://pureadmin.qub.ac.uk/ws/files/132166344/Design_and_Implementation_of_Security_Gateway_for_Synchrophasor_Based_Real_Time_Control_and_Monitoring_in_Smart_Grid.pdf","source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Khan , R , McLaughlin , K , Laverty , D & Sezer , S 2017 , ' Design and Implementation of Security Gateway for Synchrophasor based Real-time Control and Monitoring in Smart Grid ' , IEEE Access , vol. 5 , pp. 11626-11644 . https://doi.org/10.1109/ACCESS.2017.2716440","raw_type":"article"},{"id":"pmh:oai:doaj.org/article:f19a325dfadf446abce45b6446549463","is_oa":true,"landing_page_url":"https://doaj.org/article/f19a325dfadf446abce45b6446549463","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 5, Pp 11626-11644 (2017)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2017.2716440","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2716440","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2241406505","display_name":null,"funder_award_id":"EP/R007187/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G4205205259","display_name":null,"funder_award_id":"EP/M002837/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G5445011987","display_name":null,"funder_award_id":"EP/K004379/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G5660835181","display_name":"Converged Approach towards Resilient Industrial control systems and Cyber Assurance (CAPRICA)","funder_award_id":"EP/M002837/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6577499357","display_name":null,"funder_award_id":"EP/N508664/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W29142153","https://openalex.org/W1494154039","https://openalex.org/W1560795310","https://openalex.org/W1601285752","https://openalex.org/W1730762598","https://openalex.org/W1949661937","https://openalex.org/W2009351244","https://openalex.org/W2027439256","https://openalex.org/W2062656822","https://openalex.org/W2063510917","https://openalex.org/W2066469704","https://openalex.org/W2091270719","https://openalex.org/W2094820357","https://openalex.org/W2153268908","https://openalex.org/W2289011413","https://openalex.org/W2337841097","https://openalex.org/W2343433123","https://openalex.org/W2514382028","https://openalex.org/W2514791526","https://openalex.org/W2549702890","https://openalex.org/W2562415914","https://openalex.org/W4232099779","https://openalex.org/W6696358821","https://openalex.org/W6725824424"],"related_works":["https://openalex.org/W2367739416","https://openalex.org/W2352028207","https://openalex.org/W2060186004","https://openalex.org/W2553754225","https://openalex.org/W1518499115","https://openalex.org/W2122599377","https://openalex.org/W2915304347","https://openalex.org/W2080562317","https://openalex.org/W3045301923","https://openalex.org/W2794872059"],"abstract_inverted_index":{"Synchrophasor":[0],"technology":[1],"has":[2,97,121],"numerous":[3],"applications":[4,245],"ranging":[5],"from":[6],"simple":[7],"grid":[8],"monitoring/visualization":[9],"to":[10,40,44,87,104,110,181,216],"real-time":[11],"protection":[12],"and":[13,21,89,124,134,139,159,184,187,214,249],"control.":[14],"Most":[15],"legacy":[16,77,138],"phasor":[17,22,141],"measurement":[18],"units":[19],"(PMUs)":[20],"data":[23,112,250],"concentrators":[24],"(PDCs)":[25],"deployed":[26,218],"in":[27,67,79,101,113,157,207,219],"power":[28,80,220],"grids":[29,81],"support":[30,60],"the":[31,102,118,144,234,237],"IEEE":[32,106,179],"C37.118.2":[33,107,180],"communication":[34,57],"framework,":[35],"which":[36],"is":[37,70,82,153,204],"highly":[38],"vulnerable":[39],"cyber":[41],"attacks":[42],"due":[43,86],"lack":[45],"of":[46,76,94,146,197,236,243],"inherent":[47],"security":[48,62,127,148,151,189,199,202,238],"mechanisms.":[49],"The":[50,74,92,150,201],"IEC":[51,114,182,193],"61850-90-5":[52,115,183],"recently":[53,98],"emerged":[54],"as":[55,165,167],"new":[56],"framework":[58],"with":[59,155,226,246],"for":[61,163,240],"features":[63,123],"but":[64],"its":[65],"use":[66],"commercial":[68],"devices":[69,142],"still":[71],"very":[72,205],"limited.":[73],"replacement":[75],"PMUs/PDCs":[78],"a":[83,95,147],"big":[84],"challenge":[85],"cost":[88],"deployment":[90],"complexity.":[91],"concept":[93],"gateway":[96,120,152,203,239],"been":[99],"proposed":[100],"literature":[103],"enable":[105],"compatible":[108],"PMUs":[109,164],"send":[111],"format.":[116],"However,":[117],"published":[119],"limited":[122],"also":[125,232],"lacks":[126],"functionalities.":[128],"This":[129],"paper":[130,231],"addresses":[131],"security,":[132],"interoperability,":[133],"integration":[135],"issues":[136],"between":[137],"state-of-the-art":[140],"through":[143],"design":[145],"gateway.":[149],"implemented":[154],"flexibility":[156],"mind":[158],"can":[160],"be":[161,217],"used":[162],"well":[166],"PDCs":[168],"under":[169],"different":[170,241],"configurations.":[171],"It":[172],"provides:":[173],"1)":[174],"protocol":[175],"conversion":[176],"functionalities":[177,190],"(from":[178],"vice":[185],"versa)":[186],"2)":[188],"based":[191,209],"on":[192,210],"recommended":[194],"group":[195],"domain":[196],"interpretation":[198],"mechanism.":[200],"compact":[206],"size,":[208],"low-power":[211],"ARM":[212],"processor":[213],"inexpensive":[215],"systems.":[221],"Through":[222],"detailed":[223],"experimental":[224],"evaluation":[225],"real":[227],"PMU":[228],"data,":[229],"this":[230],"validated":[233],"suitability":[235],"types":[242],"synchrophasor":[244],"strict":[247],"latency":[248],"rate":[251],"requirements.":[252]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":1}],"updated_date":"2026-04-16T15:07:20.185449","created_date":"2025-10-10T00:00:00"}