{"id":"https://openalex.org/W2996709121","doi":"https://doi.org/10.1109/iscc47284.2019.8969575","title":"A Routing Metric for Inter-flow Interference-aware Flying Multi-hop Networks","display_name":"A Routing Metric for Inter-flow Interference-aware Flying Multi-hop Networks","publication_year":2019,"publication_date":"2019-06-01","ids":{"openalex":"https://openalex.org/W2996709121","doi":"https://doi.org/10.1109/iscc47284.2019.8969575","mag":"2996709121"},"language":"en","primary_location":{"id":"doi:10.1109/iscc47284.2019.8969575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc47284.2019.8969575","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Symposium on Computers and Communications (ISCC)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1912.07932","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076252117","display_name":"Andr\u00e9 Coelho","orcid":"https://orcid.org/0000-0003-4910-4567"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Andre Coelho","raw_affiliation_strings":["INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089694103","display_name":"Eduardo Nuno Almeida","orcid":"https://orcid.org/0000-0001-9981-9574"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Eduardo Nuno Almeida","raw_affiliation_strings":["INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108294536","display_name":"Jos\u00e9 Ruela","orcid":null},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jose Ruela","raw_affiliation_strings":["INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042847095","display_name":"Rui Campos","orcid":"https://orcid.org/0000-0001-9419-6670"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Rui Campos","raw_affiliation_strings":["INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054470359","display_name":"Manuel Ricardo","orcid":"https://orcid.org/0000-0003-1969-958X"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Manuel Ricardo","raw_affiliation_strings":["INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculdade de Engenharia, Universidade do Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Universidade do Porto,INESC TEC and Faculdade de Engenharia,Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]}]}],"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":0.20356203,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10246","display_name":"Mobile Ad Hoc Networks","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/T10246","display_name":"Mobile Ad Hoc Networks","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/T11133","display_name":"UAV Applications and Optimization","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9977999925613403,"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":0.7012609243392944},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6998170614242554},{"id":"https://openalex.org/keywords/metrics","display_name":"Metrics","score":0.6034640669822693},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.5617710947990417},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.435529887676239},{"id":"https://openalex.org/keywords/static-routing","display_name":"Static routing","score":0.43364134430885315},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.4329517185688019},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4216616153717041},{"id":"https://openalex.org/keywords/routing-protocol","display_name":"Routing protocol","score":0.3775738477706909},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36078041791915894},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17901134490966797},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12695226073265076}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7012609243392944},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6998170614242554},{"id":"https://openalex.org/C195780805","wikidata":"https://www.wikidata.org/wiki/Q1535986","display_name":"Metrics","level":5,"score":0.6034640669822693},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.5617710947990417},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.435529887676239},{"id":"https://openalex.org/C204948658","wikidata":"https://www.wikidata.org/wiki/Q1119410","display_name":"Static routing","level":4,"score":0.43364134430885315},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.4329517185688019},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4216616153717041},{"id":"https://openalex.org/C104954878","wikidata":"https://www.wikidata.org/wiki/Q1648707","display_name":"Routing protocol","level":3,"score":0.3775738477706909},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36078041791915894},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17901134490966797},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12695226073265076},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/iscc47284.2019.8969575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc47284.2019.8969575","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Symposium on Computers and Communications (ISCC)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:1912.07932","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1912.07932","pdf_url":"https://arxiv.org/pdf/1912.07932","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2996709121","is_oa":true,"landing_page_url":"http://export.arxiv.org/pdf/1912.07932","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.1912.07932","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1912.07932","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1912.07932","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1912.07932","pdf_url":"https://arxiv.org/pdf/1912.07932","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.6399999856948853}],"awards":[{"id":"https://openalex.org/G1167214205","display_name":null,"funder_award_id":"COMPETE","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G1516346500","display_name":null,"funder_award_id":"01-0145","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G1578237752","display_name":null,"funder_award_id":"COMPETE","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G1763632427","display_name":null,"funder_award_id":"POCI-01-0145","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G1959455259","display_name":null,"funder_award_id":"SFRH/BD/137255/2018","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G274581676","display_name":null,"funder_award_id":"POCI-01","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G298851772","display_name":null,"funder_award_id":"UID/EEA/50014/2019","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3244141788","display_name":null,"funder_award_id":"50014","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3491971210","display_name":null,"funder_award_id":"COMPETE 2020","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G4176497637","display_name":null,"funder_award_id":"COMPETE 2020","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G4455079242","display_name":null,"funder_award_id":"POCI-01-","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G5224927334","display_name":null,"funder_award_id":"POCI-01-","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G7085902490","display_name":null,"funder_award_id":"POCI-01-0145-FEDER-016744","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G8862270368","display_name":null,"funder_award_id":"POCI-01-0145-FEDER","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G8884816653","display_name":null,"funder_award_id":"POCI-01-0145-FEDER","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"}],"funders":[{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2996709121.pdf","grobid_xml":"https://content.openalex.org/works/W2996709121.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1557499844","https://openalex.org/W1571251303","https://openalex.org/W2004244301","https://openalex.org/W2041248965","https://openalex.org/W2079941443","https://openalex.org/W2091169407","https://openalex.org/W2101771805","https://openalex.org/W2148135143","https://openalex.org/W2167892048","https://openalex.org/W2342656438","https://openalex.org/W2602916992","https://openalex.org/W2773725776","https://openalex.org/W2808307601","https://openalex.org/W2907772497","https://openalex.org/W3160060809","https://openalex.org/W4244778151","https://openalex.org/W6634110669","https://openalex.org/W6670320862","https://openalex.org/W6675275259"],"related_works":[],"abstract_inverted_index":{"The":[0,67],"growing":[1],"demand":[2],"for":[3,20,126],"broadband":[4],"communications":[5],"anytime,":[6],"anywhere":[7],"has":[8],"paved":[9],"the":[10,13,31,37,59,65,75,85,92,103,143,155,168,173,192],"way":[11],"to":[12,56,83],"usage":[14,38],"of":[15,33,39,61,105,114,145,158,182,191],"Unmanned":[16],"Aerial":[17],"Vehicles":[18],"(UAVs)":[19],"providing":[21],"Internet":[22],"access":[23],"in":[24,44,54,71,129,160,167,180],"areas":[25],"without":[26],"network":[27,52,110],"infrastructure":[28],"and":[29,101,141,184],"enhancing":[30],"performance":[32],"existing":[34],"networks.":[35],"However,":[36],"Flying":[40],"Multi-hop":[41],"Networks":[42],"(FMNs)":[43],"such":[45],"scenarios":[46],"brings":[47],"up":[48],"significant":[49,178],"challenges":[50],"concerning":[51],"routing,":[53],"order":[55],"permanently":[57],"provide":[58],"Quality":[60],"Service":[62],"expected":[63],"by":[64,80,152],"users.":[66],"problem":[68],"is":[69,98,117],"exacerbated":[70],"crowded":[72],"events,":[73],"where":[74],"FMN":[76],"may":[77],"be":[78],"formed":[79,151],"many":[81],"UAVs":[82,153],"address":[84],"traffic":[86],"demand,":[87],"causing":[88],"inter-flow":[89,96,119,165],"interference":[90,97,166],"within":[91],"FMN.":[93,169],"Typically,":[94],"estimating":[95],"not":[99,136],"straightforward":[100],"requires":[102],"exchange":[104],"probe":[106],"packets,":[107],"thus":[108,163],"increasing":[109],"overhead.The":[111],"main":[112],"contribution":[113],"this":[115],"paper":[116],"an":[118],"interference-aware":[120],"routing":[121,128,194],"metric,":[122],"named":[123],"I2R,":[124],"designed":[125],"centralized":[127],"FMNs":[130],"with":[131,147,154,177,189],"controllable":[132],"topology.":[133],"I2R":[134,174],"does":[135],"require":[137],"any":[138],"control":[139],"packets":[140],"enables":[142],"configuration":[144],"paths":[146],"minimal":[148],"Euclidean":[149],"distance":[150],"lowest":[156],"number":[157],"neighbors":[159],"carrier-sense":[161],"range,":[162],"minimizing":[164],"Simulation":[170],"results":[171],"show":[172],"superior":[175],"performance,":[176],"gains":[179],"terms":[181],"throughput":[183],"end-to-end":[185],"delay,":[186],"when":[187],"compared":[188],"state":[190],"art":[193],"metrics.":[195]},"counts_by_year":[],"updated_date":"2026-07-08T08:33:18.762332","created_date":"2025-10-10T00:00:00"}