{"id":"https://openalex.org/W3186243789","doi":"https://doi.org/10.3390/rs13132559","title":"DLR HySU\u2014A Benchmark Dataset for Spectral Unmixing","display_name":"DLR HySU\u2014A Benchmark Dataset for Spectral Unmixing","publication_year":2021,"publication_date":"2021-06-30","ids":{"openalex":"https://openalex.org/W3186243789","doi":"https://doi.org/10.3390/rs13132559","mag":"3186243789"},"language":"en","primary_location":{"id":"doi:10.3390/rs13132559","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132559","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2559/pdf","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/13/2559/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089509014","display_name":"Daniele Cerra","orcid":"https://orcid.org/0000-0003-2984-8315"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Daniele Cerra","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056517784","display_name":"Miguel Pato","orcid":"https://orcid.org/0000-0003-0111-0861"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Miguel Pato","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013475740","display_name":"Kevin Alonso","orcid":"https://orcid.org/0000-0003-2469-8290"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kevin Alonso","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055351971","display_name":"Claas K\u00f6hler","orcid":"https://orcid.org/0000-0003-0127-935X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Claas K\u00f6hler","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078189857","display_name":"Mathias Schneider","orcid":"https://orcid.org/0000-0001-6698-3781"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mathias Schneider","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081106518","display_name":"R. de los Reyes","orcid":"https://orcid.org/0000-0003-0485-9552"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Raquel de los Reyes","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114374255","display_name":"E. Carmona","orcid":"https://orcid.org/0009-0008-8998-7310"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Emiliano Carmona","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038460557","display_name":"Rudolf Richter","orcid":"https://orcid.org/0000-0002-8499-4780"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rudolf Richter","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020996505","display_name":"Franz Kurz","orcid":"https://orcid.org/0000-0003-1718-0004"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Franz Kurz","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052386553","display_name":"Peter Reinartz","orcid":"https://orcid.org/0000-0002-8122-1475"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Peter Reinartz","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031487450","display_name":"Rupert M\u00fcller","orcid":"https://orcid.org/0000-0002-3288-5814"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rupert M\u00fcller","raw_affiliation_strings":["Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, DLR, Oberpfaffenhofen, 82234 We\u00dfling, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5089509014"],"corresponding_institution_ids":[],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":1839,"currency":"EUR","value_usd":1983},"fwci":1.0081,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.79196189,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"13","issue":"13","first_page":"2559","last_page":"2559"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9868999719619751,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12389","display_name":"Infrared Target Detection Methodologies","score":0.9837999939918518,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/endmember","display_name":"Endmember","score":0.960099458694458},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9226617217063904},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.7895834445953369},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6835896968841553},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.679695725440979},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5543503165245056},{"id":"https://openalex.org/keywords/imaging-spectrometer","display_name":"Imaging spectrometer","score":0.5367565751075745},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.48443344235420227},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43886011838912964},{"id":"https://openalex.org/keywords/abundance-estimation","display_name":"Abundance estimation","score":0.41503196954727173},{"id":"https://openalex.org/keywords/spectrometer","display_name":"Spectrometer","score":0.4051729142665863},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1436910331249237},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.09661427140235901},{"id":"https://openalex.org/keywords/abundance","display_name":"Abundance (ecology)","score":0.08382713794708252}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.960099458694458},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9226617217063904},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.7895834445953369},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6835896968841553},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.679695725440979},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5543503165245056},{"id":"https://openalex.org/C183852935","wikidata":"https://www.wikidata.org/wiki/Q6002848","display_name":"Imaging spectrometer","level":3,"score":0.5367565751075745},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.48443344235420227},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43886011838912964},{"id":"https://openalex.org/C2778514742","wikidata":"https://www.wikidata.org/wiki/Q16245026","display_name":"Abundance estimation","level":3,"score":0.41503196954727173},{"id":"https://openalex.org/C33390570","wikidata":"https://www.wikidata.org/wiki/Q188463","display_name":"Spectrometer","level":2,"score":0.4051729142665863},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1436910331249237},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.09661427140235901},{"id":"https://openalex.org/C77077793","wikidata":"https://www.wikidata.org/wiki/Q336019","display_name":"Abundance (ecology)","level":2,"score":0.08382713794708252},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs13132559","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132559","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2559/pdf","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:elib.dlr.de:144443","is_oa":false,"landing_page_url":"https://doi.org/10.3390/rs13132559>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"},{"id":"pmh:oai:doaj.org/article:de27b5cb690844d2af4f8390a5e80cde","is_oa":true,"landing_page_url":"https://doaj.org/article/de27b5cb690844d2af4f8390a5e80cde","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":"Remote Sensing, Vol 13, Iss 13, p 2559 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/13/2559/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13132559","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Remote Sensing; Volume 13; Issue 13; Pages: 2559","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13132559","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132559","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2559/pdf","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.41999998688697815}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3186243789.pdf","grobid_xml":"https://content.openalex.org/works/W3186243789.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W198901487","https://openalex.org/W1963659868","https://openalex.org/W1976615758","https://openalex.org/W2005876975","https://openalex.org/W2011315899","https://openalex.org/W2012592186","https://openalex.org/W2028425232","https://openalex.org/W2060403006","https://openalex.org/W2070424424","https://openalex.org/W2089433206","https://openalex.org/W2099703033","https://openalex.org/W2101234009","https://openalex.org/W2101837437","https://openalex.org/W2112447569","https://openalex.org/W2113339475","https://openalex.org/W2125298866","https://openalex.org/W2127218421","https://openalex.org/W2134213291","https://openalex.org/W2135046866","https://openalex.org/W2145022512","https://openalex.org/W2153885347","https://openalex.org/W2157321686","https://openalex.org/W2163547919","https://openalex.org/W2163886442","https://openalex.org/W2167801938","https://openalex.org/W2170395949","https://openalex.org/W2305655979","https://openalex.org/W2422278448","https://openalex.org/W2514046700","https://openalex.org/W2552447495","https://openalex.org/W2606306511","https://openalex.org/W2782517596","https://openalex.org/W2791725003","https://openalex.org/W2882987173","https://openalex.org/W2980322467","https://openalex.org/W2991135466","https://openalex.org/W3095467962","https://openalex.org/W3095858594","https://openalex.org/W3112473741","https://openalex.org/W4233760599","https://openalex.org/W4250142595","https://openalex.org/W6653329865","https://openalex.org/W6657431562","https://openalex.org/W6675354045","https://openalex.org/W6676727762"],"related_works":["https://openalex.org/W2037328426","https://openalex.org/W3106536224","https://openalex.org/W1988881499","https://openalex.org/W1990914742","https://openalex.org/W2081682213","https://openalex.org/W2006559622","https://openalex.org/W4379116984","https://openalex.org/W240039221","https://openalex.org/W2127934268","https://openalex.org/W4363620344"],"abstract_inverted_index":{"Spectral":[0],"unmixing":[1,42,98,151,172],"represents":[2],"both":[3],"an":[4],"application":[5],"per":[6],"se":[7],"and":[8,37,71,79,106,111,162,173],"a":[9,25,92],"pre-processing":[10],"step":[11],"for":[12,34,119,149,170],"several":[13],"applications":[14],"involving":[15],"data":[16,31,141],"acquired":[17,57],"by":[18,82],"imaging":[19,139],"spectrometers.":[20],"However,":[21],"there":[22],"is":[23,133,158,165],"still":[24],"lack":[26],"of":[27,39,74,76,95,121,129],"publicly":[28],"available":[29,148,160],"reference":[30],"sets":[32],"suitable":[33],"the":[35,49,127,134,163],"validation":[36],"comparison":[38],"different":[40,77],"spectral":[41,97,171],"methods.":[43],"In":[44],"this":[45,132],"paper,":[46],"we":[47],"introduce":[48],"DLR":[50,88,154],"HyperSpectral":[51],"Unmixing":[52],"(DLR":[53],"HySU)":[54],"benchmark":[55,90,156],"dataset,":[56],"over":[58],"German":[59],"Aerospace":[60],"Center":[61],"(DLR)":[62],"premises":[63],"in":[64],"Oberpfaffenhofen.":[65],"The":[66,87,153],"dataset":[67,157],"includes":[68],"airborne":[69],"hyperspectral":[70,150],"RGB":[72],"imagery":[73],"targets":[75,145],"materials":[78],"sizes,":[80],"complemented":[81],"simultaneous":[83],"ground-based":[84],"reflectance":[85],"measurements.":[86],"HySU":[89,155],"allows":[91],"separate":[93],"assessment":[94],"all":[96],"main":[99],"steps:":[100],"dimensionality":[101],"estimation,":[102],"endmember":[103],"extraction":[104],"(with":[105],"without":[107],"pure":[108],"pixel":[109],"assumption),":[110],"abundance":[112],"estimation.":[113],"Results":[114],"obtained":[115],"with":[116,142],"traditional":[117],"algorithms":[118],"each":[120],"these":[122],"steps":[123],"are":[124,146],"reported.":[125],"To":[126],"best":[128],"our":[130],"knowledge,":[131],"first":[135],"time":[136],"that":[137],"real":[138],"spectrometer":[140],"accurately":[143],"measured":[144],"made":[147],"experiments.":[152],"openly":[159],"online":[161],"community":[164],"welcome":[166],"to":[167],"use":[168],"it":[169],"other":[174],"applications.":[175]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}