{"id":"https://openalex.org/W2959824742","doi":"https://doi.org/10.3390/rs11141655","title":"GNSS-R Soil Moisture Retrieval Based on a XGboost Machine Learning Aided Method: Performance and Validation","display_name":"GNSS-R Soil Moisture Retrieval Based on a XGboost Machine Learning Aided Method: Performance and Validation","publication_year":2019,"publication_date":"2019-07-11","ids":{"openalex":"https://openalex.org/W2959824742","doi":"https://doi.org/10.3390/rs11141655","mag":"2959824742"},"language":"en","primary_location":{"id":"doi:10.3390/rs11141655","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11141655","pdf_url":"https://www.mdpi.com/2072-4292/11/14/1655/pdf?version=1562844569","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/2072-4292/11/14/1655/pdf?version=1562844569","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045006366","display_name":"Yan Jia","orcid":"https://orcid.org/0000-0002-8282-8105"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210087374","display_name":"Nanjing Health and Health Commission","ror":"https://ror.org/0067hwx77","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210087374"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yan Jia","raw_affiliation_strings":["Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China"],"affiliations":[{"raw_affiliation_string":"Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China","institution_ids":["https://openalex.org/I4210087374"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052926185","display_name":"Shuanggen Jin","orcid":"https://orcid.org/0000-0002-5108-4828"},"institutions":[{"id":"https://openalex.org/I200845125","display_name":"Nanjing University of Information Science and Technology","ror":"https://ror.org/02y0rxk19","country_code":"CN","type":"education","lineage":["https://openalex.org/I200845125"]},{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuanggen Jin","raw_affiliation_strings":["School of Remote Sensing and Geomatics Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China","Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"affiliations":[{"raw_affiliation_string":"School of Remote Sensing and Geomatics Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China","institution_ids":["https://openalex.org/I200845125"]},{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051657485","display_name":"Patrizia Savi","orcid":"https://orcid.org/0000-0001-9585-310X"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Patrizia Savi","raw_affiliation_strings":["Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008576997","display_name":"Yun Gao","orcid":"https://orcid.org/0000-0002-9694-0907"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yun Gao","raw_affiliation_strings":["Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"affiliations":[{"raw_affiliation_string":"Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077270486","display_name":"Jing Tang","orcid":"https://orcid.org/0000-0002-0785-707X"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Tang","raw_affiliation_strings":["Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"affiliations":[{"raw_affiliation_string":"Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087953918","display_name":"Yixiang Chen","orcid":"https://orcid.org/0000-0001-8596-7963"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210087374","display_name":"Nanjing Health and Health Commission","ror":"https://ror.org/0067hwx77","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210087374"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yixiang Chen","raw_affiliation_strings":["Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China"],"affiliations":[{"raw_affiliation_string":"Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China","institution_ids":["https://openalex.org/I4210087374"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059022840","display_name":"Wenmei Li","orcid":"https://orcid.org/0000-0002-1108-0507"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210087374","display_name":"Nanjing Health and Health Commission","ror":"https://ror.org/0067hwx77","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210087374"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenmei Li","raw_affiliation_strings":["Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China"],"affiliations":[{"raw_affiliation_string":"Department of Surveying and Geoinformatics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China","institution_ids":["https://openalex.org/I4210087374"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5045006366"],"corresponding_institution_ids":["https://openalex.org/I41198531","https://openalex.org/I4210087374"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":5.8254,"has_fulltext":true,"cited_by_count":114,"citation_normalized_percentile":{"value":0.9679652,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"11","issue":"14","first_page":"1655","last_page":"1655"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T10716","display_name":"Soil and Unsaturated Flow","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9866999983787537,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.8022016882896423},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6945263147354126},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.6123121380805969},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5820025205612183},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.5519553422927856},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5393038392066956},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.2527797818183899},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.24541673064231873},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.09448304772377014}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.8022016882896423},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6945263147354126},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.6123121380805969},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5820025205612183},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.5519553422927856},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5393038392066956},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2527797818183899},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.24541673064231873},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.09448304772377014},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs11141655","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11141655","pdf_url":"https://www.mdpi.com/2072-4292/11/14/1655/pdf?version=1562844569","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:doaj.org/article:f77bf57dca864b43ba98db5397c630dd","is_oa":true,"landing_page_url":"https://doaj.org/article/f77bf57dca864b43ba98db5397c630dd","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 11, Iss 14, p 1655 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/11/14/1655/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs11141655","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 11; Issue 14; Pages: 1655","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs11141655","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11141655","pdf_url":"https://www.mdpi.com/2072-4292/11/14/1655/pdf?version=1562844569","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":[{"score":0.5299999713897705,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1449277147","display_name":null,"funder_award_id":"BK201708","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G163824254","display_name":null,"funder_award_id":"201807","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1679918551","display_name":null,"funder_award_id":"218085","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G2030376154","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G276099327","display_name":null,"funder_award_id":"201708","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3690574149","display_name":null,"funder_award_id":"41401480","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3910829908","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G5641397543","display_name":null,"funder_award_id":"201708","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6185815230","display_name":null,"funder_award_id":"BK20180765","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G6806802732","display_name":null,"funder_award_id":"BK2018","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G7456010367","display_name":null,"funder_award_id":"BK20170897","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8450235898","display_name":null,"funder_award_id":"NUPTSF","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G894746288","display_name":null,"funder_award_id":"217152","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"}],"funders":[{"id":"https://openalex.org/F4320313985","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323268","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34"},{"id":"https://openalex.org/F4320324852","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2959824742.pdf","grobid_xml":"https://content.openalex.org/works/W2959824742.grobid-xml"},"referenced_works_count":59,"referenced_works":["https://openalex.org/W1513661347","https://openalex.org/W1577414714","https://openalex.org/W1657789939","https://openalex.org/W1658490829","https://openalex.org/W1678356000","https://openalex.org/W1840723247","https://openalex.org/W1898704524","https://openalex.org/W1976342917","https://openalex.org/W1988050671","https://openalex.org/W1995167593","https://openalex.org/W1998742682","https://openalex.org/W2015251519","https://openalex.org/W2017225104","https://openalex.org/W2030209988","https://openalex.org/W2034505768","https://openalex.org/W2036393665","https://openalex.org/W2037280841","https://openalex.org/W2038949129","https://openalex.org/W2039367950","https://openalex.org/W2044927495","https://openalex.org/W2055655489","https://openalex.org/W2069756757","https://openalex.org/W2072190036","https://openalex.org/W2090745982","https://openalex.org/W2104968029","https://openalex.org/W2107580583","https://openalex.org/W2125513050","https://openalex.org/W2125833658","https://openalex.org/W2143234102","https://openalex.org/W2151441590","https://openalex.org/W2159223272","https://openalex.org/W2232192374","https://openalex.org/W2238251425","https://openalex.org/W2295598076","https://openalex.org/W2296018493","https://openalex.org/W2308425384","https://openalex.org/W2340574333","https://openalex.org/W2344515391","https://openalex.org/W2501519566","https://openalex.org/W2556014430","https://openalex.org/W2560452920","https://openalex.org/W2563598428","https://openalex.org/W2593231314","https://openalex.org/W2606665849","https://openalex.org/W2743680082","https://openalex.org/W2745135761","https://openalex.org/W2773816055","https://openalex.org/W2792986592","https://openalex.org/W2795411881","https://openalex.org/W2802220396","https://openalex.org/W2805557887","https://openalex.org/W2807836695","https://openalex.org/W2888894951","https://openalex.org/W2900400395","https://openalex.org/W2900605310","https://openalex.org/W2904855368","https://openalex.org/W2911360762","https://openalex.org/W2933154585","https://openalex.org/W2953037715"],"related_works":["https://openalex.org/W4386936491","https://openalex.org/W3007931018","https://openalex.org/W3110195467","https://openalex.org/W3033823235","https://openalex.org/W2881093137","https://openalex.org/W4391128647","https://openalex.org/W4384916587","https://openalex.org/W2163330330","https://openalex.org/W2803457939","https://openalex.org/W1885452192"],"abstract_inverted_index":{"Global":[0],"navigation":[1],"satellite":[2],"system":[3],"(GNSS)-reflectometry":[4],"is":[5,183],"a":[6,104,141],"type":[7],"of":[8,41,52,62,82,96,119,129,148,166,176],"remote":[9,120],"sensing":[10,121],"technology":[11],"and":[12,43,56,79,122,162,188,198],"can":[13,158,189],"be":[14,160],"applied":[15],"to":[16,38,125],"soil":[17,24,65,74,136,179],"moisture":[18,25,66,137,180],"retrieval.":[19,138,181],"Until":[20],"now,":[21],"various":[22],"GNSS-R":[23,64,135,178,196],"retrieval":[26,44,67],"methods":[27],"have":[28],"been":[29],"reported.":[30],"However,":[31],"there":[32],"still":[33],"exist":[34],"some":[35,170],"problems":[36],"due":[37],"the":[39,49,53,60,80,83,89,94,111,117,127,130,134,145,155,167,174,177,194],"complexity":[40],"modeling":[42],"process,":[45,68],"as":[46,48,101],"well":[47],"extreme":[50],"uncertainty":[51],"experimental":[54,171],"environment":[55],"equipment.":[57],"To":[58],"investigate":[59,126],"behavior":[61,175],"bistatic":[63],"two":[69],"ground-truth":[70,149],"measurements":[71],"with":[72,144,192],"different":[73],"conditions":[75],"were":[76],"carried":[77],"out":[78],"performance":[81],"input":[84,131,156],"variables":[85,132],"was":[86,99],"analyzed":[87],"from":[88],"mathematical":[90],"statistical":[91,146],"aspect.":[92],"Moreover,":[93],"feature":[95],"XGBoost":[97,112],"method":[98,113],"utilized":[100],"well.":[102],"As":[103],"recently":[105],"developed":[106],"ensemble":[107],"machine":[108],"learning":[109],"method,":[110],"just":[114],"emerged":[115],"for":[116,154],"classification":[118],"geographic":[123],"data,":[124],"characterization":[128],"in":[133],"It":[139,182],"showed":[140],"good":[142],"correlation":[143],"analysis":[147],"measurements.":[150],"The":[151,164],"variable":[152],"contributions":[153],"data":[157],"also":[159,190],"seen":[161],"evaluated.":[163],"study":[165],"paper":[168],"provides":[169],"insights":[172],"into":[173],"worthwhile":[184],"before":[185],"establishing":[186],"models":[187],"help":[191],"understanding":[193],"underlying":[195],"phenomena":[197],"interpreting":[199],"data.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":25},{"year":2023,"cited_by_count":19},{"year":2022,"cited_by_count":22},{"year":2021,"cited_by_count":17},{"year":2020,"cited_by_count":12}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2019-07-23T00:00:00"}
