{"id":"https://openalex.org/A5000807886","orcid":"https://orcid.org/0009-0003-1432-6810","observed_orcids":["https://orcid.org/0009-0003-1432-6810"],"display_name":"Xiang-Fei Ma","raw_author_names":["Xiang-Fei Ma","Xiangfei Ma"],"full_name":"Xiang-Fei Ma","works_count":6,"cited_by_count":85,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5000807886","orcid":"https://orcid.org/0009-0003-1432-6810","observed_orcids":["https://orcid.org/0009-0003-1432-6810"]},"affiliations":[{"institution":{"id":"https://openalex.org/I20616075","ror":"https://ror.org/03az1t892","display_name":"Qinghai Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I20616075"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I3124059619","ror":"https://ror.org/04gcegc37","display_name":"China University of Geosciences","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]},"years":[2023,2022,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I20616075","ror":"https://ror.org/03az1t892","display_name":"Qinghai Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I20616075"]}],"topics":[{"id":"https://openalex.org/T12013","display_name":"Sustainable Development and Environmental Policy","count":3,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T12883","display_name":"Sustainable Development and Environmental Management","count":2,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T10028","display_name":"Topic Modeling","count":1,"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/T10181","display_name":"Natural Language Processing Techniques","count":1,"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/T10203","display_name":"Recommender Systems and Techniques","count":1,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12013","display_name":"Sustainable Development and Environmental Policy","value":2.39e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T13893","display_name":"Sustainable Development and Policies","value":1.94e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T13955","display_name":"Evaluation Methods in Various Fields","value":1.77e-05,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14440","display_name":"Quality of Life Measurement","value":1.35e-05,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11644","display_name":"Spam and Phishing Detection","value":9.2e-06,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","score":0.8200387954711914},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8155296444892883},{"id":"162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","score":0.49896860122680664},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.3961179256439209},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.0}],"counts_by_year":[{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":8},{"year":2024,"works_count":1,"oa_works_count":0,"cited_by_count":19},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":27}],"display_name_alternatives":["Xiang-Fei Ma","Xiangfei Ma"],"block_key":"x ma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000807886","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5000807886","updated_date":"2026-11-13T15:08:24","created_date":"2020-12-21T00:00:00"}
