{"id":"https://openalex.org/A5159688993","orcid":null,"observed_orcids":[],"display_name":"Yunfei Xu","raw_author_names":["Xu, Yunfei","Yunfei Xu"],"full_name":"Yunfei Xu","works_count":1,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5159688993","orcid":null,"observed_orcids":[]},"affiliations":[],"last_known_institutions":null,"topics":[{"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/T10102","display_name":"scientometrics and bibliometrics research","count":1,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"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/T13910","display_name":"Computational and Text Analysis Methods","count":1,"subfield":{"id":"https://openalex.org/subfields/3300","display_name":"General Social Sciences"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13910","display_name":"Computational and Text Analysis Methods","value":9.1e-06,"subfield":{"id":"https://openalex.org/subfields/3300","display_name":"General Social Sciences"},"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/T10102","display_name":"scientometrics and bibliometrics research","value":2.4e-06,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"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/T10028","display_name":"Topic Modeling","value":2e-06,"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"}}],"x_concepts":[{"id":"126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","score":0.427700012922287},{"id":"113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","score":0.36059999465942383},{"id":"124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","score":0.35440000891685486},{"id":"116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","score":0.2800000011920929},{"id":"138827492","wikidata":"https://www.wikidata.org/wiki/Q6661985","display_name":"Data processing","score":0.27950000762939453}],"counts_by_year":[{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Xu, Yunfei","Yunfei Xu"],"block_key":"y xu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5159688993","updated_date":"2026-10-28T12:34:19","created_date":"2026-10-27T00:00:00"}