{"id":"https://openalex.org/A5084577409","orcid":"https://orcid.org/0000-0002-7047-3343","observed_orcids":["https://orcid.org/0000-0002-7047-3343"],"display_name":"Yijun Ran","raw_author_names":["Ran, Yijun","Yijun Ran"],"full_name":"Ran, Yijun","works_count":18,"cited_by_count":202,"summary_stats":{"2yr_mean_citedness":5.1,"h_index":8,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5084577409","orcid":"https://orcid.org/0000-0002-7047-3343","observed_orcids":["https://orcid.org/0000-0002-7047-3343"]},"affiliations":[{"institution":{"id":"https://openalex.org/I142108993","ror":"https://ror.org/01kj4z117","display_name":"Southwest University","country_code":"CN","type":"education","lineage":["https://openalex.org/I142108993"]},"years":[2024,2022,2021,2020]},{"institution":{"id":"https://openalex.org/I154893126","ror":"https://ror.org/02x1pa065","display_name":"Guizhou Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I154893126"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I178232147","ror":"https://ror.org/02wmsc916","display_name":"Guizhou University","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I25254941","ror":"https://ror.org/022k4wk35","display_name":"Beijing Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},"years":[2025,2024]},{"institution":{"id":"https://openalex.org/I4405280756","ror":"https://ror.org/03czfbj71","display_name":"Beijing Normal University, Zhuhai","country_code":"CN","type":"education","lineage":["https://openalex.org/I4405280756"]},"years":[2025,2024]}],"last_known_institutions":[{"id":"https://openalex.org/I154893126","ror":"https://ror.org/02x1pa065","display_name":"Guizhou Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I154893126"]}],"topics":[{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","count":17,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","count":8,"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":5,"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"}},{"id":"https://openalex.org/T11476","display_name":"Graph theory and applications","count":4,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10102","display_name":"scientometrics and bibliometrics research","count":2,"subfield":{"id":"https://openalex.org/subfields/3309","display_name":"Library and Information 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/T11273","display_name":"Advanced Graph Neural Networks","value":0.0001027,"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/T10064","display_name":"Complex Network Analysis Techniques","value":7.04e-05,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13274","display_name":"Expert finding and Q&A systems","value":5.11e-05,"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"}},{"id":"https://openalex.org/T11476","display_name":"Graph theory and applications","value":3.27e-05,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","value":2.47e-05,"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":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8418999910354614},{"id":"103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","score":0.6848999857902527},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.668848991394043},{"id":"124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","score":0.5774999856948853},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.38519999384880066}],"counts_by_year":[{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":8},{"year":2022,"works_count":5,"oa_works_count":4,"cited_by_count":22},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2024,"works_count":3,"oa_works_count":3,"cited_by_count":43},{"year":2025,"works_count":3,"oa_works_count":3,"cited_by_count":41},{"year":2026,"works_count":4,"oa_works_count":2,"cited_by_count":44}],"display_name_alternatives":["Ran, Yijun","Yijun Ran"],"block_key":"y ran","works_api_url":"https://api.openalex.org/works?filter=author.id:A5084577409","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5084577409","updated_date":"2026-11-14T11:48:19","created_date":"2020-01-10T00:00:00"}