{"id":"https://openalex.org/A5040188906","orcid":"https://orcid.org/0000-0001-6912-4464","observed_orcids":["https://orcid.org/0000-0001-6912-4464"],"display_name":"Ryoma Sato","raw_author_names":["Ryoma Sato","Sato, Ryoma"],"full_name":"Sato, Ryoma","works_count":54,"cited_by_count":679,"summary_stats":{"2yr_mean_citedness":0.9583333333333334,"h_index":12,"i10_index":15},"ids":{"openalex":"https://openalex.org/A5040188906","orcid":"https://orcid.org/0000-0001-6912-4464","observed_orcids":["https://orcid.org/0000-0001-6912-4464"]},"affiliations":[{"institution":{"id":"https://openalex.org/I142637625","ror":"https://ror.org/02qg15b79","display_name":"Okinawa Institute of Science and Technology Graduate University","country_code":"JP","type":"education","lineage":["https://openalex.org/I142637625"]},"years":[2023,2022]},{"institution":{"id":"https://openalex.org/I184597095","ror":"https://ror.org/04ksd4g47","display_name":"National Institute of Informatics","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]},"years":[2026,2025,2024]},{"institution":{"id":"https://openalex.org/I200475212","ror":"https://ror.org/0516ah480","display_name":"The Graduate University for Advanced Studies, SOKENDAI","country_code":"JP","type":"education","lineage":["https://openalex.org/I200475212"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[2023,2022,2021,2020,2019,2018]},{"institution":{"id":"https://openalex.org/I2251713219","ror":"https://ror.org/00berct97","display_name":"NTT (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]},"years":[2022]},{"institution":{"id":"https://openalex.org/I4210110652","ror":"https://ror.org/01sjwvz98","display_name":"RIKEN","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652"]},"years":[2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I4210126580","ror":"https://ror.org/03ckxwf91","display_name":"RIKEN Center for Advanced Intelligence Project","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]},"years":[2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I4405275474","ror":"https://ror.org/03p0gwt85","display_name":"NTT Communications Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275474"]},"years":[2022]}],"last_known_institutions":[{"id":"https://openalex.org/I184597095","ror":"https://ror.org/04ksd4g47","display_name":"National Institute of Informatics","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]},{"id":"https://openalex.org/I200475212","ror":"https://ror.org/0516ah480","display_name":"The Graduate University for Advanced Studies, SOKENDAI","country_code":"JP","type":"education","lineage":["https://openalex.org/I200475212"]}],"topics":[{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","count":9,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","count":9,"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/T12292","display_name":"Graph Theory and Algorithms","count":9,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10036","display_name":"Advanced Neural Network Applications","count":8,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":8,"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/T11273","display_name":"Advanced Graph Neural Networks","value":0.0001161,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","value":0.0001034,"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/T12292","display_name":"Graph Theory and Algorithms","value":7.8e-05,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T12536","display_name":"Topological and Geometric Data Analysis","value":5.96e-05,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T12380","display_name":"Authorship Attribution and Profiling","value":5.74e-05,"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":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8296988010406494},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6546000242233276},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.6342999935150146},{"id":"119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","score":0.5793353319168091},{"id":"11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","score":0.5335000157356262}],"counts_by_year":[{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2019,"works_count":3,"oa_works_count":3,"cited_by_count":5},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":43},{"year":2021,"works_count":4,"oa_works_count":4,"cited_by_count":85},{"year":2022,"works_count":13,"oa_works_count":13,"cited_by_count":107},{"year":2023,"works_count":6,"oa_works_count":6,"cited_by_count":105},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":149},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":107},{"year":2026,"works_count":19,"oa_works_count":6,"cited_by_count":76}],"display_name_alternatives":["Ryoma Sato","Sato, Ryoma"],"block_key":"r sato","works_api_url":"https://api.openalex.org/works?filter=author.id:A5040188906","updated_date":"2026-11-08T12:57:04","created_date":"2018-10-12T00:00:00"}