{"id":"https://openalex.org/A5136457484","orcid":null,"observed_orcids":[],"display_name":"Jiakai Xu","raw_author_names":["Jiakai Xu","Xu, Jiakai"],"full_name":"Jiakai Xu","works_count":4,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5136457484","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I78577930","ror":"https://ror.org/00hj8s172","display_name":"Columbia University","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I78577930","ror":"https://ror.org/00hj8s172","display_name":"Columbia University","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"topics":[{"id":"https://openalex.org/T10906","display_name":"AI-based Problem Solving and Planning","count":3,"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/T11986","display_name":"Scientific Computing and Data Management","count":2,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"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","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/T10317","display_name":"Advanced Database Systems and Queries","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"}},{"id":"https://openalex.org/T10462","display_name":"Reinforcement Learning in Robotics","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"}}],"topic_share":[{"id":"https://openalex.org/T10906","display_name":"AI-based Problem Solving and Planning","value":1.62e-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"}},{"id":"https://openalex.org/T11596","display_name":"Constraint Satisfaction and Optimization","value":1.22e-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"}},{"id":"https://openalex.org/T11574","display_name":"Artificial Intelligence in Games","value":1.05e-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"}},{"id":"https://openalex.org/T11986","display_name":"Scientific Computing and Data Management","value":8.5e-06,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"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/T12127","display_name":"Software System Performance and Reliability","value":6e-06,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.7796000242233276},{"id":"2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","score":0.6729999780654907},{"id":"48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","score":0.5978000164031982},{"id":"119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","score":0.3508000075817108},{"id":"107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","score":0.33980000019073486}],"counts_by_year":[{"year":2026,"works_count":4,"oa_works_count":4,"cited_by_count":0}],"display_name_alternatives":["Jiakai Xu","Xu, Jiakai"],"block_key":"j xu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5136457484","updated_date":"2026-11-04T11:47:51","created_date":"2026-07-10T00:00:00"}
