{"id":"https://openalex.org/A5032460141","orcid":"https://orcid.org/0000-0001-6957-6823","observed_orcids":["https://orcid.org/0000-0001-6957-6823"],"display_name":"H. Kim","raw_author_names":["H. Kim","Hak hyeon kim","Hye Ok Kim"],"full_name":"Hak hyeon kim","works_count":4,"cited_by_count":1,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5032460141","orcid":"https://orcid.org/0000-0001-6957-6823","observed_orcids":["https://orcid.org/0000-0001-6957-6823"]},"affiliations":[{"institution":{"id":"https://openalex.org/I2803058125","ror":"https://ror.org/00cb3km46","display_name":"Seoul National University Bundang Hospital","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I139264467","https://openalex.org/I2802835388","https://openalex.org/I2803058125"]},"years":[2024,2017]},{"institution":{"id":"https://openalex.org/I4210112503","ror":"https://ror.org/01vbmek33","display_name":"Kyung Hee University Medical Center","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I35928602","https://openalex.org/I4210112503","https://openalex.org/I4405258385"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4405261427","ror":"https://ror.org/059k49c26","display_name":"Ewha Womans University Seoul Hospital","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I138925566","https://openalex.org/I4210132203","https://openalex.org/I4405261427"]},"years":[2024]}],"last_known_institutions":[{"id":"https://openalex.org/I4210112503","ror":"https://ror.org/01vbmek33","display_name":"Kyung Hee University Medical Center","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I35928602","https://openalex.org/I4210112503","https://openalex.org/I4405258385"]}],"topics":[{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","count":3,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","count":2,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10009","display_name":"Dementia and Cognitive Impairment Research","count":1,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","count":1,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10861","display_name":"Ear Surgery and Otitis Media","count":1,"subfield":{"id":"https://openalex.org/subfields/2733","display_name":"Otorhinolaryngology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12569","display_name":"Restless Legs Syndrome Research","value":5.5e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T14326","display_name":"Ear and Head Tumors","value":1.2e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","value":9.1e-06,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","value":6.8e-06,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","value":6.6e-06,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.7135999798774719},{"id":"2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","score":0.6563849449157715},{"id":"548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","score":0.6291629076004028},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.5431616902351379},{"id":"111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","score":0.0}],"counts_by_year":[{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["H. Kim","Hak hyeon kim","Hye Ok Kim"],"block_key":"h kim","works_api_url":"https://api.openalex.org/works?filter=author.id:A5032460141","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5032460141","updated_date":"2026-11-10T14:30:39","created_date":"2018-01-05T00:00:00"}
