{"id":"https://openalex.org/A5001639628","orcid":"https://orcid.org/0009-0003-2227-8265","observed_orcids":["https://orcid.org/0009-0003-2227-8265"],"display_name":"Christian Freitag","raw_author_names":["C. Freitag","Christian Freitag","Freitag, Christian"],"full_name":"Christian Freitag","works_count":9,"cited_by_count":23,"summary_stats":{"2yr_mean_citedness":2.3333333333333335,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5001639628","orcid":"https://orcid.org/0009-0003-2227-8265","observed_orcids":["https://orcid.org/0009-0003-2227-8265"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210156774","ror":"https://ror.org/0454e9996","display_name":"Institut f\u00fcr Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210156774"]},"years":[2025,2024,2023]}],"last_known_institutions":[{"id":"https://openalex.org/I4210156774","ror":"https://ror.org/0454e9996","display_name":"Institut f\u00fcr Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210156774"]}],"topics":[{"id":"https://openalex.org/T12269","display_name":"Effects of Vibration on Health","count":9,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T13315","display_name":"Occupational Health and Safety in Workplaces","count":8,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational 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/T12006","display_name":"Ergonomics and Musculoskeletal Disorders","count":7,"subfield":{"id":"https://openalex.org/subfields/3307","display_name":"Human Factors and Ergonomics"},"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/T10842","display_name":"Railway Engineering and Dynamics","count":1,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12759","display_name":"Vehicle Noise and Vibration Control","count":1,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12269","display_name":"Effects of Vibration on Health","value":0.0002679,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T12006","display_name":"Ergonomics and Musculoskeletal Disorders","value":3.01e-05,"subfield":{"id":"https://openalex.org/subfields/3307","display_name":"Human Factors and Ergonomics"},"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/T13315","display_name":"Occupational Health and Safety in Workplaces","value":1.28e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational 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/T14091","display_name":"Industrial and Mining Safety","value":5.1e-06,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12759","display_name":"Vehicle Noise and Vibration Control","value":5e-06,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","score":0.6436471939086914},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.6003999710083008},{"id":"18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","score":0.5997850298881531},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.46213072538375854},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.1568394899368286}],"counts_by_year":[{"year":2023,"works_count":6,"oa_works_count":5,"cited_by_count":0},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":12},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":10}],"display_name_alternatives":["C. Freitag","Christian Freitag","Freitag, Christian"],"block_key":"c freitag","works_api_url":"https://api.openalex.org/works?filter=author.id:A5001639628","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2023-04-27T00:00:00"}
