{"id":"https://openalex.org/A5076758296","orcid":"https://orcid.org/0000-0002-1929-2205","observed_orcids":["https://orcid.org/0000-0002-1929-2205"],"display_name":"Marcel Geis","raw_author_names":["M. Geis","Marcel Geis"],"full_name":"Geis, Marcel","works_count":8,"cited_by_count":16,"summary_stats":{"2yr_mean_citedness":1.2,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5076758296","orcid":"https://orcid.org/0000-0002-1929-2205","observed_orcids":["https://orcid.org/0000-0002-1929-2205"]},"affiliations":[{"institution":{"id":"https://openalex.org/I3129555431","ror":"https://ror.org/01226dv09","display_name":"University Hospital Regensburg","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I3129555431"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I45155027","ror":"https://ror.org/02qdc9985","display_name":"Technische Hochschule Mittelhessen","country_code":"DE","type":"education","lineage":["https://openalex.org/I45155027"]},"years":[2026,2024,2023,2017]}],"last_known_institutions":[{"id":"https://openalex.org/I45155027","ror":"https://ror.org/02qdc9985","display_name":"Technische Hochschule Mittelhessen","country_code":"DE","type":"education","lineage":["https://openalex.org/I45155027"]}],"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","count":7,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10234","display_name":"Obstructive Sleep Apnea Research","count":4,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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/T12153","display_name":"Advanced Optical Sensing Technologies","count":3,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T11456","display_name":"Neuroscience of respiration and sleep","count":2,"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/T13248","display_name":"Healthcare Technology and Patient Monitoring","count":2,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T12153","display_name":"Advanced Optical Sensing Technologies","value":5.16e-05,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","value":2.98e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T13248","display_name":"Healthcare Technology and Patient Monitoring","value":2.97e-05,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T12419","display_name":"Phonocardiography and Auscultation Techniques","value":2.33e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10234","display_name":"Obstructive Sleep Apnea Research","value":1.84e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.8228394389152527},{"id":"2779358675","wikidata":"https://www.wikidata.org/wiki/Q3766250","display_name":"Respiratory monitoring","score":0.7013000249862671},{"id":"534529494","wikidata":"https://www.wikidata.org/wiki/Q7891","display_name":"Respiratory system","score":0.6577013731002808},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.643867015838623},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.42362311482429504}],"counts_by_year":[{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":3},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":4},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":8}],"display_name_alternatives":["M. Geis","Marcel Geis"],"block_key":"m geis","works_api_url":"https://api.openalex.org/works?filter=author.id:A5076758296","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5076758296","updated_date":"2026-11-10T14:30:39","created_date":"2017-09-15T00:00:00"}