{
 "type": "collaboration",
 "question": "How are Leo Schwinn and Stephan Günnemann connected?",
 "url": "https://researcher-atlas.com/collaboration/leo-schwinn-a5028233502--stephan-gunnemann-a5074504351/",
 "data_version": "2026.07-r1",
 "updated": "2026-07-28",
 "source": "OpenAlex (CC0)",
 "answer": "Leo Schwinn and Stephan Günnemann have co-authored 24 distinct works together, with recorded publication years from 2023 to 2026.",
 "researchers": [
  {
   "name": "Leo Schwinn",
   "openalex_id": "A5028233502",
   "url": "https://researcher-atlas.com/researcher/leo-schwinn-a5028233502/"
  },
  {
   "name": "Stephan Günnemann",
   "openalex_id": "A5074504351",
   "url": "https://researcher-atlas.com/researcher/stephan-gunnemann-a5074504351/"
  }
 ],
 "distinct_works_total": 24,
 "source_records": 24,
 "recorded_first_year": 2023,
 "recorded_last_year": 2026,
 "typed_papers_first_year": 2024,
 "typed_papers_last_year": 2026,
 "period_caveat": "Publication type is absent for most records, so the typed-paper range is a lower bound, not the full collaboration period.",
 "later_edition_years": [],
 "dedup_rule": "DOI > OpenAlex Work ID > normalized title + author count; grouped works are dated by earliest publication year",
 "by_year": [
  {
   "year": 2023,
   "papers": 1
  },
  {
   "year": 2024,
   "papers": 5
  },
  {
   "year": 2025,
   "papers": 11
  },
  {
   "year": 2026,
   "papers": 7
  }
 ]
}