{
 "type": "collaboration",
 "question": "How are Alberto Marchesi and Matteo Castiglioni connected?",
 "url": "https://researcher-atlas.com/collaboration/matteo-castiglioni-a5018390908--alberto-marchesi-a5039843107/",
 "data_version": "2026.07-r1",
 "updated": "2026-07-28",
 "source": "OpenAlex (CC0)",
 "answer": "Alberto Marchesi and Matteo Castiglioni have co-authored 55 distinct works together, with recorded publication years from 2019 to 2026.",
 "researchers": [
  {
   "name": "Alberto Marchesi",
   "openalex_id": "A5039843107",
   "url": "https://researcher-atlas.com/researcher/alberto-marchesi-a5039843107/"
  },
  {
   "name": "Matteo Castiglioni",
   "openalex_id": "A5018390908",
   "url": "https://researcher-atlas.com/researcher/matteo-castiglioni-a5018390908/"
  }
 ],
 "distinct_works_total": 55,
 "source_records": 55,
 "recorded_first_year": 2019,
 "recorded_last_year": 2026,
 "typed_papers_first_year": 2022,
 "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": 2019,
   "papers": 5
  },
  {
   "year": 2020,
   "papers": 1
  },
  {
   "year": 2021,
   "papers": 4
  },
  {
   "year": 2022,
   "papers": 9
  },
  {
   "year": 2023,
   "papers": 8
  },
  {
   "year": 2024,
   "papers": 9
  },
  {
   "year": 2025,
   "papers": 13
  },
  {
   "year": 2026,
   "papers": 6
  }
 ]
}