{
  "dataset": "OpenAlex works classified with the broad Artificial intelligence concept",
  "retrievedAt": "2026-08-29T17:24:48-04:00",
  "queryUrl": "https://api.openalex.org/works?filter=concept.id:C154945302,from_publication_date:1950-01-01,to_publication_date:2025-12-31&group_by=publication_year&per-page=200",
  "sourceId": "openalex-ai-research-publications",
  "purpose": "Immutable copy of the exact five-year publication series rendered by AI Wars of 2026. It preserves the cited aggregate rather than a complete raw API response.",
  "definition": "Five-year totals of OpenAlex-indexed scholarly works tagged with concept C154945302 (Artificial intelligence).",
  "periods": [
    {"period": "1950-1954", "startYear": 1950, "endYear": 1954, "publications": 19910},
    {"period": "1955-1959", "startYear": 1955, "endYear": 1959, "publications": 26920},
    {"period": "1960-1964", "startYear": 1960, "endYear": 1964, "publications": 44478},
    {"period": "1965-1969", "startYear": 1965, "endYear": 1969, "publications": 75955},
    {"period": "1970-1974", "startYear": 1970, "endYear": 1974, "publications": 119437},
    {"period": "1975-1979", "startYear": 1975, "endYear": 1979, "publications": 158308},
    {"period": "1980-1984", "startYear": 1980, "endYear": 1984, "publications": 207251},
    {"period": "1985-1989", "startYear": 1985, "endYear": 1989, "publications": 304823},
    {"period": "1990-1994", "startYear": 1990, "endYear": 1994, "publications": 467139},
    {"period": "1995-1999", "startYear": 1995, "endYear": 1999, "publications": 620281},
    {"period": "2000-2004", "startYear": 2000, "endYear": 2004, "publications": 1221575},
    {"period": "2005-2009", "startYear": 2005, "endYear": 2009, "publications": 2003210},
    {"period": "2010-2014", "startYear": 2010, "endYear": 2014, "publications": 2752042},
    {"period": "2015-2019", "startYear": 2015, "endYear": 2019, "publications": 3265033},
    {"period": "2020-2024", "startYear": 2020, "endYear": 2024, "publications": 4872783}
  ],
  "caveat": "This is a database classification, not a complete census of peer-reviewed AI papers. It includes OpenAlex-indexed scholarly works assigned the broad AI concept, may include preprints and conference proceedings, and can change as OpenAlex updates records or classifications. The incomplete 2025-2029 period is intentionally omitted."
}