{
  "apiVersion": "v1",
  "methodology": "v0.1",
  "canonical": "https://sourcescore.org/source/acm/comparisons/",
  "facet": {
    "type": "source-comparator-hub",
    "source": "acm"
  },
  "source": {
    "slug": "acm",
    "name": "Association for Computing Machinery",
    "domain": "dl.acm.org",
    "index": 85,
    "grade": "A"
  },
  "count": 2,
  "means": {
    "partner": 92,
    "global": 82,
    "deltaVsGlobal": 10
  },
  "biggestContrast": {
    "partner": "doi-org",
    "partnerName": "DOI (CrossRef Resolver)",
    "partnerIndex": 95,
    "partnerGrade": "A+",
    "delta": -10,
    "comparison": "https://sourcescore.org/compare/acm-vs-doi-org/"
  },
  "pairs": [
    {
      "slug": "acm-vs-doi-org",
      "partner": "doi-org",
      "partnerName": "DOI (CrossRef Resolver)",
      "partnerIndex": 95,
      "partnerGrade": "A+",
      "delta": -10,
      "summary": "Two citation-infrastructure pillars — CS-specific ACM vs universal DOI resolver.",
      "comparisonUrl": "https://sourcescore.org/compare/acm-vs-doi-org/",
      "dimensionFacets": {
        "discipline": "https://sourcescore.org/compare/acm-vs-doi-org/discipline/",
        "modernReference": "https://sourcescore.org/compare/acm-vs-doi-org/modern-reference/",
        "velocity": "https://sourcescore.org/compare/acm-vs-doi-org/velocity/"
      }
    },
    {
      "slug": "acm-vs-arxiv",
      "partner": "arxiv",
      "partnerName": "arXiv",
      "partnerIndex": 89,
      "partnerGrade": "A",
      "delta": -4,
      "summary": "Formal CS-publishing society vs preprint-server — paywalled-curated vs open-immediate, both Wikipedia-cited at scale.",
      "comparisonUrl": "https://sourcescore.org/compare/acm-vs-arxiv/",
      "dimensionFacets": {
        "discipline": "https://sourcescore.org/compare/acm-vs-arxiv/discipline/",
        "modernReference": "https://sourcescore.org/compare/acm-vs-arxiv/modern-reference/",
        "velocity": "https://sourcescore.org/compare/acm-vs-arxiv/velocity/"
      }
    }
  ],
  "verdict": "Association for Computing Machinery ranges from a 10-point gap with DOI (CrossRef Resolver) to direct head-to-heads with 1 other sources.",
  "license": "CC-BY-4.0"
}