{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Negotiation Message Schema",
  "dateModified": "2026-06-02",
  "spec": "FIPA ACL (Agent Communication Language) + Contract Net Protocol (FIPA-00029) + JSON-LD",
  "variableMeasured": [
    "negotiationId",
    "round",
    "proposerDid",
    "counterpartyDid",
    "subject",
    "terms.price",
    "terms.currency",
    "terms.deliveryDate",
    "terms.sla",
    "terms.paymentTerms",
    "terms.warranty",
    "rationale",
    "expiresAt",
    "signature"
  ],
  "performatives": [
    "cfp",
    "propose",
    "counter-propose",
    "accept-proposal",
    "reject-proposal",
    "inform",
    "failure"
  ]
}