aiwg/agentic/code/frameworks/sdlc-complete/schemas/research/license-metadata.yaml

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# License Metadata Schema
# Based on REF-056 FAIR Principles (R1.1 - Clear License)
# Issue: #129

$schema: "https://json-schema.org/draft/2020-12/schema"
$id: "https://aiwg.io/schemas/license-metadata/v1"
title: "License Metadata Schema"
description: |
  Schema for structured license tracking in research sources.
  Ensures clear, accessible usage licenses per FAIR R1.1.

type: object
required:
  - type
  - commercial
  - derivative
  - attribution

properties:
  type:
    type: string
    description: "SPDX license identifier"
    enum:
      # Creative Commons
      - CC0-1.0
      - CC-BY-4.0
      - CC-BY-SA-4.0
      - CC-BY-NC-4.0
      - CC-BY-NC-SA-4.0
      - CC-BY-ND-4.0
      - CC-BY-NC-ND-4.0
      # Open Source
      - MIT
      - Apache-2.0
      - GPL-3.0-only
      - GPL-3.0-or-later
      - BSD-2-Clause
      - BSD-3-Clause
      - ISC
      - MPL-2.0
      # Academic/Research
      - arXiv-License
      - ACM-License
      - IEEE-License
      # Other
      - All-Rights-Reserved
      - Public-Domain
      - Custom
    examples:
      - "CC-BY-4.0"
      - "MIT"
      - "Apache-2.0"

  url:
    type: string
    format: uri
    description: "URL to full license text"
    examples:
      - "https://creativecommons.org/licenses/by/4.0/"
      - "https://opensource.org/licenses/MIT"

  commercial:
    type: boolean
    description: "Whether commercial use is permitted"

  derivative:
    type: boolean
    description: "Whether derivative works are permitted"

  share_alike:
    type: boolean
    default: false
    description: "Whether derivatives must use same license"

  attribution:
    type: string
    enum:
      - required
      - optional
      - none
    description: "Attribution requirement level"

  attribution_text:
    type: string
    description: "Specific attribution text required"

  restrictions:
    type: array
    items:
      type: string
    description: "Additional restrictions or notes"
    examples:
      - "No endorsement claims"
      - "Acknowledge source dataset"

  usage_notes:
    type: string
    description: "Human-readable usage guidance"

# License compatibility matrix
compatibility_matrix:
  CC0-1.0:
    compatible_with: ["*"]
    notes: "Public domain, maximally permissive"
  CC-BY-4.0:
    compatible_with: ["CC-BY-4.0", "CC-BY-SA-4.0", "MIT", "Apache-2.0"]
    notes: "Requires attribution"
  CC-BY-SA-4.0:
    compatible_with: ["CC-BY-SA-4.0"]
    notes: "Share-alike requirement limits compatibility"
  CC-BY-NC-4.0:
    compatible_with: ["CC-BY-NC-4.0", "CC-BY-NC-SA-4.0"]
    notes: "Non-commercial only"
  MIT:
    compatible_with: ["*"]
    notes: "Permissive, requires attribution"
  Apache-2.0:
    compatible_with: ["Apache-2.0", "MIT", "CC-BY-4.0"]
    notes: "Patent grant, requires attribution"

# License quick reference
license_reference:
  CC0-1.0:
    name: "Creative Commons Zero"
    commercial: true
    derivative: true
    attribution: none
    url: "https://creativecommons.org/publicdomain/zero/1.0/"
  CC-BY-4.0:
    name: "Creative Commons Attribution 4.0"
    commercial: true
    derivative: true
    attribution: required
    url: "https://creativecommons.org/licenses/by/4.0/"
  CC-BY-SA-4.0:
    name: "Creative Commons Attribution ShareAlike 4.0"
    commercial: true
    derivative: true
    share_alike: true
    attribution: required
    url: "https://creativecommons.org/licenses/by-sa/4.0/"
  CC-BY-NC-4.0:
    name: "Creative Commons Attribution NonCommercial 4.0"
    commercial: false
    derivative: true
    attribution: required
    url: "https://creativecommons.org/licenses/by-nc/4.0/"
  MIT:
    name: "MIT License"
    commercial: true
    derivative: true
    attribution: required
    url: "https://opensource.org/licenses/MIT"
  Apache-2.0:
    name: "Apache License 2.0"
    commercial: true
    derivative: true
    attribution: required
    url: "https://www.apache.org/licenses/LICENSE-2.0"
  arXiv-License:
    name: "arXiv Non-exclusive License"
    commercial: false
    derivative: true
    attribution: required
    url: "https://arxiv.org/licenses/nonexclusive-distrib/1.0/"
    notes: "Preprint distribution, check final publication"
  All-Rights-Reserved:
    name: "All Rights Reserved"
    commercial: false
    derivative: false
    attribution: required
    notes: "Contact author for permissions"

# Agent protocol
agent_protocol:
  license_check:
    description: "How agents verify license compatibility"
    steps:
      - load_research_license
      - check_project_usage (commercial, derivative)
      - verify_attribution_requirements
      - generate_warnings_if_incompatible

  attribution_generation:
    description: "Generate proper attribution"
    template: |
      {{authors}} ({{year}}). {{title}}.
      {{#if doi}}DOI: {{doi}}{{/if}}
      Licensed under {{license.type}}.

  usage_warning:
    triggers:
      - commercial_project_with_nc_source
      - missing_attribution
      - share_alike_violation
    severity: warning

# Validation rules
validation:
  required_for_research:
    - type
    - commercial
    - derivative
    - attribution
  recommended:
    - url
    - usage_notes

# Examples
examples:
  cc_by_paper:
    type: CC-BY-4.0
    url: "https://creativecommons.org/licenses/by/4.0/"
    commercial: true
    derivative: true
    attribution: required
    usage_notes: |
      Standard academic paper license.
      Cite as per journal requirements.

  arxiv_preprint:
    type: arXiv-License
    url: "https://arxiv.org/licenses/nonexclusive-distrib/1.0/"
    commercial: false
    derivative: true
    attribution: required
    usage_notes: |
      Preprint license. Check for published version
      with potentially different license.

  proprietary_whitepaper:
    type: All-Rights-Reserved
    commercial: false
    derivative: false
    attribution: required
    restrictions:
      - "Do not reproduce without permission"
      - "Contact legal@company.com for licensing"
    usage_notes: |
      Reference only. Cannot quote extensively
      without permission from copyright holder.

# References
references:
  research:
    - "@.aiwg/research/findings/REF-056-fair-principles.md"
  implementation:
    - "#129"
  related:
    - "@agentic/code/frameworks/sdlc-complete/schemas/research/frontmatter-schema.yaml"
    - "@.claude/rules/research-metadata.md"