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feat: Add tdm field to IsccMeta for embedding TDM reservation metadata
Add optional tdm object field to iscc-embeddable schema alongside other rights fields (license, acquire, credit, rights). When present, all five reservation properties are required (train, inference, derive, search, analyze), each accepting "reserved" or "open".
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‎CHANGELOG.md‎

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### [0.5.0] - 2026-03-17
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- Added ISBN and ISRC Seed Metadata schemas for interoperable Meta-Code generation (IEP-0002)
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- Added TDM Service Metadata schema for AI content usage rights (train, inference, derive, search, analyze)
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- Added `tdm` field to IsccMeta for embedding TDM reservation metadata in content descriptions
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- Introduced three-category schema framework: ISCC Metadata, Seed Metadata, Service Metadata
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- Added per-schema documentation pages with JSON Schema links and field reference tables
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- Added Seed and Service Metadata terms to JSON-LD context and vocabulary documentation

‎docs/changelog.md‎

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### [0.5.0] - 2026-03-17
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- Added ISBN and ISRC Seed Metadata schemas for interoperable Meta-Code generation (IEP-0002)
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- Added TDM Service Metadata schema for AI content usage rights (train, inference, derive, search, analyze)
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- Added `tdm` field to IsccMeta for embedding TDM reservation metadata in content descriptions
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- Introduced three-category schema framework: ISCC Metadata, Seed Metadata, Service Metadata
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- Added per-schema documentation pages with JSON Schema links and field reference tables
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- Added Seed and Service Metadata terms to JSON-LD context and vocabulary documentation

‎docs/context/0.5.0.jsonld‎

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},
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"credit": "http://schema.org/creditText",
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"rights": "http://schema.org/copyrightNotice",
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"tdm": "http://purl.org/iscc/terms/#tdm",
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"media_id": "http://purl.org/iscc/terms/#media_id",
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"iscc_id": "http://purl.org/iscc/terms/#iscc_id",
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"iscc_code": "http://purl.org/iscc/terms/#iscc",

‎docs/context/index.md‎

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!!! term ""
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Contains any necessary copyright notice and should identify the current owner of the copyright of this work with associated intellectual property rights.
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## tdm
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<small><http://purl.org/iscc/terms/#tdm></small>
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!!! term ""
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Text and Data Mining reservation metadata for AI content usage rights.
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## media_id
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<small><http://purl.org/iscc/terms/#media_id></small>

‎docs/context/iscc.jsonld‎

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},
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"credit": "http://schema.org/creditText",
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"rights": "http://schema.org/copyrightNotice",
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"tdm": "http://purl.org/iscc/terms/#tdm",
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"media_id": "http://purl.org/iscc/terms/#media_id",
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"iscc_id": "http://purl.org/iscc/terms/#iscc_id",
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"iscc_code": "http://purl.org/iscc/terms/#iscc",

‎docs/includes/terms-iscc.md‎

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**Standard**: ISO 24138:2024
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### **tdm**
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!!! term "<small><http://purl.org/iscc/terms/#tdm></small>"
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Text and Data Mining reservation metadata for AI content usage rights.
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### **media_id**
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!!! term "<small><http://purl.org/iscc/terms/#media_id></small>"

‎docs/schema/0.5.0.json‎

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"x-iscc-schema-doc": "Text of a notice appropriate for describing the copyright aspects of this Creative Work, ideally indicating the owner of the copyright for the Work.",
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"x-iscc-embed": "Use `Exif.Image.Copyright`, `Iptc.Application2.Copyright` and `Xmp.dc.rights` for embedding."
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},
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"tdm": {
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"type": "object",
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"description": "Text and Data Mining reservation metadata for AI content usage rights.",
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"x-iscc-context": "http://purl.org/iscc/terms/#tdm",
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"required": [
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"train",
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"inference",
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"derive",
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"search",
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"analyze"
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],
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"properties": {
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"train": {
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"type": "string",
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"description": "Reservation status for AI model training.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"inference": {
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"type": "string",
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"description": "Reservation status for inference-time content retrieval.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"derive": {
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"type": "string",
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"description": "Reservation status for AI-generated derivative works.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"search": {
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"type": "string",
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"description": "Reservation status for search and discovery indexing.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"analyze": {
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"type": "string",
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"description": "Reservation status for automated content analysis.",
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"enum": [
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"reserved",
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"open"
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]
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}
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}
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},
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"original": {
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"type": "boolean",
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"description": "The signee of the declaring transaction claims to be the original creator of the work manifested by the identified digital content.",

‎docs/schema/iscc.json‎

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"x-iscc-schema-doc": "Text of a notice appropriate for describing the copyright aspects of this Creative Work, ideally indicating the owner of the copyright for the Work.",
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"x-iscc-embed": "Use `Exif.Image.Copyright`, `Iptc.Application2.Copyright` and `Xmp.dc.rights` for embedding."
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},
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"tdm": {
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"type": "object",
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"description": "Text and Data Mining reservation metadata for AI content usage rights.",
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"x-iscc-context": "http://purl.org/iscc/terms/#tdm",
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"required": [
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"train",
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"inference",
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"derive",
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"search",
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"analyze"
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],
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"properties": {
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"train": {
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"type": "string",
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"description": "Reservation status for AI model training.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"inference": {
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"type": "string",
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"description": "Reservation status for inference-time content retrieval.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"derive": {
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"type": "string",
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"description": "Reservation status for AI-generated derivative works.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"search": {
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"type": "string",
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"description": "Reservation status for search and discovery indexing.",
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"enum": [
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"reserved",
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"open"
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]
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},
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"analyze": {
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"type": "string",
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"description": "Reservation status for automated content analysis.",
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"enum": [
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"reserved",
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"open"
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]
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}
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}
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},
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"original": {
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"type": "boolean",
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"description": "The signee of the declaring transaction claims to be the original creator of the work manifested by the identified digital content.",

‎docs/schema/iscc.md‎

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| ---- | ---- | --------|--------------------------------|
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| rights | `string` | none | Contains any necessary copyright notice and should identify the current owner of the copyright of this work with associated intellectual property rights.<br><br>**Example**: `© Copyright 2022 ISCC Foundation - www.iscc.codes` |
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### **tdm**
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<http://purl.org/iscc/terms/#tdm>
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| Name | Type | Default | Definition |
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| ---- | ---- | --------|--------------------------------|
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| tdm | `object` | none | Text and Data Mining reservation metadata for AI content usage rights. |
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## iscc-extended
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Extended ISCC Metadata
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‎iscc_schema/models/iscc-embeddable.yaml‎

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this Creative Work, ideally indicating the owner of the copyright for the Work.
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x-iscc-embed: Use `Exif.Image.Copyright`, `Iptc.Application2.Copyright` and `Xmp.dc.rights`
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for embedding.
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tdm:
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type: object
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description: Text and Data Mining reservation metadata for AI content usage rights.
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x-iscc-context: http://purl.org/iscc/terms/#tdm
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required:
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- train
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- inference
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- derive
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- search
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- analyze
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properties:
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train:
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type: string
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description: Reservation status for AI model training.
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enum:
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- reserved
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- open
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inference:
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type: string
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description: Reservation status for inference-time content retrieval.
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enum:
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- reserved
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- open
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derive:
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type: string
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description: Reservation status for AI-generated derivative works.
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enum:
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- reserved
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- open
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search:
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type: string
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description: Reservation status for search and discovery indexing.
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enum:
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- reserved
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- open
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analyze:
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type: string
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description: Reservation status for automated content analysis.
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enum:
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- reserved
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- open

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