id.sifa.profile.presentation

{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "duration": {
      "description": "A presentation length in minutes: a fixed value (minMinutes only) or a range (minMinutes to maxMinutes).",
      "properties": {
        "maxMinutes": {
          "description": "Upper bound in minutes when the length is offered as a range. Omit for a fixed length.",
          "minimum": 1,
          "type": "integer"
        },
        "minMinutes": {
          "description": "Length in minutes, or the lower bound when the length is offered as a range.",
          "minimum": 1,
          "type": "integer"
        }
      },
      "required": [
        "minMinutes"
      ],
      "type": "object"
    },
    "main": {
      "description": "Record representing a single reusable presentation (the content), distinct from the occasions on which it is delivered.",
      "key": "tid",
      "record": {
        "properties": {
          "coverImage": {
            "accept": [
              "image/png",
              "image/jpeg",
              "image/webp"
            ],
            "description": "Optional cover image for the presentation. Rendered as the talk-page hero and OpenGraph image. Max 2 MB, PNG, JPEG, or WebP.",
            "maxSize": 2000000,
            "type": "blob",
            "x-skos:exactMatch": [
              "schema:image",
              "foaf:depiction"
            ]
          },
          "createdAt": {
            "description": "Client-declared timestamp when this record was originally created.",
            "format": "datetime",
            "type": "string"
          },
          "description": {
            "description": "Description or abstract of the presentation.",
            "maxGraphemes": 5000,
            "maxLength": 50000,
            "type": "string",
            "x-skos:exactMatch": [
              "bibo:abstract",
              "schema:abstract"
            ]
          },
          "duration": {
            "description": "Typical length of the presentation, a fixed value or a range, in minutes.",
            "ref": "#duration",
            "type": "ref",
            "x-skos:narrowMatch": [
              "schema:timeRequired"
            ],
            "x-skos:note": "The lexicon models a range; schema:timeRequired is a single ISO 8601 duration."
          },
          "intendedAudiences": {
            "description": "Intended audiences for this presentation, open text (e.g. 'Engineering leaders', 'Beginners').",
            "items": {
              "maxGraphemes": 100,
              "maxLength": 1000,
              "type": "string"
            },
            "maxLength": 20,
            "type": "array",
            "x-skos:closeMatch": [
              "schema:audience"
            ]
          },
          "links": {
            "description": "Canonical links for this content, such as slides or a recording.",
            "items": {
              "ref": "id.sifa.defs#presentationLink",
              "type": "ref"
            },
            "maxLength": 20,
            "type": "array"
          },
          "title": {
            "description": "Title of the presentation.",
            "maxGraphemes": 300,
            "maxLength": 3000,
            "minLength": 1,
            "type": "string",
            "x-skos:exactMatch": [
              "dcterms:title",
              "schema:name"
            ]
          },
          "writeupRef": {
            "description": "Optional reference to a long-form write-up of this presentation (a pub.leaflet.document or site.standard.document holding video, transcript, or article).",
            "ref": "id.sifa.defs#externalRecordRef",
            "type": "ref",
            "x-skos:closeMatch": [
              "dcterms:isReferencedBy",
              "schema:subjectOf"
            ]
          }
        },
        "required": [
          "title",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record",
      "x-skos:closeMatch": [
        "bibo:Slideshow",
        "schema:PresentationDigitalDocument"
      ],
      "x-skos:note": "Neither term carries the \"reusable, deliverable more than once\" semantics of the Sifa record."
    }
  },
  "description": "A reusable presentation: the content a person presents (a talk, workshop, poster, or demo), independent of any single occasion on which it is delivered. Delivered at one or more id.sifa.profile.presentationDelivery occasions.",
  "id": "id.sifa.profile.presentation",
  "lexicon": 1
}