XMP Basic Schema Properties

The XMP Basic schema is important for:

  • Basic document management
  • Version control
  • Resource identification
  • Content organization
  • Workflow management
  • File tracking

Key characteristics:

  • Properties are widely supported
  • Essential for basic metadata management
  • Compatible with most content creation tools
  • Foundation for more specific metadata schemas
  • Crucial for digital asset management systems

This schema provides fundamental metadata properties that are essential for basic digital asset management and are supported by most applications that handle XMP metadata.

Core Temporal Properties

xmp:CreateDate

  • When the resource was created
  • ISO 8601 format with optional timezone
  • Must include both date and time
  • Example: "2024-03-20T14:30:15-08:00"

xmp:ModifyDate

  • When the resource was last modified
  • Updates automatically with changes
  • ISO 8601 format
  • Example: "2024-03-21T09:45:22Z"

xmp:MetadataDate

  • When the metadata was last modified
  • May differ from resource modification date
  • ISO 8601 format
  • Example: "2024-03-21T10:00:00Z"

Identification Properties

xmp:CreatorTool

  • Name of the application used to create the resource
  • Software identifier
  • Example: "Adobe Photoshop 2024" or "Microsoft Word 365"

xmp:Identifier

  • Array of unique identifiers for the resource
  • Can contain multiple identification systems
  • Example: ["uuid:A1B2C3D4-E5F6-7890", "internal-id:12345"]

Rating Properties

xmp:Rating

  • User-assigned rating
  • Values range from -1 to 5
    • -1: Rejected
    • 0: Unrated
    • 1-5: Rating value
  • Example: "5"

xmp:Label

  • User-assigned label
  • Color or text label for organization
  • Example: "Final Version" or "Draft"

Version Properties

xmp:BaseURL

  • Base URL for relative URLs
  • Reference path for linked content
  • Example: "https://example.com/resources/"

xmp:NickName

  • Informal name for the resource
  • Short/familiar version of name
  • Example: "Q4 Report"

Advisory Properties

xmp:Thumbnails

  • Array of thumbnail images
  • Contains image data and format
  • Structure includes:
    • height
    • width
    • format
    • image

xmp:Advisory

  • Array of warning or advisory text
  • Used for content warnings or notices
  • Example: ["Contains confidential information"]

Document Properties

xmp:PageInfo

  • Information about document pages
  • Contains:
    • Number of pages
    • Page dimensions
    • Page orientation

xmp:Title

  • Resource title
  • Can be different from filename
  • Example: "Annual Financial Analysis 2024"

Additional Properties

xmp:Description

  • Textual description of the resource
  • Free-form text field
  • Example: "Quarterly performance analysis with charts"

xmp:Authors

  • Array of resource authors
  • Can differ from Dublin Core creators
  • Example: ["Jane Smith", "John Doe"]

xmp:Keywords

  • Array of keywords
  • Search and classification terms
  • Example: ["finance", "quarterly", "analysis"]

Usage Properties

xmp:DerivedFrom

  • Reference to original resource
  • Used when resource is a derivative work
  • Example: "original-doc-id:ABC123"