itemsis
Itemsis is a conceptual framework and neutral descriptor used in digital librarianship and data modeling to refer to item-centric information systems. It defines a minimal, interoperable data model for representing discrete items—such as books, media files, or artifacts—along with their properties, relationships, and provenance. The central aim of Itemsis is to facilitate precise item-level metadata exchange across heterogeneous repositories and services, enabling more accurate search, retrieval, and aggregation of item data.
The specification treats an item as the primary unit of organization, with metadata serialized in a compact,
The data model emphasizes simple qualifiers and controlled vocabularies to ensure interoperability. It supports lightweight serialization