DatasetItem
Metadata for a dataset product listed in a Beckn catalog, attached via beckn:itemAttributes. Extends schema.org Dataset with marketplace-specific fields: refresh model, granularity, sensitivity, quality metrics, and access method.
**Canonical IRI:** https://schema.beckn.io/DatasetItem/v1.1
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Versions
| Version | Status | Notes |
|---|---|---|
| v1.1 | Current | Adds streaming transport access methods (MQTT, KAFKA, API, DATA_LAKE) and catalog-time dataset:streamMeta. Backward-compatible with v1.0. |
| v1.0 | Superseded | Initial release — static/recurring datasets with INLINE, DOWNLOAD, DATA_ENCLAVE, OFF_CHANNEL access methods. |
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Purpose
DatasetItem describes **what a buyer is purchasing** at catalog time: coverage (temporal, spatial, vertical), refresh behaviour, size estimates, data quality flags, and how the data will be delivered. Credentials never appear here — for streaming access methods they are provisioned post-confirm via `DatasetFulfillment`.
Usage
Attached to Item.itemAttributes in on_discover catalogs. See the version READMEs for field tables, examples, and the Beckn handshake flow.