This document serves as the official registry of link relationships for the OPDS and ODL specifications.
| Value | Definition | Reference |
|---|---|---|
availability |
Indicates the availability of a given publication, link or copy. | TBD |
copies |
Provides an estimated number of copies of a publication currently held in a collection. | TBD |
holds |
Provides an overview of current holdings for a publication, including total holdings and the position in this queue for a given hold. | TBD |
indirectAcquisition |
Provides the expected download format for a publication, after an acquisition through an intermediate resource. | OPDS 2.0 |
numberOfItems |
Hint about the number of items that are expected to be returned by the linked resource. | OPDS 2.0 |
price |
Provides the acquisition price in a given currency. | OPDS 2.0 |