Industry reference
Books and media product data
The fields that make a useful comparison.
Industry referenceField requirements · not extracted records
| Step / field | Keep | Check |
|---|---|---|
| Identifier | ISBN or source ID | Keep editions distinct. |
| Format | Hardcover, paperback, digital or audio | Format changes price comparability. |
| Condition | Source-reported condition | A used copy is a different offer. |
The extraction schema preserves reported fields; ISBN and edition require source-level validation.