| # Methodology |
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| ## Objective |
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| The dataset organizes source-linked information that helps print shops research printable media and printer workflows without turning preliminary research into unsupported certification claims. |
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| ## Source selection |
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| Priority is given to: |
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| 1. Official manufacturer product pages. |
| 2. Official technical bulletins or product information bulletins. |
| 3. Brand-controlled application or workflow pages. |
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| Secondary commentary is not used as the sole support for a technical compatibility statement in this release. |
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| ## Collection and normalization |
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| - A researcher records the source URL, brand or topic, workflow context, and intended use. |
| - Product and printer family names are preserved as written by the source when practical. |
| - Multi-value fields use semicolon-separated values in CSV and remain strings in JSONL. |
| - Source review dates use ISO `YYYY-MM-DD` format. |
| - Missing values are left blank rather than inferred. |
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| ## Claim-risk labels |
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| - `High`: exact performance, warranty, certification, equivalency, durability, or cross-brand compatibility should be verified before publication. |
| - `Medium`: official source context exists, but application-specific performance still requires current documentation and testing. |
| - Blank: the source library does not assign a claim-risk score. |
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| ## Quality controls |
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| - CSV files must have a stable header and consistent column count. |
| - JSONL output must contain one valid JSON object per non-empty line. |
| - Source URLs must use HTTP or HTTPS. |
| - Dataset row totals must reconcile with the release manifest. |
| - Technical compatibility is described as workflow context unless the cited source explicitly supports a stronger claim. |
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| ## Update policy |
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| This release is a dated snapshot. Future releases should: |
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| 1. Recheck source availability and product status. |
| 2. Record changed URLs or specifications. |
| 3. Preserve prior tagged releases for auditability. |
| 4. Increment the dataset version and publish a changelog. |
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| ## Responsible use |
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| Users should confirm current manufacturer documentation, ICC/profile requirements, ink compatibility, laminate pairing, surface preparation, and application conditions. Production samples and controlled testing remain necessary. |
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