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## Appendix B: User Adoption Survey {#appendix-b-user-adoption-survey}
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As part of the GeoCroissant specification process, a user study was conducted to understand which metadata fields practitioners consider most important for spatial machine learning and GeoAI workflows.
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### Rating Scale
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| Score | Meaning |
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|---|---|
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| 5 | Very important |
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| 4 | Important |
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| 3 | Neither important nor unimportant |
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| 2 | Unimportant |
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| 1 | Very unimportant |
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### Summary of Responses
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Most spatial ML metadata fields received an average rating of "Important." No fields were rated "Very unimportant."
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Across both spatial and non-spatial categories, **description** was consistently ranked as the most important field. Respondents noted that a good description provides the essential context needed to interpret and responsibly use a dataset — covering provenance, background, assumptions, and limitations.
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### Top-Ranked Fields
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| Rank | Top ML Metadata Fields | Top Geospatial Metadata Fields |
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|---|---|---|
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| 1 | Description | Description |
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| 2 | License | Sensor (e.g., optical, thermal) |
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| 3 | Distribution (file format) | Annotation type (e.g., mask, bbox) |
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| 4 | Name | Distribution (file format) |
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| 5 | URL | Model category (e.g., classification) |
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### Key Takeaways
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ML respondents prioritised core reuse and access metadata — especially **license** and **distribution** format, followed by **name** and **URL**.
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Geospatial respondents emphasised GeoAI-critical context, ranking **description**, **sensor type**, and **annotation type** highest.
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Overall, users most value metadata that clarifies dataset usability, legal reuse, and the geospatial and labelling characteristics needed to reliably integrate datasets into spatial ML workflows.
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## Appendix C: GeoSPARQL Query Examples {#appendix-c-geosparql-query-examples}
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## Appendix B: GeoSPARQL Query Examples {#appendix-c-geosparql-query-examples}
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The following SPARQL queries illustrate how GeoCroissant metadata exposed as RDF can be queried using GeoSPARQL predicates.
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