Metadata dictionary
Every metadata field Quarry delivers, with its type and allowed values.
Shared fields
Every record, whatever the vertical, carries these. They're also in the manifest.
| Field | Type | Meaning |
|---|---|---|
record_id | string | Quarry's ID for the item |
dataset_id | string | The listing it belongs to, such as QD-7K2P |
vertical | enum | conversational_audio or medical_imaging |
period | date range | When the source data was created (shifted for imaging) |
geography | string | Country, with a region where it doesn't narrow identity |
Conversational audio
| Field | Type | Values |
|---|---|---|
language | string[] | BCP 47 codes |
code_mixed | boolean | Switches languages within the call |
domain | enum | healthcare, finance, ecommerce_food_delivery |
call_type | string | From a controlled list per domain |
duration_s | number | Seconds |
year | integer | Year recorded |
channels | enum | stereo_split, mono |
sample_rate_hz | integer | Native rate |
has_transcript | boolean | Transcript delivered for this call |
outcome | enum, optional | sale, no_sale, resolved, escalated, promise_to_pay |
Medical imaging
| Field | Type | Values |
|---|---|---|
modality | enum | CT, MR, MG, DX/CR |
body_part | string | DICOM Body Part Examined |
manufacturer, model | string | From the DICOM header |
acquisition | object | Key parameters per modality, such as slice thickness, kVp, field strength, sequence |
age_band | string | Ten-year bands; the oldest band is open-ended |
sex | enum | F, M, O, U |
site_region | string | Region of the site, never the site |
has_report | boolean | Report delivered |
has_emr | boolean | EMR linked |
birads | integer, optional | Mammography only |
Fields are added in new spec versions and announced in the changelog; none is removed within a version.