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# Unsplash Dataset Documentation
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The Unsplash Dataset is composed of multiple TSV files:
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## 1 - photos.tsv
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The `photos.tsv` dataset has one row per photo. It contains properties of the photo, the name of the contributor, the image URL, and overall stats.
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| Field | Description |
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|-----------------------------|-------------|
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| photo_id | ID of the Unsplash photo |
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| photo_url | Permalink URL to the photo page on unsplash.com |
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| photo_image_url | URL of the image file. Note: this is a [dynamic URL](https://unsplash.com/documentation#dynamically-resizable-images), so you can apply [resizing and customization operations directly on the image](https://unsplash.com/documentation#supported-parameters) |
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| photo_submitted_at | Timestamp of when the photo was submitted to Unsplash |
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| photo_featured | Whether the photo was promoted to the [Editorial feed](https://unsplash.com/) or not |
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| photo_width | Width of the photo in pixels |
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| photo_height | Height of the photo in pixels |
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| photo_aspect_ratio | Aspect ratio of the photo |
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| photo_description | Description of the photo written by the photographer |
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| photographer_username | Username of the photographer on Unsplash |
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| photographer_first_name | First name of the photographer |
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| photographer_last_name | Last name of the photographer |
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| exif_camera_make | Camera make (brand) extracted from the EXIF data |
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| exif_camera_model | Camera model extracted from the EXIF data |
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| exif_iso | ISO setting of the camera, extracted from the EXIF data |
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| exif_aperture_value | Aperture setting of the camera, extracted from the EXIF data |
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| exif_focal_length | Focal length setting of the camera, extracted from the EXIF data |
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| exif_exposure_time | Exposure time setting of the camera, extracted from the EXIF data |
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| photo_location_name | Location of the photo |
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| photo_location_latitude | Latitude of the photo |
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| photo_location_longitude | Longitude of the photo |
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| photo_location_country | Country where the photo was made |
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| photo_location_city | City where the photo was made |
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| stats_views | Total # of times that a photo has been viewed on the Unsplash platform |
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| stats_downloads | Total # of times that a photo has been downloaded via the Unsplash platform |
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| ai_description | Textual description of the photo, generated by a 3rd party AI |
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| ai_primary_landmark_name | Landmark present in the photo, generated by a 3rd party AI |
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| ai_primary_landmark_latitude | Latitude of the landmark, generated by a 3rd party AI |
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| ai_primary_landmark_longitude | Longitude of the landmark, generated by a 3rd party AI |
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| ai_primary_landmark_confidence | Landmark confidence of the 3rd party AI |
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| blur_hash | [BlurHash](https://blurha.sh/) hash of the photo |
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## 2 - keywords.tsv
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The `keywords.tsv` dataset has one row per photo-keyword pair. It contains data
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about how a keyword is connected to a photo and the conversions of the photo our search engine for a particular keyword.
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| Field | Description |
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|-------------------------------|-------------|
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| photo_id | ID of the Unsplash photo |
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| keyword | Keyword or search term |
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| ai_service_1_confidence | Confidence for the keyword from a 3rd party AI (0-100)|
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| ai_service_2_confidence | Confidence for the keyword from another 3rd party AI (0-100)|
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| suggested_by_user | Whether the keyword was added by a user (human) |
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## 3 - collections.tsv
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*Note: A collection on Unsplash is a user created grouping of photos. These are similar to boards on Pinterest and can often group photos in complex and creative ways.*
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The `collections.tsv` dataset has one row per photo-collection pair. Whenever a photo
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belongs to a collection created by a user, it will appear as one row. Each row describes
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when the photo was added to the collection and gives the title of the collection.
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| Field | Description |
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|-------------------------------|-------------|
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| photo_id | ID of the Unsplash photo |
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| collection_id | ID of the Unsplash collection containing the photo |
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| collection_title | Title of the collection containing the photo |
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| photo_collected_at | Timestamp of when the photo was added to the collection |
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## 4 - conversions.tsv
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*Note: a conversion is currently defined as a user selecting an image to download it.*
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The `conversions.tsv` dataset has one row per search conversion. The dataset tells you which photo has been downloaded for a search, the country of origin, and an anonymous identifier to indiciate the unique users. The data goes back up to 1 year before the release of each version of the dataset.
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| Field | Description |
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|-------------------------------|-------------|
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| converted_at | Timestamp of the conversion event |
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| conversion_type | Type of conversion (`download` only for now) |
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| keyword | Keyword that was searched and led to the conversion |
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| photo_id | Photo ID of the photo that converted |
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| anonymous_user_id | Anonymous user ID |
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| conversion_country | Country code of the device geolocation |
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## 5 - colors.tsv
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*Note: The coverage and score data comes from a 3rd party AI*
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The `colors.tsv` dataset has one row per major color present in the photo. The dataset tells which colors are contained within a photo, their coverage as a percentage, and a score for how in focus the color is.
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| Field | Description |
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|---------------------------|-------------|
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| photo_id | ID of the Unsplash photo |
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| hex | Hexadecimal representation of the color |
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| red | Red component of the photo in the RGB system |
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| green | Green component of the photo in the RGB system |
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| blue | Blue component of the photo in the RGB system |
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| keyword | Name of the closest color as a [CSS color keyword](https://www.w3schools.com/cssref/css_colors.asp) |
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| coverage | Pixel coverage of the color as a percentage |
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| score | Score of the color in the photo (including the notion of focus) |
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## Combining datasets
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You can merge the different datasets through the primary key ID fields (usually the `photo_id` field). With this you'll be able to cross-reference properties from the photos dataset with data from the keywords or conversions dataset.
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----
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For help loading the dataset, see the [how to docs](https://github.com/unsplash/datasets/tree/master/how-to/).
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