Locate the image on the map and submit your best guess. Validate the initial guess of our automatically assigned geolocation tool or of other users.

Click the thumbs up thumb_up_alt to validate the geolocations.

Click the thumbs down thumb_down_alt button to reject the geolocations.

Click the report report button to report geolocations that are inappropriate (e.g. geolocation in Brazil when the image was taken in Brussels)

Click the map  button to toggle between the map and streetview.

Click the marker  button to add the current streetview as a new guess.

Our computer vision program has automatically tagged the visual content of the image, we need your help in order to validate the suggested tags and improve our program!

Click the thumbs up thumb_up_alt to validate the automatically assigned tags.

Click the thumbs down thumb_down_alt button to reject the automatically assigned tags.

Vote on an already extracted date from the image caption using the vote buttons or add a date yourself in order to improve the metadata of our collection.
For a single date, let the end date equal the start date (default).
If you are not sure about the exact date, a date interval can be given by setting the end date.

Dates are entered in the mm/dd/yyyy format
For example: 18 october 1942 becomes 10/18/1942

Click the thumbs up thumb_up_alt to validate the automatically assigned dates.

Click the thumbs down thumb_down_alt button to reject the automatically assigned dates.

Click the report report button to report incorrect dates (e.g. 18/08/2005)

Enter a personal comment or anecdote related to the picture. You can also like or dislike other peoples comments and report offensive content.

Click the thumbs up thumb_up_alt to like comments that are informative or useful.

Click the thumbs down thumb_down_alt button to dislike comments that are factually incorrect or misleading.

Click the report report button to report offensive or inappropriate comments.

Select one or more categories that correspond to the image, you can also validate or reject the suggested categories of other users.

Click the thumbs up thumb_up_alt to validate the user assigned categories.

Click the thumbs down thumb_down_alt button to reject the user assigned categories.

Click the report report button to report offensive or inappropriate categories.

Our Named Entity Recognition (NER) program has automatically tagged the names of places, cities and dates from the original caption of the image. We need your help in order to validate the suggested entities and improve our program!

Click the thumbs up thumb_up_alt to validate the automatically extracted entities.

Click the thumbs down thumb_down_alt button to reject the automatically extracted entitites.

Click the report report button to report offensive or inappropriate entities.

Our computer vision program has automatically extracted a caption based on the visual content of the image, we need your help in order to validate the suggested caption and improve our program! Validate the best-fitting caption and reject the others.

Click the thumbs up thumb_up_alt to validate the automatically extracted caption.

Click the thumbs down thumb_down_alt button to reject the automatically extracted caption.