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I'm just starting to learn GEE, and I see a number of places use a Fusion Table that has polygons of world countries. It's used in the Google Earth Engine manual, tutorials, and questions on stackexchange. The Fusion Table is ft:1tdSwUL7MVpOauSgRzqVTOwdfy17KDbw-1d9omPw and can (currently) be found here. But I can't find any reasonable metadata for it. I've tried:

  1. getting the metadata within GEE:

    // Country Fusion Table
    var countries =  ee.FeatureCollection('ft:1tdSwUL7MVpOauSgRzqVTOwdfy17KDbw-1d9omPw');
    
    // Get a list of all metadata properties.
    var properties = countries.propertyNames();
    print('Metadata properties: ', properties); // ee.List of metadata properties
    
    // Get a specific metadata property.
    var name = countries.get('name');
    print(name); // ee.Number
    var docid = countries.get('DocID');
    print(docid);
    

    But all that it returns is:

    Metadata properties: 
    ["name","DocID"]
       0: name
       1: DocID
    Countries.csv
    1tdSwUL7MVpOauSgRzqVTOwdfy17KDbw-1d9omPw
    
  2. Going directly to the Fusion Table and going to file > about, which shows this:

    enter image description here

    Which still says nothing of where the info actually comes from or who created it.

So how do I find out more info about this particular dataset, and how do I evaluate the data quality of Fusion Tables more generally?

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