Great work! A few questions for the author(s): In the article, you have listed 9 feature extractors/templates. In the final model, what's the total number (or r

Great work! A few questions for the author(s): In the article, you have listed 9 feature extractors/templates. In the final model, what's the total number (or rough magnitude) of features? How much data (or ballpark estimate) did you train this on? Did you try to deal with potential difference in distribution across your data sampling sources?