why use tags in classification what kind of data does classification have what is an example of classification of a text? what is the purpose of a classification set can tag assignment for a text be multi-label classification how to classify a training set classification of text with incomplete label sets what is a training dataset when to assign tags to articles in training set which tags are used in multi label classification how to assign tags to a text which tags can be assigned in a training set? how to classify text in text how to classifying texts with incomplete label set which tag is assigned to a text article by author? types of labels in data classification how to classify a text with incomplete label sets why should tags be assigned in a training set definition for tag classification why is multi label classification a problem