why label data which data is labeled and what is positive? can semisupervised ranking models be used to evaluate a ranking model using labeled can labeled data be labeled how do you evaluate a semi-supervised ranking why use labeled data in semi supervised training what is semi-supervised ranking model can i evaluate a classification model by labeled data? how to evaluate semi-supervised ranking what is the difference between labeled and labeled data for a semi-supervised ranking model? can you test using unlabeled data why is the label data unlabeled? can you evaluate a semi-supervised ranking model using labeled data which data is used only when the rank system is ranked can you rank a semisupervised ranking which data should be labeled why label unlabeled data why labeled data is used in semisupervised methods how to evaluate semi-supervised ranking what kind of data are used in semi-supervised rank ranking