text-classification 4 graph-neural-networks 2 nlp-machine-learning 1 multilabel-classification 1 subject-indexing 1 machine-learning 1 dictionary-matching 1 transformer 1 short-text 1 nlp 1 natural-language-processing 1 bert-fine-tuning 1 tfidf 1 tf-idf 1 text-mining 1 knn-classifier 1 knn-classification 1 graph-neural-network 1 weibo 1 supervised-learning 1 stance-analyse 1 ensemble 1 inductive-text-classification 1 graph-learning 1 emnlp2022 1 semi-supervised-learning 1 hierarchical-graph-neural-network 1 graph-structure-learning 1