Appendix for " Topic Modeling Revisited: A Document Graph-based Neural Network Perspective " A Appendix

Here, we display additional material to support our content in the main manuscript, including: - The mathematical notations in Table S1. The word set for the document d, i.e., V The word edge set for the document d . The placeholder set for the document d, i.e., V The placeholder edge set for the document d. The parameter to describe the distribution over word edges for k -th topic. The word edge set among the nodes with the topic assignment k in the document d.