Semantic Nonnegative Matrix Factorization with Automatic Model Determination for Topic Modeling. - Raviteja Vangara; Erik Skau; Gopinath Chennupati; Hristo N. Djidjev; Thomas Tierney; James P. Smith; Manish Bhattarai; Valentin G. Stanev; Boian S. Alexandrov (ICMLA, 2020)

Finding the Number of Latent Topics With Semantic Non-Negative Matrix Factorization. - Raviteja Vangara; Manish Bhattarai; Erik Skau; Gopinath Chennupati; Hristo N. Djidjev; Thomas Tierney; James P. Smith; Valentin G. Stanev; Boian S. Alexandrov (IEEE Access, 2021)