Section outline

    • Students must
      Mark as done

      Le15 - Mon Nov 20, 2023 Semantic networks; Data collection: Reddit and TikTok; Data preprocessing and SpaCy; Building the semantic network; the role of TF-IDF; Topic detection; A comparison between InfoMap and Louvain.

    • Students must
      Mark as done

      Le21 - Fri Dec 15, 2023 The non-negative matrix factorization approach; generalized Kullback-Leibler divergence metric; Latent Dirichlet allocation: statistical model; Variational auto-encoders and the ELBO function; VAE for topic detection: NVDM, ProdLDA, DirVAE, NFTM, and NBVAE mnodels; The trasnformer architecture: BERT, BERTA, GPT-2, and GPT-3 models.

    • Students must
      Mark as done

      Le22 - Mon Dec 18, 2023 BERTopic model and its performance; Sentiment analysis: an overview; LIWC categories; BERTAgent; Using sentiment analysis; Student's t-test and Cohen's d-value; Applications of PLMP; Wrap-up on topic detection.