flowchart LR DSc --> Unsup(Dim. Reduction) --> Clust(Clustering) --> MM(Mixtures) --> HDB(HDBScan) Unsup --> PCA --> CA --> UMAP DSc --> Cl(Classification) --> T(Tree-based Models) --> BG(Bagging) --> XG(Boosting) Cl --> Im(Imbalance) --> F(Fraud Detection) DSc(Decisions, Scale) --> Text[/NLP/] --> EM[Embeddings] --> Attn[Attention] --> ABSA[ABSA] DSc --> RS[/RecSys/] --> Mtr[Metrics] --> FM[Factorization Mach.] --> HM[Hybrid Models] DSc --> CV(DL: Vision) --> Conv[CNNs] --> AK[Approx. kNN] Conv --> HM DSc --> TS(Time Series) --> MTS[Metrics] --> XGB[ML Approaches] --> DL[DL Approaches] EM --> HM