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  1. ML2425_ToGrantOrNotToGrant ML2425_ToGrantOrNotToGrant Public

    Machine Learning project (Nova IMS MSc). Multiclass classification for WCB claims (To Grant or Not to Grant). Includes EDA, feature engineering, model benchmarking (Random Forest, XGBoost, Gradient…

    Jupyter Notebook

  2. BCDS_Case1_HotelCustomerSegmentation BCDS_Case1_HotelCustomerSegmentation Public

    NOVA IMS MSc Business Cases with Data Science (2025) – Case 1: Hotel Customer Segmentation for a Lisbon-based hotel chain. Includes clustering with PCA + K-Means, data cleaning, and marketing strat…

    Jupyter Notebook

  3. Fidelidade_AIChatbot Fidelidade_AIChatbot Public

    Business Cases with Data Science (NOVA IMS, 2025) - AI-powered chatbot for Fidelidade agents. Built using FAQs, product documents, and financial literacy materials to improve client guidance and sa…

    Jupyter Notebook

  4. TextMining_Stock_Sentiment_Group19 TextMining_Stock_Sentiment_Group19 Public

    NOVA IMS MSc Text Mining (2025). Stock market sentiment from tweets (bearish=0, bullish=1, neutral=2). Includes EDA, preprocessing, TF-IDF baselines, and a DistilBERT final model. Final prediction …

    Jupyter Notebook

  5. abcdeats-data-mining-customer-segmentation abcdeats-data-mining-customer-segmentation Public

    Customer segmentation for ABCDEats using advanced clustering (K-Means, SOM, Hierarchical) — NOVA IMS Data Mining 24/25

    Jupyter Notebook