Sumários

Information Retrieval Models

10 outubro 2018, 11:30 • João Miguel Cordeiro Monteiro

  • Vector space model for information retrieval (IR)
  • Dot product similarity
  • Pen & paper exercise using different IR models

Document Classification (cont.)

8 outubro 2018, 17:00 • Bruno Emanuel Da Graça Martins

  • Discriminative Classification Models
    • The Perceptron
      • The Averaged Perceptron
      • Multi-class classification with the Perceptron
    • Support Vector Machines and Logistic Regression 
  • Evaluation of Classifiers
    • Confusion Matrices and Accuracy
    • Macro-Averaged Precision and Recall
    • Multi-Label Classification

Python for text processing

4 outubro 2018, 15:30 • João Miguel Cordeiro Monteiro

  • Python exercises
  • NLTK and Sklearn for text processing

Document Classification

4 outubro 2018, 14:00 • Pável Pereira Calado

  • Concepts
  • kNN classifiers
  • Naie Bayes Classifier

Python for text processing

3 outubro 2018, 11:30 • João Miguel Cordeiro Monteiro

  • Python exercises
  • NLTK and Sklearn for text processing