Introduction to Machine Learning
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Questions and Answers

What is the main goal of unsupervised learning?

  • To enable the learner to produce labeled data sets
  • To identify structures or patterns in the data (correct)
  • To predict the label for hitherto unseen objects
  • To identify mapping between feature values and outputs

What was the outcome of using the CASEy system developed by Prolog?

  • No significant change in assembly times
  • An increase in assembly times
  • A complete halt in production
  • A reduction in assembly times (correct)

Which type of learning operates on labeled data sets?

  • Reinforcement learning
  • Dimensionality reduction
  • Supervised learning (correct)
  • Unsupervised learning

According to Tom Mitchell's definition, what is a key characteristic of machine learning?

<p>Learning from experience (A)</p> Signup and view all the answers

What is regression in machine learning?

<p>Aiming at finding real-value functions that represent mapping between input space and output space (B)</p> Signup and view all the answers

What is a benefit of distinguishing between approaches to learning in machine learning?

<p>Gaining a better overview of machine learning (A)</p> Signup and view all the answers

What is an example of classification?

<p>Labeling e-mail messages as spam (B)</p> Signup and view all the answers

What is NOT a key aspect of machine learning?

<p>Following proper operational procedures (C)</p> Signup and view all the answers

What is the primary focus of machine learning research?

<p>Pattern recognition (B)</p> Signup and view all the answers

What is clustering in machine learning?

<p>Grouping data points with high similarity (C)</p> Signup and view all the answers

What is the term for the process of improving performance at tasks through data analysis?

<p>Machine learning (B)</p> Signup and view all the answers

What is the primary goal of dimensionality reduction techniques?

<p>To reduce the number of features in a dataset (A)</p> Signup and view all the answers

What is a visual representation of multi-decision processes called?

<p>Decision Tree (A)</p> Signup and view all the answers

What was the first notable application of expert systems?

<p>Identifying organic molecules (B)</p> Signup and view all the answers

What was the name of the expert system that helped with medical diagnoses of infectious diseases?

<p>MYCIN (B)</p> Signup and view all the answers

When did expert systems reach the height of research interest?

<p>1980s (A)</p> Signup and view all the answers

What was the main achievement of expert systems?

<p>Pioneering the idea of a formal, yet accessible representation of knowledge (B)</p> Signup and view all the answers

Who is credited with defining the term 'expert system' and building the first practical examples?

<p>Edward Feigenbaum (C)</p> Signup and view all the answers
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