Artificial Intelligence and Machine Learning

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Questions and Answers

What is the long-term goal of AI research?

  • To simulate the brain
  • To model human problem solving
  • To create versatile, fully intelligent machines (correct)
  • To build large databases of knowledge

What is the key problem of AI research?

  • To perceive, synthesize, and infer information
  • To imitate animal behavior
  • To solve an arbitrary problem
  • To model and solve reasoning problems (correct)

What was the primary source of funding for AI research in the 1960s and 1970s?

  • The Department of Defense (correct)
  • Private companies
  • Dartmouth College
  • The National Science Foundation

What is the primary focus of current AI research?

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

What is machine learning?

<p>The study of algorithms that improve automatically through experience (A)</p> Signup and view all the answers

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Study Notes

  • Artificial intelligence is the ability of systems to perceive, synthesize, and infer information.

  • AI research has tried and discarded many different approaches since its founding, including simulating the brain, modeling human problem solving, formal logic, large databases of knowledge, and imitating animal behavior.

  • The various sub-fields of AI research are centered around particular goals and the use of particular tools.

  • The traditional goals of AI research include reasoning, knowledge representation, planning, learning, natural language processing, perception, and the ability to move and manipulate objects.

  • General intelligence (the ability to solve an arbitrary problem) is among the field's long-term goals.

  • To solve these problems, AI researchers have adapted and integrated a wide range of problem-solving techniques – including search and mathematical optimization, formal logic, artificial neural networks, and methods based on statistics, probability and economics.

  • AI also draws upon computer science, psychology, linguistics, philosophy, and many other fields.

  • AI research was born in the early 1950s at a workshop at Dartmouth College.

  • AI research was heavily funded by the Department of Defense in the 1960s and 1970s.

  • AI research was revived by the commercial success of expert systems in the early 1980s.

  • AI research has been in a state of decline since the late 1980s, but has recently been revived.

  • AI has been struggling to create intelligent machines for many years, but in the past few years, it has made significant progress in solving specific problems.

  • The goal of AI is to simulate or create intelligent machines, and the key problem is to find a way to model and solve reasoning problems.

  • Knowledge representation and knowledge engineering are important tools for solving problems and are becoming more prevalent in AI research.

  • There is a concern that AI is no longer pursuing the original goal of creating versatile, fully intelligent machines, and much of current research is focused on statistical AI.

  • AI is the study of creating machines that can think for themselves.

  • AI research has developed a number of tools to represent specific domains, such as objects, properties, categories and relations between objects; situations, events, states and time; causes and effects; knowledge about knowledge (what we know about what other people know);[54] default reasoning (things that humans assume are true until they are told differently and will remain true even when other facts are changing);

  • Machine learning (ML) is the study of algorithms that improve automatically through experience.

  • In supervised learning, a human labels the input data first, and comes in two main varieties: classification and numerical regression.

  • In reinforcement learning, the agent is rewarded for good responses and punished for bad ones.

  • Symbolic AI used formal syntax to translate the deep structure of sentences into logic. This failed to produce useful applications, due to the intractability of logic[47] and the breadth of commonsense knowledge.

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