Foundations and Sub-areas of AI

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Questions and Answers

Which AI subfield focuses on enabling machines to understand and generate human language?

  • Computer Vision
  • Natural Language Processing (NLP) (correct)
  • Expert Systems
  • Robotics

In which type of machine learning does an agent learn to make decisions by interacting with an environment and maximizing a utility function?

  • Semi-Supervised Learning
  • Unsupervised Learning
  • Supervised Learning
  • Reinforcement Learning (correct)

Which AI subfield is most concerned with enabling machines to interpret and process visual data?

  • Expert Systems
  • Computer Vision (correct)
  • Natural Language Processing
  • Robotics

An expert system is primarily based on what to simulate human decision-making?

<p>Pre-programmed knowledge and logical rules (D)</p> Signup and view all the answers

In what scenario is semi-supervised learning most useful?

<p>When obtaining labeled data is expensive or time-consuming. (D)</p> Signup and view all the answers

Which of the following correctly describes how computer vision transforms visual data?

<p>Into numerical arrays for analysis (B)</p> Signup and view all the answers

What is a key advantage of using expert systems over machine learning models in certain applications?

<p>Predictability and stability due to fixed rules. (D)</p> Signup and view all the answers

Which innovation has NOT contributed to the recent feasibility of Computer Vision at scale?

<p>Decreased interest of researchers. (B)</p> Signup and view all the answers

What role does Natural Language Processing (NLP) play in AI-powered virtual assistants?

<p>Interpreting user commands and generating responses (B)</p> Signup and view all the answers

How is AI used in the gaming industry to enhance player experience?

<p>By creating smart, human-like non-playable characters (NPCs). (D)</p> Signup and view all the answers

Flashcards

Machine Learning (ML)

A core subfield of AI that enables machines to make decisions and learn from data without human intervention.

Supervised Learning

A type of ML that relies on labeled datasets to train models, predicting outcomes for new inputs.

Unsupervised Learning

Involves working with unlabeled datasets to discover hidden patterns, relationships, or anomalies within the data.

Semi-Supervised Learning

Combines supervised and unsupervised methods, utilizing a dataset with both labeled and unlabeled data.

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Expert System (ES)

An artificial agent designed to simulate the decision-making ability of a human expert by leveraging pre-programmed knowledge and logical rules.

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Computer Vision (CV)

The automated process of extracting, analyzing, and interpreting information from images and videos.

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Natural Language Processing (NLP)

A branch of AI focused on enabling machines to automatically process, analyze, and generate human language.

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Robotics

The branch of science dedicated to designing, constructing, operating, and applying robots to solve problems and automate tasks traditionally performed by humans.

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AI in Navigation

Al enhances user experience by providing accurate, timely information, optimizing route planning & traffic analysis.

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AI in Human Resources

AI simplifies the hiring process by analyzing resumes and profiles to filter candidates based on specific parameters.

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Study Notes

Foundations of AI and Sub-areas of AI

  • Explores five key areas of Artificial Intelligence (AI): Machine Learning, Expert Systems, Computer Vision, Natural Language Processing (NLP), and Robotics.

Machine Learning

  • Focuses on algorithms that enable data-driven decisions.
  • Employs computers to identify patterns and relationships in various data types (images, sounds, structured arrays).
  • Uses mathematical models and algorithms.
  • A critical tool in healthcare, finance, e-commerce, and robotics.

Types of Machine Learning

  • Supervised Learning: Uses labeled datasets to train models and predict outcomes for new inputs.
  • Unsupervised Learning: Works with unlabeled datasets to discover hidden patterns or anomalies used in customer segmentation, anomaly detection and data exploration.
  • Semi-Supervised Learning: Combines labeled and unlabeled data, useful when labeled data is scarce.
  • Reinforcement Learning: An agent learns to achieve objectives by interacting with an environment, improving decisions through trial and error, used in robotics and autonomous vehicles.

Expert Systems

  • A human expert's decision-making ability is simulated using pre-programmed knowledge and logical rules.
  • Provides advice or makes decisions in specific domains.
  • Follows a fixed set of rules.
  • Relevant where stability and rule-based logic are essential.
  • Google's Nest home automation system is an example.
  • Other examples include MYCIN (medical diagnosis), DENDRAL (chemical analysis), PXDES (lung diseases), and CADET (military planning).

Computer Vision

  • Automates extraction, analysis, and interpretation of information from images/videos.
  • Transforms visual data into numerical arrays to enable ML algorithms.
  • Enables machines to "see" and understand the world in ways similar to humans.
  • Advancements in algorithms (CNNs), GPU resources, distributed architectures, cloud computing, and data availability have made it possible.
  • Self-driving cars and automated retail systems like Amazon Go are examples.

Natural Language Processing

  • Enables machines to automatically process, analyze, and generate human language.
  • Algorithms parse sentences by splitting them into words/letters or reading them left-to-right and right-to-left.
  • Numerous use cases across industries: Named Entity Recognition (NER), Part-of-speech tagging, Reading comprehension, Machine translation, Text summarization, Spellcheck and autocomplete.
  • Innovations in deep learning have made it faster and easier to train ML models on human language.
  • Siri and Alexa are prime examples.

Robotics

  • Branch of science designing, constructing, operating, and applying robots to solve problems and automate tasks.
  • Robots range in forms and sizes.
  • Robotics research has made tremendous strides in technology.
  • Many robots have relied on expert systems. The robots of tomorrow integrate ML, CV, and NLP.
  • Robots will be able to adapt and improve their performance and handle a wider variety of tasks, with the use of ML.
  • With CV, robots will see and understand their environment, and with NLP, they will understand and process human language.

AI Applications

  • AI in E-Commerce: Enhances customer experience and operational efficiency through personalized shopping, Al-powered assistants (chatbots), and fraud prevention.
  • AI in Navigation: Enhances user experience by providing accurate, timely information.
  • AI in Robotics: Al-powered robots can perform tasks like carrying goods in hospitals, cleaning offices, and managing inventory.
  • AI in Human Resources: Simplifies the hiring process by analyzing resumes and profiles to filter candidates.
  • AI in Healthcare: Utilized to build systems that can detect diseases and identify conditions, aiding in drug discovery.
  • AI in Agriculture: Improves crop production and soil health, detects nutrient deficiencies and weeds.
  • AI in Gaming: Creates smart, human-like non-playable characters (NPCs).
  • AI in Automobiles: Key in self-driving vehicles and offers safety features.
  • AI in Social Media: Enhances user experience, recommends posts, translates and filters content.
  • AI in Marketing: Delivers targeted and personalized ads and aids in content marketing.

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