2. Types of AI Flashcards

1
Q

What are the three high level categories of artificial intelligence?

A
  1. artificial Narrow Intelligence (ANI)
  2. Artificial General Intelligence (AGI)
  3. Artificial Superintelligence (ASI)
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2
Q

What is Artificial Narrow Intelligence (ANI)?

A
  • Designed to perform a single or a narrow set of related tasks at a high level of proficiency (ex. A system designed to play chess)
  • Operates under a narrow set of constraints and limitations
  • Commonly referred to as weak AI
  • Boosts productivity and efficiency by automating repetitive tasks, enabling smarter decision-making and optimization through trend analysis
  • Embedded in many industries, from health care to financial services, manufacturing and
    customer service to benefit both organizations and end users
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3
Q

What is Broad Artificial Intelligence?

A
  • More advanced in scope than Artificial Narrow Intelligence (ANI), capable of performing a broader set of tasks
  • Relies on a group of AI systems, capable of working together and combining their
    decision-making capabilities (ex. autonomous driving vehicles)
  • Lacks full, human-like capabilities experts expect of Artificial General Intelligence
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4
Q

What is Artificial General Intelligence (AGI), Strong, deep, or Full AI?

A

Systems that have strong generalization capabilities, the ability to think, understand, learn and preform complex tasks, and achieve goals in different contexts and environments. (Closely mimic human intelligence)

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5
Q

What is Artificial Superintelligence (ASI)?

A

AI systems with intellectual powers beyond those of humans across a comprehensive range of categories and fields of endeavor (Capable of outperforming humans, self-aware, understanding human emotions and capable of evoking its own - experiencing reality as a human)

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6
Q

What is machine learning?

A
  • Branch of AI that leverages data and algorithms to enable systems to repeatedly learn and make decisions
  • Improves over time without being explicitly instructed or programmed to do so.
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7
Q

What are the primary models of machine learning?

A
  1. Supervised learning
  2. Unsupervised learning
    (Semi-supervised learning)
  3. Reinforcement learning
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8
Q

Describe the Supervised Learning:

A

Model learns from pre-labeled and classified data set.

  • An algorithm analyzes the input data and associated labels to produce an inferred
    function, that becomes the basis for the system to make predictions based on new,
    previously unseen inputs
  • Compare their outputs with correct or intended output, to identify errors and
    improve prediction skills (ex. model that analyzes images of road signs labeled to define the sign’s meaning or purpose)
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9
Q

What are the two subcategories of the Supervised Learning Model?

A
  1. Classification models: produce outputs in the form of a specific categorical response (ex. whether an image contains a puppy)
  2. Regression models: predict a continuous value (ex. estimating a stock price)
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10
Q

Describe Unsupervised Learning:

A

Model does not rely on labeled datasets.

  • Designed to identify differences, similarities and other patterns without human supervision
  • More cost-efficient and require less effort but also susceptible to producing less accurate outputs and display unpredictable behaviors
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11
Q

What are two subcategories of Unsupervised Learning?

A
  1. Clustering: automatically grouping data points that share similar or identical attributes (ex. DNA patterns that share similarities or patterns)
  2. Association rule learning: identifying relationships and associations between data points (ex. understanding consumer buying habits, anomaly identification in mechanical faults, fraud identification, consumer segmentation and marketing strategies, genetics)
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12
Q

Describe Reinforcement Learning:

A

The use of reward and punishment matrix to determine a correct or optimal outcome

  • Rely on trial and error to determine what to do or what not to do; rewarded or
    punished accordingly
  • Do not ingest pre-labeled data sets; learning is solely through action and repetition,
    changing or not changing state or getting feedback from their environment
  • Actions and decisions that result in a reward reinforce the triggering behavior
    (incentivizing the model to follow the same tactic in the future)
  • Errors trigger a penalty and reduce the reward, proportional in size to the scale of
    the error

Examples:
- A robot navigating a maze or stocking shelves in a large warehouse (robot is
rewarded for identifying the most efficient routes and avoiding certain obstacles or
hazards)
- Generative predictive text (making the model mimic human writing or
responses based on feedback)
- Improving the placement of online ads in a real-time bidding environment
- Amazon’s Warehouse Supply Chain Optimization

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13
Q

Describe semi-supervised Learning:

A

A combination of Supervised and Unsupervised Learning processes

  • Uses a small amount of labeled data and a large amount of unlabeled data
  • Aims to leverage the benefits of both models: improving reliability while reducing costs
  • Helpful in scenarios where it is challenging to find or create a large pre-labeled dataset *

-Examples:
- Image and speech analysis
- Categorization and ranking of web page search results
- Large Language Models (LLMs): A form of AI that utilizes deep learning algorithms to
create models trained on massive text data sets to analyze and learn patterns and
relationships among characters, words and phrases. LLMs often rely on Semi-Supervised Learning Models
- ChatGPT, Dall-e and other generative AI tools

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14
Q

What is Machine Perception?

A
  • Evolving field of potential convergence between robotics and AI
  • Systems are trained to process sensory information and mimic the human senses: sight, sound, touch, smell and taste
  • Robotic sensors provide relevant data through cameras, microphones, pressure sensors, 3D scanners, motion detectors and thermal imaging
  • Combining sensors and AI models enable systems to sift through data at a much faster rate and order of magnitude beyond human ability; eliminating noise, analyzing and categorizing information

Examples: food production: improve preparation and storage by developing systems that can
touch, smell and taste the produce

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15
Q

What is Robotic Process Automation (RPA)?

A
  • Evolving technology that uses software robots to automate repetitive and rule-based tasks within business processes
  • Designed to mimic human actions on digital systems, (ex. data entry and form processing)
  • Natural language processing machines learning enhances RPA robots’ automation capabilities
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16
Q

Describe Expert Systems:

A
  • Mimics the decision-making abilities of a human expert within a specific field
  • Draws inferences from a specific knowledge base and relies on AI to replicate the judgment and behavior of a human with a specific expertise
  • Widely deployed across industries: financial services, health care, agriculture, engineering
  • Designed to support and assist humans, rather than replace them (ex. a medical diagnosis system designed to aid doctors in determining the type and stage of a cancerous growth)
17
Q

What are the three main elements of expert system?

A
  1. Knowledge base: Typically consists of an organized collection of facts and information
    provided by human experts and focused on a specific field or domain; system is also allowed to gather additional information from external sources
  2. Inference engine: Extracts relevant information from a knowledge base and uses it to solve a problem
  • Uses a rule-based approach that maps data from the knowledge base to a series of
    rules, which the system relies on to make decisions in response to the input provided
  • Expert systems often include a module that allows users to review its decision-making process
  1. User interface: Allows the end user to interact with expert system by providing it an input (problem or question) and obtaining an output (resolution)
18
Q

Describe Fuzzy Logic:

A
  • A method of reasoning intended to mimic or resemble human decision-making
  • Conventional logic used in computing, also known as crisp logic, generally takes the form of precise inputs and outputs, often binary in nature, such as true or false, yes or no
  • Enables a range of possible inputs to achieve an output; allows for a situation where a statement can be partially true or partially false, and provides a method to represent uncertainty and vagueness in decision-making
  • Relies on linguistic variables and fuzzy rules
19
Q

Describe Linguistic Variables and Fuzzy Rules:

A

Linguistic variables describe concepts in natural language terms, such as “low”,
“medium” or “high” and “warm”, “hot” or “very hot”

Fuzzy rules express relationships between variables by using if-then statements. For
example, a rule might state, “If the temperature is ‘very hot’, then the fan speed
should be set to ‘high’.”

20
Q

Describe Fuzzy Logic Systems:

A
  • Employ fuzzy inference mechanisms to make decisions based on the fuzzy rules and input
    data
21
Q

What are the four standard steps Fuzzy Logic Systems”

A
  1. Fuzzification: input data is converted into fuzzy data sets
  2. Rule evaluation: determines the degree of matching between the rules and input data
  3. Aggregation: rule outputs are combined
  4. Defuzzification: the process through which fuzzy outputs are concerted back into specific values.

Examples: climate control systems, image recognition systems, traffic management systems