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Artificial Intelligence Fundamentals

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Artificial Neural Networks (ANNs)

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Computational models inspired by the human brain, used in AI to approximate functions and patterns. Example: Image recognition systems.

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Reinforcement Learning

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An area of machine learning where an agent learns to make decisions by taking actions in an environment to achieve maximum cumulative reward. Example: A robotics system that learns to navigate obstacles.

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Symbolic AI

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AI that revolves around ideas that are defined and manipulated as symbols—entities that represent something else. Example: Expert System rules encoding medical knowledge.

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Supervised Learning

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A type of machine learning where the model is trained on labeled data. Example: Spam filter trained to recognize spam emails from a labeled dataset.

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Recurrent Neural Networks (RNNs)

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A class of neural networks where connections between nodes form a directed graph along a temporal sequence, allowing it to exhibit temporal dynamic behavior. Example: Text generation.

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Adversarial Networks

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AI models that involve networks competing against each other, typically a generator and a discriminator. Example: Generative Adversarial Networks (GANs) for creating realistic images.

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Natural Language Generation (NLG)

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The subfield of AI which produces written or spoken narrative from a data source. Example: A system that generates weather reports from meteorological data.

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Deep Learning

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A class of machine learning utilizing deep neural networks with multiple layers. Example: Google's AlphaGo.

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Decision Trees

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Predictive models that map observations about an item to conclusions about the item's target value using a tree-like structure. Example: Credit risk assessment.

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Convolutional Neural Networks (CNNs)

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A deep learning algorithm which can take in an input image, assign importance to aspects (objects) in the image, and be able to differentiate one from the other. Example: Handwriting recognition.

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Cognitive Computing

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Systems that mimic human thought processes in a computerized model, aiming to help in decision-making. Example: IBM's Watson participating in the game show Jeopardy!.

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Genetic Algorithms

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Search heuristics inspired by the process of natural selection to generate solutions to optimization and search problems. Example: Evolving neural network structures.

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Computer Vision

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Field of AI that enables computers to interpret and analyze visual information from the world. Example: Autonomous vehicle navigation.

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Natural Language Processing (NLP)

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The field of AI focused on the interaction between computers and human languages. Example: Virtual assistants like Siri or Alexa.

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Semi-supervised Learning

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A machine learning approach involving a combination of a small amount of labeled and a large amount of unlabeled data during training. Example: Enhancing speech recognition models with limited transcribed audio data.

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Bayesian Networks

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Graphical models that represent the probabilistic relationships among a set of variables. Example: Medical diagnosis systems.

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Logic Programming

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A programming paradigm where program statements express facts and rules about problems within a system of formal logic. Example: Prolog used for creating an AI agent.

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Support Vector Machines (SVM)

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Supervised learning models used for classification and regression tasks by finding the best hyperplane that separates data points of different classes. Example: Spam detection in emails.

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Random Forests

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An ensemble learning method involving a multitude of decision trees, improving prediction accuracy. Example: Stock market behavior prediction.

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Heuristic Search

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Search strategies using domain knowledge to find solutions more efficiently than classic methods. Example: A* algorithm for pathfinding in games.

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Expert Systems

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Computer systems that emulate the decision-making ability of a human expert by following a set of rules. Example: Medical diagnosis assistant.

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Planning

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AI technique that involves finding a sequence of actions that leads from the initial state to the desired goal state. Example: Path planning for autonomous robots.

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Reinforcement Learning

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An area of machine learning where an agent learns to make decisions by taking actions in an environment to achieve maximum cumulative reward. Example: A chess-playing algorithm.

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Transfer Learning

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A technique where a model developed for a task is reused as the starting point for a model on a second task. Example: Pre-trained image recognition models used for new specific tasks.

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Automated Reasoning

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An area in AI and cognitive computing that's concerned with the study and development of algorithms and software that reason automatically. Example: Solving geometry problems.

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Fuzzy Logic

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A form of many-valued logic dealing with reasoning that is approximate rather than fixed and exact. Example: Climate control systems.

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Intelligent Agents

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Systems that perceive their environment and take actions to maximize their chances of success at some goal. Example: Roomba vacuum cleaner.

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Machine Learning

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A subset of AI that involves algorithms allowing computers to learn from data and improve over time. Example: A recommendation system on a streaming service.

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Unsupervised Learning

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Machine learning using information that is neither classified nor labeled, and allowing the algorithm to act on that information without guidance. Example: Grouping customers in market segmentation.

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Knowledge Representation

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Ways in which intelligent agents can model the world to make decisions or perform tasks. Example: Ontologies in semantic web applications.

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