Book Image

Artificial Intelligence By Example - Second Edition

By : Denis Rothman
Book Image

Artificial Intelligence By Example - Second Edition

By: Denis Rothman

Overview of this book

AI has the potential to replicate humans in every field. Artificial Intelligence By Example, Second Edition serves as a starting point for you to understand how AI is built, with the help of intriguing and exciting examples. This book will make you an adaptive thinker and help you apply concepts to real-world scenarios. Using some of the most interesting AI examples, right from computer programs such as a simple chess engine to cognitive chatbots, you will learn how to tackle the machine you are competing with. You will study some of the most advanced machine learning models, understand how to apply AI to blockchain and Internet of Things (IoT), and develop emotional quotient in chatbots using neural networks such as recurrent neural networks (RNNs) and convolutional neural networks (CNNs). This edition also has new examples for hybrid neural networks, combining reinforcement learning (RL) and deep learning (DL), chained algorithms, combining unsupervised learning with decision trees, random forests, combining DL and genetic algorithms, conversational user interfaces (CUI) for chatbots, neuromorphic computing, and quantum computing. By the end of this book, you will understand the fundamentals of AI and have worked through a number of examples that will help you develop your AI solutions.
Table of Contents (23 chapters)
21
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22
Index

Getting started with Nengo

In a nutshell, Nengo builds brains, not mental representations, as in classical machine learning and deep learning.

Nengo stands for Neural Engineering Object. It has both scripting capability with Nengo and a graphical capacity with Nengo GUI. We will be using NEF, which is Nengo's Neural Engineering Framework (NEF).

Nengo was created by the Centre for Theoretical Neuroscience at the University of Waterloo (Ontario, Canada). Chris Eliasmith has played an important role in this project.

We have explored many ways to approach cognitive modeling in the previous chapters. Nengo uses an NEF to implement an SPA.

A semantic pointer is a neural representation in a biological system that carries structures that will lead to higher-level cognitive representations.

The term pointer refers to pointers as we know in C++, for example, because they can access data they do not contain.

The term semantic refers to the fact...