A

Activation Function

A mathematical equation within a neuron that determines its output by processing the weighted sum...

AI and Knowledge Worker Productivity

Studies suggest knowledge workers using generative AI for tasks "inside the frontier" of AI capabilities...

AI as Waves

Artificial intelligence is described as a massive set of waves that are upon us, suggesting...

AI Compute

In AI context, often used as a noun referring to the amount or existence of...

AI Effect (AI Paradox)

A phenomenon stating that once a problem thought to require intelligence is solved by a...

AI Literacy

AI literacy is the ability to recognise, grasp, use, and critically assess artificial intelligence technologies...

AI Winter

A period of decreasing interest and funding in AI research and work. Characterised by a...

AlexNet

An eight-layer neural network created by Alex Krizhevsky, Ilya Sutskever, and Geoffrey Hinton. It won...

Algorithmic Bias (Bias and Fairness)

Consistent, systematic errors in AI systems creating unfair outcomes by unjustly favoring one group. Stems...

Alignment Problem

The challenge of ensuring that the goals of an AI system are aligned with human...

AlphaGo

Developed by Google DeepMind. Defeated world Go champion Lee Sedol in 2016 using deep neural...

Ancient Myths

Since ancient times, humans have been fascinated by the idea of intelligent machines, exemplified by...

Artificial Intelligence (ChatGPT)

OpenAI's ChatGPT (GPT-4) defined AI as referring "to the simulation of human intelligence in machines...

Artificial Intelligence (McCarthy)

Defined by John McCarthy, who coined the term in 1955, as "the science and engineering...

Artificial Intelligence (Oxford)

The Oxford English Dictionary defines "artificial intelligence" as "The capacity of computers or other machines...

Artificial Intelligence (US Congress)

The National Artificial Intelligence Initiative Act of 2020 defined "artificial intelligence" as "a machine-based system...

Artificial Neuron

A computational model inspired by biological neurons. Receives digital inputs, multiplies by weights, sums them...

Ascent of Neural Networks

While present from the beginning (Dartmouth workshop), neural networks fell out of favour, but research...

Automation (Home)

AI is used to automate household chores and tasks (e.g., robot vacuums, automated dishwashing) and...

Automation (Workplace)

AI is used to automate tedious, repetitive tasks and business processes (e.g., document processing, legal...

B

Backpropagation

A method for training DNNs. Involves a forward pass (input to output prediction) and a...

Biological Neuron

A nerve cell in the human brain composed of a nucleus, axon, and dendrites, communicating...

Burden of Ease

Relates to the potential loss of character building and connection to oneself and the world...

C

ChatGPT

Released by OpenAI on November 30, 2022. An AI chatbot using large language models (LLMs)...

Clustering

An unsupervised ML algorithm used to find groups (clusters) in unlabeled data where members are...

Combating Disinformation

AI is also used to scan content, identify signs of disinformation or fake news, and...

Convolutional Neural Network (CNN)

A type of DNN primarily used in computer vision to identify and classify objects in...

Credit Assignment Problem

The challenge in training DNNs to figure out how much each weight in the hidden...

D

Dartmouth Workshop

Held in Hanover, New Hampshire during the summer of 1956, organised by John McCarthy. Widely...

Data Literacy

Data literacy is defined as the ability to read, understand, create, and communicate data as...

Data Quality and Bias

Real-world data used for training AI is often "dirty" (missing values, errors) and reflects societal...

Deep Learning (DL)

A special branch and subset of machine learning involving deep neural networks (DNNs). It's contained...

Deep Neural Network (DNN)

A neural network with two or more hidden layers between the input and output layers....

E

Economic Inequality

AI has the potential to deepen inequality within and between countries. Workers who can harness...

Economic/Financial Benefits

AI can drive productivity gains for companies and economies by automating tasks and enhancing existing...

ELIZA

Created in 1966 by MIT professor Joseph Weizenbaum. It was one of the first "chatterbots"...

Environmental Factors Fueling ML

Machine learning's ascendance has been fueled by dramatic increases in AI compute (computational power/speed, including...

Environmental Impact

AI training and operations require massive energy, burdening the environment. However, AI can also be...

Existential Threat

A controversial, hypothetical concern that AI's intelligence could grow exponentially beyond human control (technological singularity),...

Expert Systems

AI programs popular in the 1980s using predefined rules and knowledge bases in specific fields...

F

Feedforward Neural Network

A type of neural network where connections only go forward, from input to output layers,...

First AI Winter

Mid- to late 1970s, often attributed to overpromising and underdelivering on early AI predictions.

G

General Problem Solver (GPS)

A rules-based symbolic AI program developed by Newell, Simon, and Shaw in 1957. Intended to...

General Purpose AI (GPAI)

A relatively new term defined in the EU's AI Act for AI models displaying significant...

Generative Adversarial Network (GAN)

AI architecture introduced in 2014. Consists of a generator neural network that creates content (fakes)...

Golden Age of AI

The first two decades after the Dartmouth workshop (1956-1974), characterised by enthusiasm and optimism for...

GPUs (Graphical Processing Units)

Special computer chips originally for graphics, repurposed for training machine learning models, especially deep neural...

Gradient Descent

A mathematical technique used in backpropagation to find the direction and amount to change weights...

H

Hidden Layer

Any layer of neurons in a neural network located between the input layer and the...

Hyperparameter

Aspects of a neural network set by humans before training (e.g., number of layers/neurons, activation...

I

ImageNet

A massive database of labeled photographs built by Fei-Fei Li and collaborators starting in 2006...

Information and Propaganda

AI may spread disinformation and propaganda, including deepfakes, potentially affecting public opinion, voting behaviour, and...

J

Job Displacement

New technologies like AI can eliminate some jobs, augment others, and create new ones, leading...

L

Large Language Model (LLM)

A type of deep neural network trained on massive text data to process and generate...

LeNet

Proposed in 1989 by Yann LeCun. A convolutional neural network architecture employing backpropagation to recognise...

Logic Theorist

Presented at the 1956 Dartmouth workshop by Allen Newell, Herbert A. Simon, and Cliff Shaw....

M

Machine Learning (ML) Basics

ML is an umbrella term for statistical algorithms applied to data to learn patterns and...

N

Neocognitron

Invented in 1979 by Kunihiko Fukushima. A multilayered neural network trained to recognise features in...

Neural Network

An AI program containing many artificial neurons arranged in layers and connected. A simple type...

O

Overfitting

A problem in ML where a model learns noise and irrelevant details in the training...

P

Perceptron

Developed in 1957 by Frank Rosenblatt. The first actual implementation of an artificial neural network,...

Potential Copyright Infringement

Generative AI models trained on large amounts of internet data (including copyrighted works) can produce...

R

Reinforcement Learning (RL)

One of the three major forms of ML. An AI agent learns to make decisions...

Reinforcement Learning from Human Feedback (RLHF)

A training method used for finetuning LLMs like GPT, where human evaluators assess and score...

S

Second AI Winter

Starting around 1990 and extending to the early 2000s, coinciding with the decline of interest...

Self-Attention Mechanism

An advancement used in transformer networks allowing simultaneous consideration of every token in a sequence...

Self-supervised Learning

A form of ML where the system itself creates the labels for training data, rather...

Semi-supervised Learning

A form of ML combining supervised and unsupervised learning, using a small amount of labeled...

Strong AI (AGI)

Also called general AI or artificial general intelligence (AGI), it's a hypothetical type of AI...

Subsymbolic AI

The other main branch of AI, also called connectionist AI. It focuses on learning and...

Supervised Learning

One of the three major forms of ML. Goal is to teach a model to...

Sustainable Development Goals (SDGs)

AI can contribute to achieving UN SDGs, such as managing energy grids more efficiently, optimising...

Symbolic AI

One of the two main branches of AI, also called classic AI. It involves explicit...

T

Technological Singularity

A hypothetical future point where AI self-improves uncontrollably, leading to an intelligence explosion dwarfing human...

Token

A chunk of text (word, fragment, letter, phrase) processed by transformers in LLMs.

Training DNNs

Involves methods like backpropagation and gradient descent, typically as part of supervised learning, to adjust...

Transformer

A specific type of neural network architecture introduced in 2017, using a self-attention mechanism that...

Turing Test

Proposed by Alan Turing in his 1950 paper "Computing Machinery and Intelligence". It's an "imitation...

U

Underfitting

A problem in ML where a model is too simple and doesn't learn enough relevant...

Unsupervised Learning

One of the three major forms of ML. Learns from patterns in unlabeled data without...

W

Weak AI (ANI)

Also called narrow AI or artificial narrow intelligence (ANI), it refers to AI designed to...

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