What is a chatbot?
AnswerSoftware that converses with people in natural language
Chatbots understand and respond to text or speech in human language.
AI · Facts & stats
AI facts & stats
7 fact-checked facts about artificial intelligence, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which field of AI helps computers interpret images and video?
AnswerComputer vision
Computer vision enables machines to recognize objects, faces and scenes in images.
Going deeper
Supervised learning trains a model using what?
AnswerLabeled examples with known answers
In supervised learning, each training example comes with the correct label the model learns to predict.
Grouping similar data points without any labels is an example of which approach?
AnswerUnsupervised learning (clustering)
Clustering is unsupervised: the algorithm finds groups in data without being told the answers.
What makes deep learning "deep"?
AnswerNeural networks with many layers
Deep learning uses neural networks with many stacked layers that learn increasingly complex features.
Expert level
The Transformer architecture was introduced in a 2017 paper with what title?
AnswerAttention Is All You Need
The 2017 paper 'Attention Is All You Need' introduced the Transformer, built around attention mechanisms.
What does gradient descent do when training a model?
AnswerAdjusts parameters step by step to reduce error
Gradient descent moves parameters in the direction that most reduces the loss, a little at a time.
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