What is a Bayesian network, and why is it important in AI?

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Bhavesh Badani · Answer

Bayesian networks are like detectives that help us solve mysteries using clues. Imagine you’re trying to figure out who ate the last cookie in the kitchen. You have some evidence: maybe you saw crumbs on the floor or heard a suspicious giggle.and 
Here’s where Bayesian networks come in:
Clues and Probabilities:
A Bayesian network collects all the clues (evidence) you have. These clues can be things like “crumbs on the floor” or “giggling sounds.”Each clue has a probability associated with it. For example, the crumbs might make you 70% sure someone ate the cookie.
Connecting the Clues:
The network connects these clues like puzzle pieces. It shows how they relate to each other.and For instance, if you hear giggling sounds, it might increase the chance that someone ate the cookie.
Solving the Mystery:
As more clues come in, the network updates its guesses. It adjusts the probabilities based on new evidence.Eventually, it gives you the most likely answer: “The giggler probably ate the cookie!”
Why Are They Important in AI?
Bayesian networks are like super-smart detectives for computers. They help AI make decisions when things are uncertain.In AI, we deal with lots of unknowns—like predicting weather, diagnosing diseases, or recommending movies. Bayesian networks handle this uncertainty.They’re like magical calculators that combine evidence and probabilities to give us the best guess.

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What is a Bayesian network, and why is it important in AI?

Amartya Singh

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