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Algorithm

AI fundamentals

An algorithm is a precise sequence of instructions a machine executes to solve a problem: sorting data, computing a route, recommending content. In AI, learning algorithms adjust a model from examples rather than applying hand-written rules.

In practice at Gensai

Gensai picks the approach to fit the need: simple rules when they suffice, machine learning when complexity demands it.

Rules or learning: how to choose?

Hand-written rules are enough when the logic is stable and easy to explain: calculating a discount, routing requests by keyword, checking a format. Machine learning becomes useful when cases are too numerous or too varied to be described one by one: recognising an image, understanding a freely worded request, detecting an anomaly.

Common mistake

Believing an algorithm is neutral by nature. A trained model reproduces the biases of its training data: its results must be checked on real cases, especially when it influences a decision about people.

Definition written with AI assistance, checked by Sébastien Lecocq, co-founder of Gensai.

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