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Deepminds AI-modell ska ge träffsäkra väderprognoser

Det Googleägda AI-företaget Deepmind har presenterat en ny AI-baserad modell för väderprognoser, som uppges vara långt mer träffsäker än traditionella system för väderprognoser. Lösningen – som fått namnet Graphcast – ska enligt Deepmind slå de traditionella systemen 90 procent av gångerna. Dessutom utlovas tiodagarsprognoser som är bättre, snabbare och mer energieffektiva än de verktyg som idag används.

Systemet bygger till stor del på historisk data, med en maskininlärningsmodell som förutspår vädret med utgångspunkt från vad som hänt tidigare.

Graphcast ska enligt Deepmind även vara mycket bra på att förutspå extremt väder och plötsliga temperaturförändringar.

Forskarna bakom modellen menar att systemet primärt ska användas som ett komplement till dagens system för väderprognoser.

 
Google Deepmind
Wikipedia (en)
DeepMind Technologies Limited, doing business as Google DeepMind, is a British-American artificial intelligence research laboratory which serves as a subsidiary of Google. Founded in the UK in 2010, it was acquired by Google in 2014, The company is based in London, with research centres in Canada, France, Germany and the United States. Google DeepMind has created neural network models that learn how to play video games in a fashion similar to that of humans, as well as Neural Turing machines (neural networks that can access external memory like a conventional Turing machine), resulting in a computer that loosely resembles short-term memory in the human brain.DeepMind made headlines in 2016 after its AlphaGo program beat a human professional Go player Lee Sedol, a world champion, in a five-game match, which was the subject of a documentary film. A more general program, AlphaZero, beat the most powerful programs playing go, chess and shogi (Japanese chess) after a few days of play against itself using reinforcement learning. In 2020, DeepMind made significant advances in the problem of protein folding with AlphaFold. In July 2022, it was announced that over 200 million predicted protein structures, representing virtually all known proteins, would be released on the AlphaFold database.DeepMind posted a blog post on 28 April 2022 on a single visual language model (VLM) named Flamingo that can accurately describe a picture of something with just a few training images. In July 2022, DeepMind announced the development of DeepNash, a model-free multi-agent reinforcement learning system capable of playing the board game Stratego at the level of a human expert. The company merged with Google AI's Google Brain division to become Google DeepMind in April 2023.
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