Creating and verifying stable AI-controlled systems in a rigorous and flexible way
MIT News - Artificial intelligence
by Alex Shipps | MIT CSAIL
37m ago
Neural networks have made a seismic impact on how engineers design controllers for robots, catalyzing more adaptive and efficient machines. Still, these brain-like machine-learning systems are a double-edged sword: Their complexity makes them powerful, but it also makes it difficult to guarantee that a robot powered by a neural network will safely accomplish its task. The traditional way to verify safety and stability is through techniques called Lyapunov functions. If you can find a Lyapunov function whose value consistently decreases, then you can know that unsafe or unstable situations ass ..read more
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How to assess a general-purpose AI model’s reliability before it’s deployed
MIT News - Artificial intelligence
by Adam Zewe | MIT News
2d ago
Foundation models are massive deep-learning models that have been pretrained on an enormous amount of general-purpose, unlabeled data. They can be applied to a variety of tasks, like generating images or answering customer questions. But these models, which serve as the backbone for powerful artificial intelligence tools like ChatGPT and DALL-E, can offer up incorrect or misleading information. In a safety-critical situation, such as a pedestrian approaching a self-driving car, these mistakes could have serious consequences. To help prevent such mistakes, researchers from MIT and the MIT-IBM W ..read more
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Marking a milestone: Dedication ceremony celebrates the new MIT Schwarzman College of Computing building
MIT News - Artificial intelligence
by Terri Park | MIT Schwarzman College of Computing
4d ago
The MIT Stephen A. Schwarzman College of Computing recently marked a significant milestone as it celebrated the completion and inauguration of its new building on Vassar Street with a dedication ceremony. Attended by members of the MIT community, distinguished guests, and supporters, the ceremony provided an opportunity to reflect on the transformative gift that initiated the biggest change to MIT’s institutional structure in over 70 years. The gift, made by Stephen A. Schwarzman, the chair, CEO, and co-founder of Blackstone, one of the world’s largest alternative investment firms, was th ..read more
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Reasoning skills of large language models are often overestimated
MIT News - Artificial intelligence
by Rachel Gordon | MIT CSAIL
6d ago
When it comes to artificial intelligence, appearances can be deceiving. The mystery surrounding the inner workings of large language models (LLMs) stems from their vast size, complex training methods, hard-to-predict behaviors, and elusive interpretability. MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) researchers recently peered into the proverbial magnifying glass to examine how LLMs fare with variations of different tasks, revealing intriguing insights into the interplay between memorization and reasoning skills. It turns out that their reasoning abilities are often ..read more
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When to trust an AI model
MIT News - Artificial intelligence
by Adam Zewe | MIT News
6d ago
Because machine-learning models can give false predictions, researchers often equip them with the ability to tell a user how confident they are about a certain decision. This is especially important in high-stake settings, such as when models are used to help identify disease in medical images or filter job applications. But a model’s uncertainty quantifications are only useful if they are accurate. If a model says it is 49 percent confident that a medical image shows a pleural effusion, then 49 percent of the time, the model should be right. MIT researchers have introduced a new approach that ..read more
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MIT ARCLab announces winners of inaugural Prize for AI Innovation in Space
MIT News - Artificial intelligence
by Janine Liberty | Department of Aeronautics and Astronautics
6d ago
Satellite density in Earth’s orbit has increased exponentially in recent years, with lower costs of small satellites allowing governments, researchers, and private companies to launch and operate some 2,877 satellites into orbit in 2023 alone. This includes increased geostationary Earth orbit (GEO) satellite activity, which brings technologies with global-scale impact, from broadband internet to climate surveillance. Along with the manifold benefits of these satellite-enabled technologies, however, come increased safety and security risks, as well as environmental concerns. More accurate and e ..read more
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MIT researchers introduce generative AI for databases
MIT News - Artificial intelligence
by Adam Zewe | MIT News
1w ago
A new tool makes it easier for database users to perform complicated statistical analyses of tabular data without the need to know what is going on behind the scenes. GenSQL, a generative AI system for databases, could help users make predictions, detect anomalies, guess missing values, fix errors, or generate synthetic data with just a few keystrokes. For instance, if the system were used to analyze medical data from a patient who has always had high blood pressure, it could catch a blood pressure reading that is low for that particular patient but would otherwise be in the normal range. GenS ..read more
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Melissa Choi named director of MIT Lincoln Laboratory
MIT News - Artificial intelligence
by Zach Winn | MIT News
2w ago
Melissa Choi has been named the next director of MIT Lincoln Laboratory, effective July 1. Currently assistant director of the laboratory, Choi succeeds Eric Evans, who will step down on June 30 after 18 years as director. Sharing the news in a letter to MIT faculty and staff today, Vice President for Research Ian Waitz noted Choi’s 25-year career of “outstanding technical and advisory leadership,” both at MIT and in service to the defense community. “Melissa has a marvelous technical breadth as well as excellent leadership and management skills, and she has presented a compelling strategic vi ..read more
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Helping nonexperts build advanced generative AI models
MIT News - Artificial intelligence
by Zach Winn | MIT News
3w ago
The impact of artificial intelligence will never be equitable if there’s only one company that builds and controls the models (not to mention the data that go into them). Unfortunately, today’s AI models are made up of billions of parameters that must be trained and tuned to maximize performance for each use case, putting the most powerful AI models out of reach for most people and companies. MosaicML started with a mission to make those models more accessible. The company, which counts Jonathan Frankle PhD ’23 and MIT Associate Professor Michael Carbin as co-founders, developed a platform tha ..read more
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MIT-Takeda Program wraps up with 16 publications, a patent, and nearly two dozen projects completed
MIT News - Artificial intelligence
by School of Engineering
1M ago
When the Takeda Pharmaceutical Co. and the MIT School of Engineering launched their collaboration focused on artificial intelligence in health care and drug development in February 2020, society was on the cusp of a globe-altering pandemic and AI was far from the buzzword it is today. As the program concludes, the world looks very different. AI has become a transformative technology across industries including health care and pharmaceuticals, while the pandemic has altered the way many businesses approach health care and changed how they develop and sell medicines. For both MIT and T ..read more
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