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Efficient Performance Bounds for Primal-Dual Reinforcement Learning from Demonstrations

arXiv.org Artificial Intelligence

We consider large-scale Markov decision processes with an unknown cost function and address the problem of learning a policy from a finite set of expert demonstrations. We assume that the learner is not allowed to interact with the expert and has no access to reinforcement signal of any kind. Existing inverse reinforcement learning methods come with strong theoretical guarantees, but are computationally expensive, while state-of-the-art policy optimization algorithms achieve significant empirical success, but are hampered by limited theoretical understanding. To bridge the gap between theory and practice, we introduce a novel bilinear saddle-point framework using Lagrangian duality. The proposed primal-dual viewpoint allows us to develop a model-free provably efficient algorithm through the lens of stochastic convex optimization. The method enjoys the advantages of simplicity of implementation, low memory requirements, and computational and sample complexities independent of the number of states. We further present an equivalent no-regret online-learning interpretation.


Deploying machine learning models with flask for beginners

#artificialintelligence

The deployment of the machine learning model is rarely discussed. Let's dive into data science with python and learn how we can create our own API (Application Programming Interface) where we can send data to and let our model return a prediction. This course is a practical hands on course where we learn to deploy our trained machine learning models aka neural networks with the flask web framework. This is a beginners class. You don't need any pre-knowlege about flask but you should know about neural networks and python.


A desert robot depicts AI's vast opportunities

#artificialintelligence

When Hongzhi Gao was young, he lived with his family in Gansu, a province located in the center of northern China by the Tengger Desert. Thinking back to his childhood, he recalls the constant, steady wind of dirt outside their house, and that during most months of the year it didn't take more than a minute after stepping outside before sand would fill any empty space and creep into his pockets, boots, and his mouth. The monotony of the desert stuck in his head for years, and at university he turned that memory into an idea to build a machine that can bring plant life to the desert landscape. Efforts to stop desertification--the process by which fertile land becomes desert--have been primarily focused on expensive manual solutions. Hongzhi designed a robot with deep learning technology to automate the process of tree planting: from identifying optimal spots to planting tree seedlings to watering. Despite having no experience with AI, as an undergraduate student Hongzhi used Baidu's deep learning platform PaddlePaddle to stitch together different modules to build a robot with better object detection capability than similar machines already available in the market.


The Future of Work: How Artificial Intelligence Can Augment Human Capabilities Book - Skillsoft

#artificialintelligence

Written by academic scholars and industry professionals, this book discusses how innovative companies are leveraging Artificial Intelligence and intelligent tools to make the workforce more inclusive, and enhance and augment the human worker rather than replace it.


Safe AI in Education Needs You

#artificialintelligence

Interest and investment in AI for Education is accelerating. So is concern about the issues that will arise when AI is widely implemented in educational technologies -- such as bias, fairness, and data security. With our team at the Center for Integrative Research in the Computing and Learning Sciences (CIRCLS), we see that organizations around the world--like UNESCO or the new EdSafe AI Alliance--are organizing people to tackle the issues. In the US, organizations like Stanford's HAI are addressing the issues of AI in healthcare, but not so much in education. Over the past year, my colleagues organized a working group in AI and education policy.


Amira Learning CEO Personalizes Artificial Intelligence For Literacy Gains

#artificialintelligence

Amira Learning's award-winning app brings literacy to life for younger learners Education, like many sectors across the globe, has found an increasing need to develop technologies that support a new'normal' following the initial and transformational impacts of Covid-19 on teaching and learning. Many learning challenges for students remain the same even if the landscape has fundamentally changed from traditional brick-and-mortar schools to digital classrooms and e-learning experiences. The time, for EdTech, to answer has come faster than the sector might have previously forecasted and all eyes are on the results of technology investments that are outpacing years prior. While advancements in artificial intelligence (AI) have saturated our digital experiences and impacted consumer behaviors, there is still a struggle to see tangible AI applications in the day-to-day of teaching and learning. Maybe that horizon is closer than previously expected.


AI in the World: How can we prepare our students?

#artificialintelligence

Artificial intelligence in the world is growing at a rapid rate. We are interacting with AI every single day without even realizing it, which is the nature of how AI works. A few years ago, I decided to learn about artificial intelligence because I wanted to teach about it in my eighth-grade STEAM course. At the time, I didn't realize how much I was using AI every day, nor was I able to provide a definition of what it was. My perception of AI was that it involved robots, similar to what I had seen in the movie I Robot.


How AI, VR, AR, 5G, and blockchain may converge to power the metaverse

#artificialintelligence

Emerging technologies including AI, virtual reality (VR), augmented reality (AR), 5G, and blockchain (and related digital currencies) have all progressed on their own merits and timeline. Each has found a degree of application, though clearly AI has progressed the furthest. Each technology is maturing while overcoming challenges ranging from blockchain's energy consumption to VR's propensity for inducing nausea. They will likely converge in readiness over the next several years, underpinned by the now ubiquitous cloud computing for elasticity and scale. And in that convergence, the sum will be far greater than the parts.


Udacity Machine Learning Engineer Nanodegree Review

#artificialintelligence

Are you looking for Udacity Machine Learning Engineer Nanodegree Review?… If yes, this Udacity Machine Learning Engineer Nanodegree Review will help you to decide whether it is worth it or not for you. Before discussing the content and projects of Udacity Machine Learning Engineer Nanodegree, I would like to clear a few things about Udacity Machine Learning Engineer Nanodegree Program. Udacity Machine Learning Engineer Nanodegree is not for Beginners. If you don't have a previous understanding of Machine Learning algorithms and Python Programming knowledge, I would not suggest this Udacity Machine Learning Engineer Nanodegree Program.


Will Humans Be Robots? - NewsMakers

#artificialintelligence

Life is like a closet in which nature, under its autonomous system, folds the memories of our past. Whenever we look inside this closet, good and bad memories come before our eyes. It is not possible that if we open the window of our past, only cold winds will come, even warm air may burn our faces because life is a collection of good and bad memories that make us laugh even when we cry. I vividly remember the days of my childhood when my grandfather would cough loudly at the door before entering the house and my mother would hide her face to see him. It happened every day and I had to think every time as to why my mother hid her face before my grandfather, though he was a gentleman.