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Articles by Josh Lewis

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Josh Lewis is the VP of Industry Applications at Alpine Data. Josh has ten years of experience across academia and industry in machine learning, data analysis, cognitive science and user experience. Prior to joining Alpine, Josh lead the frontend engineering team at Ayasdi where he built apps and APIs for the healthcare, pharmaceutical and finance verticals, as well as Ayasdi's domain-general data analysis and visualization software. Before joining Ayasdi, Josh was a PhD student and postdoc at the UC San Diego Cognitive Science Department where he investigated the role of human perception and insight in the data analysis process. He also developed novel software for applying unsupervised machine learning algorithms called Divvy, a project that was supported by a multi-year NSF grant.


Smart Dust Is Coming: New Camera Is the Size of a Grain of Salt

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Miniaturization is one of the most world-shaking trends of the last several decades. Computer chips now have features measured in billionths of a meter. Sensors that once weighed kilograms fit inside your smartphone. Researchers are aiming to take sensors smaller--much smaller. In a new University of Stuttgart paper published in Nature Photonics, scientists describe tiny 3D printed lenses and show how they can take super sharp images.


Chatbots are not as A.I.-driven as you might think (yet)

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Consumer interests have changed, and they will keep changing. Social media switched the balance of power away from company-controlled communication and into the consumer camp -- not just in-the-moment, but precisely at their moment, on their devices, on the channels they choose. But with the advent of messaging and the recent injection of A.I. into messaging platforms in the form of chatbots, it's more than just communication that is shifting -- it's the entire way people and businesses interact. While messaging platforms are the future of consumer-brand engagement, A.I. technology is in its infancy as it relates to truly engaging with humans. There is a long way to go before people are having open-ended conversations with chatbots that don't end in disappointment. Before I explain my point, here's some background on messaging apps.


Three Impactful Machine Learning Topics at ICML 2016

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The International Conference on Machine Learning (ICML) is the leading international academic conference in machine learning, attracting 2000 participants. This year it was held in NYC and I attended on behalf of Init.ai. Three of the tutorial sessions I attended were quite impactful. Anyone working on conversational apps, chatbots, and deep learning would be interested in these topics. I've written before about Residual Neural Network research, but listening to Kaiming was informative.


Book: Mastering Machine Learning with R

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If you want to learn how to use R's machine learning capabilities to solve complex business problems, then this book is for you. Some experience with R and a working knowledge of basic statistical or machine learning will prove helpful. Machine learning is a field of Artificial Intelligence to build systems that learn from data. Given the growing prominence of R?a cross-platform, zero-cost statistical programming environment?there The book starts with introduction to Cross-Industry Standard Process for Data Mining. It takes you through Multivariate Regression in detail.


UC San Diego, Human Vaccines Project Harness Advances in Machine Learning - Press Release Rocket

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The Human Vaccines Project is teaming with the University of California San Diego to apply advances in machine learning to solve critical problems impeding the development of vaccines and therapeutics for a wide range of diseases. The Human Vaccines Project (Project) is a new global public-private partnership of academic research centers, industry, non-profits and government agencies designed to accelerate the development of next-generation vaccines and immunotherapies. On Friday, July 8, the California Institute for Telecommunications and Information Technology (Calit2) Qualcomm Institute (QI) will host an invitation-only Workshop on Human Vaccines and Machine Learning (HVML) in Atkinson Hall on the UC San Diego campus. The workshop will bring together top academic researchers and partners in the vaccine development community from the biotech and pharmaceutical industries, as well as experts from top software companies and IT research organizations. "The Human Vaccines Project has embarked on a decade-long, 1 billion mission to decode the human immune system," said Wayne C. Koff, Ph.D., President and CEO of the Human Vaccines Project.


4 Reasons Self-Driving Cars Make Me Nervous

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In January 2016, the Obama administration set aside four billion dollars to fast-forward the development and implementation of self-driving vehicles through real-world pilot projects. Without a doubt, self-driving vehicles will be safer than any cars driven by humans. In fact, it's estimated that autonomous vehicles will reduce traffic accidents by 94 percent. So, whether you're for or against self-driving cars, there's no turning back -- the future is here. But before we get too ahead of ourselves, there are still some kinks we need to work out.


AI experts weigh in on Microsoft CEO's 10 new rules for artificial intelligence - TechRepublic

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"Now is the time for greater coordination and collaboration on AI," Microsoft CEO Satya Nadella wrote in a blog post for Slate on Tuesday. Like IBM, Google, Facebook, and other tech giants, Microsoft has jumped into AI full-force, releasing Azure Machine Learning, a cloud-based analytics tool, part of its Cortana Intelligence Suite, in 2015. It has also made mistakes, and recently sparked media attention with the release of Tay, a teenage chatbot that began uttering racist and sexist slurs on Twitter. Why Dick's Sporting Goods decided to play its own game in e commerce Dick's Sporting Goods has long partnered with eBay Enterprise on its e -commerce platform. Learn the benefits and risks of this multi -million dollar IT bet.


Will AI and Robotics Destroy Society? An Eccentric Life

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Many bright minds, like Stephen Hawking, believe that the development and use of advanced artificial intelligence could lead to the end of humanity. There have been books written theorizing about the potential dangers of AI like, "SuperIntelligence: Paths, Dangers, and Stategies", by Nick Bostrom, which is a fascinating and dense read that most people probably won't be able to get through. Like most topics in life, there are two directly opposing sides of belief surrounding a heated topic, and artificial intelligence is no different. There are very successful and smart people like Ray Kurzweil, who have written multiple books on the subject, and who are in strong support of artificial intelligence and other new technology. Some may even call Ray Kurzweil's belief in AI a little extreme, and many people have criticized his beliefs and theories in the past, but discussing his critics isn't the point of this article.


Machine Learning - Some Bones

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Machine learning is a loose term, it covers many activities. From a software engineering aspect it could be seen as an activity evolved from pattern recognition. It can be even more narrowly viewed as the assignment of a label to a given input value. A system designed to learn from examples would contain a classifier that takes data as input and assigns a label to it as output. The above is the source code for a machine learning program written in python using the SciKit-Learn library.