SPE
The Role of Feature Engineering in a Machine-Learning World
Artificial Intelligence(AI) continues to be the next great topic of debate. In fact, Microsoft, Amazon, IBM, Google and Facebook announced on Thursday,Sept.29 the formation of the Partnership on Artificial Intelligence to Benefit People and Society. Within the predictive analytics discipline, though, we tend to use the term "machine learning" as our reference point for artificial intelligence. Much of our thinking in this area has focused around the role of the practitioner or craftsman versus the machine and the concept of machine learning. Yet, machine learning has now evolved into the usage of higher levels of mathematics and computer science with the most recent level being deep learning.
Green revolution: AI helps identify crop disease with a simple smartphone
Food security is threatened by many things. In some regions, climate variability causes droughts that make vital resources scarce. In others, political turmoil creates logistical blockades for farming, harvesting, and shipping produce. But, practically everywhere, plant disease can wipe out entire crops with little warning. A team of researchers at Pennsylvania State University and the รcole Polytechnique Fรฉdรฉrale de Lausanne, Switzerland have turned the keen eye of artificial intelligence toward agriculture, using deep learning algorithms to help detect crop disease before it spreads.
Deep Reinforcement Learning with Online Generalized Advantage Estimation โ Tom Breloff
Deep Reinforcement Learning, or Deep RL, is a really hot field at the moment. If you haven't heard of it, pay attention. Combining the power of reinforcement learning and deep learning, it is being used to play complex games better than humans, control driverless cars, optimize robotic decisions and limb trajectories, and much more. And we haven't even gotten startedโฆ Deep RL has far reaching applications in business, finance, health care, and many other fields which could be improved with better decision making. It's the closest (practical) approach we have to AGI.
Model evaluation, model selection, and algorithm selection in machine learning
Almost every machine learning algorithm comes with a large number of settings that we, the machine learning researchers and practitioners, need to specify. These tuning knobs, the so-called hyperparameters, help us control the behavior of machine learning algorithms when optimizing for performance, finding the right balance between bias and variance. Hyperparameter tuning for performance optimization is an art in itself, and there are no hard-and-fast rules that guarantee best performance on a given dataset. In Part I and Part II, we saw different holdout and bootstrap techniques for estimating the generalization performance of a model. We learned about the bias-variance trade-off, and we computed the uncertainty of our estimates. In this third part, we will focus on different methods of cross-validation for model evaluation and model selection. We will use these cross-validation techniques to rank models from several hyperparameter configurations and estimate how well they generalize to independent datasets. Previously, we used the holdout method or different flavors of bootstrapping to estimate the generalization performance of our predictive models.
Building The LinkedIn Knowledge Graph
A shorter version of this post first appeared on Pulse, our main publishing platform at LinkedIn. At LinkedIn, we use machine learning technology widely to optimize our products: for instance, ranking search results, advertisements, and updates in the news feed, or recommending people, jobs, articles, and learning opportunities to members. An important component of this technology stack is a knowledge graph that provides input signals to machine learning models and data insight pipelines to power LinkedIn products. This post gives an overview of how we build this knowledge graph. LinkedIn's knowledge graph is a large knowledge base built upon "entities" on LinkedIn, such as members, jobs, titles, skills, companies, geographical locations, schools, etc.
Royal Bank of Scotland to use AI platform for customer services
The Royal Bank of Scotland (RBS) is using IBM Watson technology to provide a robot that will answer customer questions and pass requests on to the right agents. A collection of our most popular articles for IT leaders from the first few months of 2016, including: - Corporate giants recruit digitally-minded outsiders to drive transformation - Analytics platforms to drive strategy in 2016 - Next generation: The changing role of IT leaders. This email address is already registered. By submitting my Email address I confirm that I have read and accepted the Terms of Use and Declaration of Consent. By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time.
Banking and Risk - Artificial Intelligence is nothing new
Artificial Intelligence (AI) is a discipline that has been revived. In the 1980s Artificial Intelligence and Expert systems were very fashionable and the British Computer Society had an Expert Systems Specialist Group run by the famous Alexander D'Agapeyeff. Other Scientists with great names doing pioneering work at this time included Robert Kowalski and Edward Feigenbaum. Everyone was talking about the fifth generation and AI was going to save the planet! The management consultancy where I worked at the time was looking for opportunities to use AI in a practical way in banks.
Sources: Facebook in talks with US govt. to launch Free Basics-like service in the US
Marc Andreessen on why AI can spawn a new generation of big, important technology companies -- Recent breakthroughs in artificial intelligence and machine learning are enabling computers to understand the world and respond intelligently to it. Maxim Harper / @maximharper: Liked the entire chat, but the reply regarding the evolution of retail is fantastic. Grady Booch / @grady_booch: If software is eating the world, then AI is eating our lunch. Brian Roemmele / @brianroemmele: Few people get deep magnitude of AI as well as the astounding Marc Andreessen. This is a must read, especially post Viv sale.
RBS, NatWest and SEB banks employ virtual staff - BBC News
Customers at Royal Bank of Scotland and NatWest may soon be sorting out issues with help from a virtual chatbot. Web-based Luvo will be able to answer simple queries such as how to order a replacement card. Designed using IBM Watson technology, the virtual agent is able to understand and learn from human interactions. In future, Luvo may be able to understand if a customer was feeling frustrated or unhappy and change its tone and actions accordingly, IBM said. The service will initially be rolled out to RBS and NatWest customers, starting in December with about 10% of RBS customers in Scotland.