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A probabilistic model for the numerical solution of initial value problems

arXiv.org Machine Learning

In recent years, the search for numerical algorithms which return probability distributions over the solution for a given numerical problem has become an active area of research [25]. Several models and methods have been proposed for the solution of initial value problems (IVPs) [57, 7, 51, 9, 31, 61]. However, these probabilistic algorithms have no immediate connection to the extensive literature on this task in numerical analysis. Most importantly, such inference algorithms do not come with convergence analysis out of the box. The methods in [7, 9, 61] have convergence results, but their respective implementations are based on sampling schemes and, thus, do not offer guarantees for individual runs. The methods in [51, 31] offer a deterministic execution and an analytical guarantee for the first step, but we will show that this guarantee is lacking for the whole integration domain. In this paper, we present a class of probabilistic solvers which combine properties of the standard and the probabilistic algorithms. We formulate desiderata that users might have for a probabilistic numerical algorithm.


A System for Accessible Artificial Intelligence

arXiv.org Artificial Intelligence

While artificial intelligence (AI) has become widespread, many commercial AI systems are not yet accessible to individual researchers nor the general public due to the deep knowledge of the systems required to use them. We believe that AI has matured to the point where it should be an accessible technology for everyone. We present an ongoing project whose ultimate goal is to deliver an open source, user-friendly AI system that is specialized for machine learning analysis of complex data in the biomedical and health care domains. We discuss how genetic programming can aid in this endeavor, and highlight specific examples where genetic programming has automated machine learning analyses in previous projects.


A Portfolio Approach to Algorithm Selection for Discrete Time-Cost Trade-off Problem

arXiv.org Artificial Intelligence

It is a known fact that the performance of optimization algorithms for NP-Hard problems vary from instance to instance. We observed the same trend when we comprehensively studied multi-objective evolutionary algorithms (MOEAs) on a six benchmark instances of discrete time-cost trade-off problem (DTCTP) in a construction project. In this paper, instead of using a single algorithm to solve DTCTP, we use a portfolio approach that takes multiple algorithms as its constituent. We proposed portfolio comprising of four MOEAs, Non-dominated Sorting Genetic Algorithm II (NSGA-II), the strength Pareto Evolutionary Algorithm II (SPEA-II), Pareto archive evolutionary strategy (PAES) and Niched Pareto Genetic Algorithm II (NPGA-II) to solve DTCTP. The result shows that the portfolio approach is computationally fast and qualitatively superior to its constituent algorithms for all benchmark instances. Moreover, portfolio approach provides an insight in selecting the best algorithm for all benchmark instances of DTCTP.


What is the Future of Artificial Intelligence?

#artificialintelligence

Where will humans fit in a world where robots outsmart them? This is the focus of a heated debate between thought leaders and tech billionaires. Some believe we're steadily meandering toward an AI apocalypse, where humans are either obliterated or enslaved by robots, and we must act quickly to prevent it. Others will tell you that artificial intelligence will always be the subservient best friend of mankind, even when it outwits its creators, and we should move ahead with developing AI at full speed. And there's no arguing that we are at the doorsteps--or in the midst--of the biggest technological revolution of mankind's history, where everything is being connected to the internet, data is in abundance and AI algorithms are permeating every domain.


Intel set to roll out 100 self-driving cars

Daily Mail - Science & tech

Silicon Valley giant Intel on Wednesday announced plans for a fleet of self-driving cars following its completion of the purchase of Israeli autonomous technology firm Mobileye. A day after closing the $15 billion deal to buy Mobileye, which specializes in driver-assistance systems, Intel said it will begin rolling out fully autonomous vehicles later this year for testing in Europe, Israel, and the US. The fleet will eventually have more than 100 vehicles, according to Intel. Silicon Valley giant Intel on Wednesday announced plans for a fleet of self-driving cars following its completion of the purchase of Israeli autonomous technology firm Mobileye. Mobileye's software, which reads inputs from cameras, radar, and laser sensors and makes decisions on what an autonomous car should do.


Predicting the machine-learning future

#artificialintelligence

From real-time predictions of pro cycling race scenarios, to self-driving cars – here's what machine learning will offer digital businesses. From online adverts to the products that Amazon suggests. From the automated sales calls, to the voice recognition systems on our smartphones … these all use machine learning in some way. We incorporated machine learning and predictive analytics in the pro cycling technology solution we've delivered this year. We took historical data, such as past performances of individual riders and previous race outcomes, and combined that with live analysis of race stages.


Your plane could fly itself by 2025…if you're cool with that

#artificialintelligence

Airline passengers will give up leg room, overhead-bin space, and a healthy amount of dignity in exchange for a lower airfare. But many won't give up human pilots. A dilemma that sounds like it belongs in science fiction is one that some travelers may grapple with in the near future. "Technically speaking, remotely controlled planes carrying passengers and cargo could appear" by around 2025, the investment bank UBS said a report released Monday (Aug. A switch to full automation could save the air-transportation industry $35 billion a year and cut passenger fares by around 10%.


Amazon reportedly launching multi-room audio for Echo

Daily Mail - Science & tech

Amazon may be adding a new feature to its Echo products that would improve the experience and take on classic speaker systems. The company is reportedly launching multi-room audio, which would allow users with multiple Echo products to play music or any other audio simultaneously in multiple rooms. This would allow users to keep listening as they walk around their homes. Amazon is reportedly launching multi-room audio, which would allow users with multiple Echo products to play music or any other audio simultaneously in multiple rooms. Amazon Echo is a voice-controlled smart speaker that works alongside a smartphone app.


DeepMind dojo will train AI to beat human StarCraft players

New Scientist

StarCraft players are safe – but not for long. The machines that made short work of chess, Scrabble and Go are beginning to set their sights on the venerable video game. And while the inherent complexity of most video games makes them a much harder target for AI than board games, two new projects aim to show they are far from invulnerable. One is a training ground for artificial intelligences targeting StarCraft, opened today by the game's creator, Blizzard Entertainment, in collaboration with Google's AI company DeepMind. The other is an AI being developed by researchers in Denmark whose approach stands the first good chance of beating a human at the game.


Edible robot surgeons will cure you from the inside out

Engadget

Back in 1985, the best robotic surgeon we had was the PUMA 560, a manipulator arm just barely more advanced than Rocky Balboa's robo-butler. The PUMA was nevertheless revolutionary. It was the very first mechanical operator, progenitor to steady-handed robo-surgeons like of the DaVinci system. But in the near future, robots will no longer be cutting into us -- from the outside, at least. Even as the the current generation of robotic surgeons continues to shrink, with miniscule pincers and malleable toolsets capable of curling their way through our innards, the medical community is working to develop robotic surgical devices capable of operating autonomously, or at least remotely.