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Leaders look to embrace AI, and high-growth companies are seeing the benefits

#artificialintelligence

Analysts and researchers have studied the impact of artificial intelligence (AI) on industries and economies, but few have focused on how AI will impact leadership. This provides a new opportunity for us to explore this area in more detail, addressing the appetite of leaders who want to learn more about the impact that AI can have on their roles. We know that without the right leadership, businesses can falter and fail. Studying the relationship between AI and leadership could reveal vital information to help companies progress on their AI journey. With these questions in mind, we embarked on a new piece of research with Susan Etlinger, AI analyst with the Altimeter Group, and Heike Bruch, Professor of Leadership at the University of St. Gallen.


How Artificial Intelligence can useful for Legal System

#artificialintelligence

The advanced technology of artificial intelligence is already distributed across the industries and helps to make a renovate in the space broadly by driving solutions efficiently. The innovative nature of artificial intelligence features helping many enterprises and professionals to operate more efficiently than before. Today whatever the business operations, it contains tons of data, forcing professionals to maintain in the log. Artificial Intelligence is a part of computer science, applied to make the system function like human intelligence, such as reading, responding and identifying image or voice of objects to convert it to develop decisions based on data received from other sources. AI simulates certain operations of human doing and plays a vital role in all areas of industry.


I Quit My Job to Protest My Company's Work on Building Killer Robots

#artificialintelligence

When I joined the artificial intelligence company Clarifai in early 2017, you could practically taste the promise in the air. My colleagues were brilliant, dedicated, and committed to making the world a better place. We founded Clarifai 4 Good where we helped students and charities, and we donated our software to researchers around the world whose projects had a socially beneficial goal. We were determined to be the one AI company that took our social responsibility seriously. I never could have predicted that two years later, I would have to quit this job on moral grounds.


Is Artificial Intelligence wasting our money? - KDR Recruitment

#artificialintelligence

If you are anything like me, you will have become addicted to online shopping. And like me your addiction might have led you to questioning if you are buying things unnecessarily. So, as Black Friday creeps around the corner, I thought I would do some digging to see how Artificial Intelligence (AI) and Machine Learning (ML) are spending our money for us. With Google purchasing'DeepMind Technologies', an artificial intelligence company founded back in September 2010, we are certainly seeing how their technology is impacting online shopping. Have you ever been on your phone and spontaneously googled'Flights to Dubai' or'Green flips flops with pink roses' and next thing it is all over your Facebook and Instagram feeds?


How to end your phone addiction, without throwing the thing away

The Independent - Tech

My name is Kevin, and I have a phone problem. And if you're anything like me – and the statistics suggest you probably are, at least where smartphones are concerned – you have one, too. I don't love referring to what we have as an "addiction". That seems too sterile and clinical to describe what's happening to our brains in the smartphone era. We might someday evolve the correct biological hardware to live in harmony with portable supercomputers that satisfy our every need and connect us to infinite amounts of stimulation. But for most of us, it hasn't happened yet.


Fast Multichannel Source Separation Based on Jointly Diagonalizable Spatial Covariance Matrices

arXiv.org Machine Learning

This paper describes a versatile method that accelerates multichannel source separation methods based on full-rank spatial modeling. A popular approach to multichannel source separation is to integrate a spatial model with a source model for estimating the spatial covariance matrices (SCMs) and power spectral densities (PSDs) of each sound source in the time-frequency domain. One of the most successful examples of this approach is multichannel nonnegative matrix factorization (MNMF) based on a full-rank spatial model and a low-rank source model. MNMF, however, is computationally expensive and often works poorly due to the difficulty of estimating the unconstrained full-rank SCMs. Instead of restricting the SCMs to rank-1 matrices with the severe loss of the spatial modeling ability as in independent low-rank matrix analysis (ILRMA), we restrict the SCMs of each frequency bin to jointly-diagonalizable but still full-rank matrices. For such a fast version of MNMF, we propose a computationally-efficient and convergence-guaranteed algorithm that is similar in form to that of ILRMA. Similarly, we propose a fast version of a state-of-the-art speech enhancement method based on a deep speech model and a low-rank noise model. Experimental results showed that the fast versions of MNMF and the deep speech enhancement method were several times faster and performed even better than the original versions of those methods, respectively.


The Privacy Blanket of the Shuffle Model

arXiv.org Machine Learning

This work studies differential privacy in the context of the recently proposed shuffle model. Unlike in the local model, where the server collecting privatized data from users can track back an input to a specific user, in the shuffle model users submit their privatized inputs to a server anonymously. This setup yields a trust model which sits in between the classical curator and local models for differential privacy. The shuffle model is the core idea in the Encode, Shuffle, Analyze (ESA) model introduced by Bittau et al. (SOPS 2017). Recent work by Cheu et al. (Forthcoming, EUROCRYPT 2019) analyzes the differential privacy properties of the shuffle model and shows that in some cases shuffled protocols provide strictly better accuracy than local protocols. Additionally, Erlignsson et al. (SODA 2019) provide a privacy amplification bound quantifying the level of curator differential privacy achieved by the shuffle model in terms of the local differential privacy of the randomizer used by each user. In this context, we make three contributions. First, we provide an optimal single message protocol for summation of real numbers in the shuffle model. Our protocol is very simple and has better accuracy and communication than the protocols for this same problem proposed by Cheu et al. Optimality of this protocol follows from our second contribution, a new lower bound for the accuracy of private protocols for summation of real numbers in the shuffle model. The third contribution is a new amplification bound for analyzing the privacy of protocols in the shuffle model in terms of the privacy provided by the corresponding local randomizer. Our amplification bound generalizes the results by Erlingsson et al. to a wider range of parameters, and provides a whole family of methods to analyze privacy amplification in the shuffle model.


Doubly Aligned Incomplete Multi-view Clustering

arXiv.org Machine Learning

Nowadays, multi-view clustering has attracted more and more attention. To date, almost all the previous studies assume that views are complete. However, in reality, it is often the case that each view may contain some missing instances. Such incompleteness makes it impossible to directly use traditional multi-view clustering methods. In this paper, we propose a Doubly Aligned Incomplete Multi-view Clustering algorithm (DAIMC) based on weighted semi-nonnegative matrix factorization (semi-NMF). Specifically, on the one hand, DAIMC utilizes the given instance alignment information to learn a common latent feature matrix for all the views. On the other hand, DAIMC establishes a consensus basis matrix with the help of $L_{2,1}$-Norm regularized regression for reducing the influence of missing instances. Consequently, compared with existing methods, besides inheriting the strength of semi-NMF with ability to handle negative entries, DAIMC has two unique advantages: 1) solving the incomplete view problem by introducing a respective weight matrix for each view, making it able to easily adapt to the case with more than two views; 2) reducing the influence of view incompleteness on clustering by enforcing the basis matrices of individual views being aligned with the help of regression. Experiments on four real-world datasets demonstrate its advantages.


On Transformations in Stochastic Gradient MCMC

arXiv.org Machine Learning

Stochastic gradient Langevin dynamics (SGLD) is a widely used sampler for the posterior inference with a large scale dataset. Although SGLD is designed for unbounded random variables, many practical models incorporate variables with boundaries such as non-negative ones or those in a finite interval. Existing modifications of SGLD for handling bounded random variables resort to heuristics without a formal guarantee of sampling from the true stationary distribution. In this paper, we reformulate the SGLD algorithm incorporating a deterministic transformation with rigorous theories. Our method transforms unbounded samples obtained by SGLD into the domain of interest. We demonstrate transformed SGLD in both artificial problem settings and real-world applications of Bayesian non-negative matrix factorization and binary neural networks.


SeizureNet: A Deep Convolutional Neural Network for Accurate Seizure Type Classification and Seizure Detection

arXiv.org Machine Learning

Automatic epileptic seizure analysis is important because the differentiation of neural patterns among different patients can be used to classify people with specific types of epilepsy. This could enable more efficient management of the disease. Automatic seizure type classification using clinical electroencephalograms (EEGs) is challenging due to factors such as low signal to noise ratios, signal artefacts, high variance in the seizure semiology among individual epileptic patients, and limited clinical data constraints. To overcome these challenges, in this paper, we present a deep learning based framework which uses a Convolutional Neural Network (CNN) with dense connections and learns highly robust features at different spatial and temporal resolutions of the EEG data spectrum for accurate cross-patient seizure type classification. We evaluate our framework for seizure type classification and seizure detection on the recently released TUH EEG Seizure Corpus, where our framework achieves overall weighted f 1 scores of up to 0.90 and 0.88, thereby setting new benchmarks on the dataset.