Overview
Machine Learning for Survival Analysis: A Survey
Wang, Ping, Li, Yan, Reddy, Chandan K.
Accurately predicting the time of occurrence of an event of interest is a critical problem in longitudinal data analysis. One of the main challenges in this context is the presence of instances whose event outcomes become unobservable after a certain time point or when some instances do not experience any event during the monitoring period. Such a phenomenon is called censoring which can be effectively handled using survival analysis techniques. Traditionally, statistical approaches have been widely developed in the literature to overcome this censoring issue. In addition, many machine learning algorithms are adapted to effectively handle survival data and tackle other challenging problems that arise in real-world data. In this survey, we provide a comprehensive and structured review of the representative statistical methods along with the machine learning techniques used in survival analysis and provide a detailed taxonomy of the existing methods. We also discuss several topics that are closely related to survival analysis and illustrate several successful applications in various real-world application domains. We hope that this paper will provide a more thorough understanding of the recent advances in survival analysis and offer some guidelines on applying these approaches to solve new problems that arise in applications with censored data.
Top 7 Technology Trends in 2017 That Are Moving Faster Than Ever
With the progressing year, the technology diversified ways in which we could communicate and retrieve the information from the pocket fitting devices. Technologies such as IoT, automation, and cognitive computing moved beyond the conceptual stages in 2016. As the year takes up, companies throughout the world are developing their business strategies. In order to move forward in the competition, companies are turning towards major investments in technology. The world's biggest consumer technology convention, CES is one of the best places to find a handful of key technologies. CES 2017 finished another spectacular year with pioneering technology trends including smart homes to self-driving cars. This year is assumed to bring transformative technology trends for us to explore and invest in. AI, also known as Artificial Intelligence has been studied for decades and now the vision of transforming insentient objects into intelligence is gradually becoming a reality. AI based Innovations are now pondering into the market and becoming part of our daily lives with quick adaptability. Artificial intelligence assists humans and handles the tasks flawlessly, without interrupting your comfort. Whether to set an alarm, or remind you of something important, or to play your favorite music or to read out general news for you or to find your phone, AI can make the task more convenient and smart. Sit back and relax while you command your device to do things for you.
Data Science Primer: Basic Concepts for Beginners
This post will provide an overview of bagging, boosting, and stacking, arguably the most used and well-known of the basic ensemble methods. They are not, however, the only options. Random Forests is another example of an ensemble learner, which uses numerous decision trees in a single predictive model, and which is often overlooked and treated as a "regular" algorithm. There are other approaches to selecting effective algorithms as well, treated below.
Deep Incremental Boosting
Mosca, Alan, Magoulas, George D
AdaBoost [9] is considered a successful Ensemble method and is commonly used in combination with traditional Machine Learning algorithms, especially Boosted Decision Trees [3]. One of the main principles behind it is the additional emphasis given to the so-called hard to classify examples from a training set. Deep Neural Networks have also had great success on many visual problems, and there are a number of benchmark datasets in this area where the state-of-the-art results are held by some Deep Learning algorithm [12, 4]. Ideas from Transfer of Learning have found applications in Deep Learning; for example, in Convolutional Neural Networks (CNNs), when sub-features learned early in the training process can be carried forward to a new CNN in order to improve generalisation on a new problem of the same domain [13]. It has also been shown that these Transfer of Learning methods reduce the "warm-up" phase of the training, where a randomly-initialised CNN would have to relearn basic feature selectors from scratch.
Google's Deep Mind AI has a new trick: taking a nap
Google has been pretty far ahead of the curve when it comes to its artificial intelligence research. The world was shocked when its AI beat a top human player at the game of Go. More recently the company taught AI to use imagination and make predictions. Google is making its AI more human -- to a startling degree. At first glance, it might seem counter-intuitive to build an artificial agent that needs to'sleep' โ after all, they are supposed to grind away at a computational problem long after their programmers have gone to bed.
British youngsters predict that technology is the future of everything
It's clear that technology now plays a central role in every child's life and their expectations on how they will use innovative technology when they enter the workplace are extremely high Most businesses and business leaders realise that technology is the future. It will help improve almost every aspect of people's lives and of course, impact business processes. It appears that this belief is shared by the majority of teenagers, those who have grown up with the innovation created by technological breakthroughs: think smartphones and iPads. In a survey of 1,000 12-15 years olds based in the UK, they revealed what they think they'll be using when they enter the workplace in the next 10-15 years. What's more, just over a quarter (26%) of youngsters think commercial space travel will be a thing by 2032, and over one in five (22%) think they'll be using computers linked to their brains.
The Race to Cyberdefense, Artificial Intelligence and the Quantum Computer
I've been following cybersecurity startups and hackers for years, and I suddenly discovered how hackers are always ahead of the rest of us -- they have a better business model funding them in their proof of concept (POC) stage of development. To even begin protecting ourselves from their well-funded advances and attacks, cyberdefense and artificial intelligence (AI) technologies must be funded at the same level in the POC stage. Today, however, traditional investors not only want your technology running, they also need assurances that you already have a revenue stream -- which stifles potential new technology discovery at the POC level. And in some industries, this is dangerous. Consider the fast-paced world of cybersecurity, in which companies are offered traditional funding avenues as they promote their product's tech capabilities so people will invest.
An introduction to frequent pattern mining - The Data Mining Blog
In this blog post, I will give a brief overview of an important subfield of data mining that is called pattern mining. Pattern mining consists of using/developing data mining algorithms to discover interesting, unexpected and useful patterns in databases. Pattern mining algorithms can be applied on various types of data such as transaction databases, sequence databases, streams, strings, spatial data, graphs, etc. Pattern mining algorithms can be designed to discover various types of patterns: subgraphs, associations, indirect associations, trends, periodic patterns, sequential rules, lattices, sequential patterns, high-utility patterns, etc. But what is an interesting pattern? For example, some researchers define an interesting pattern as a pattern that appears frequently in a database. Other researchers wants to discover rare patterns, patterns with a high confidence, the top patterns, etc.
The Growing Problem Of Child Sex Dolls And Robots
Sex robots appear to be the next big thing for the adult entertainment industry. Unroboticized sex dolls are not new โ but combined with state-of-the-art fabrication techniques, Artificial Intelligence (AI) and programming applications, such dolls may soon reach new levels of sophistication. As sex dolls become increasingly realistic โ and their roboticization looms on the horizon โ a key question to ask is how the law should respond when such objects are made for, and used by, those with a sexual interest in children? Dolls for this market, manufactured overseas, are now starting to appear on the legal radar from attempts to import them into the country. The National Crime Agency (NCA) has warned that child-like sex dolls are being sold on the internet and campaigners have urged the government to outlaw the trade.
Research survey "Defining (machine) Intelligence"
A recent survey of Artificial Intelligence (AI) educators by Michael Wollowski, Peter Norvig and others (Wollowski et al., 2016) showed a stark difference of opinion about the definition of Artificial Intelligence. We invite you to participate in our survey to gather opinions on definitions of intelligence and Machine Intelligence from leading researchers. Understanding intelligence and how it may be recreated (and measured) is one of the major scientific challenges of our time. Our research shows that theories of intelligence and the goal of AI have been the source of much confusion both within the field and among the general public. This survey is completed anonymously but if you would like to be notified when the paper is available or have your definition of intelligence be considered for inclusion (with your name alongside) in our coming research paper, then there is also the opportunity to add your name and email address.