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Automated learning with a probabilistic programming language: Birch

arXiv.org Machine Learning

This work offers a broad perspective on probabilistic modeling and inference in light of recent advances in probabilistic programming, in which models are formally expressed in Turing-complete programming languages. We consider a typical workflow and how probabilistic programming languages can help to automate this workflow, especially in the matching of models with inference methods. We focus on two properties of a model that are critical in this matching: its structure---the conditional dependencies between random variables---and its form---the precise mathematical definition of those dependencies. While the structure and form of a probabilistic model are often fixed a priori, it is a curiosity of probabilistic programming that they need not be, and may instead vary according to random choices made during program execution. We introduce a formal description of models expressed as programs, and discuss some of the ways in which probabilistic programming languages can reveal the structure and form of these, in order to tailor inference methods. We demonstrate the ideas with a new probabilistic programming language called Birch, with a multiple object tracking example.


Creativity and judgement key to lawyering with artificial intelligence

#artificialintelligence

Good judgement and skills such as emotional intelligence, empathy, creativity and wisdom will become even more important to lawyering as the use of artificial intelligence increases, says UNSW Professor of Law Michael Legg. The director of the Law Society of NSW Future of Law and Innovation in the Profession (FLIP) stream at UNSW Law discussed what an AI-enhanced lawyer looks like at the Law Society's FLIP Conference in Sydney this month. "Whatever the nature of their practice, it has been said that the most important skill of lawyering is sound judgement," Professor Legg said. "Sound judgement is about more than answering legal questions – it encapsulates the relational and contextual elements of being a'problem-solving' lawyer. "None of the AI technologies currently available have the capacity to completely replace lawyers, as each still requires the exercise of human judgement as part of the process." The talk was part of a collaboration on research between UNSW Law and the NSW Law Society, which is responding to issues such as legal technology and new ways of working raised by the NSW Law Society's FLIP report in 2016. The report recognised that the legal profession is undergoing change at a pace never before experienced and in unforeseen ways, which has major ramifications for the legal profession, clients and society, particularly in relation to access to justice. FLIP Stream Research Fellow Dr Felicity Bell showed research by Israel-based contract review platform LawGeex, which compared the efforts of 20 "experienced" lawyers in reviewing five different non-disclosure agreements, with those of its software. The lawyers took, on average, 92 minutes to review all five contracts, while the software took a mere 26 seconds. "The software outperformed the lawyers in terms of accuracy, and vastly outperformed them in terms of speed," she said. "The lawyers took, on average, 92 minutes to review all five contracts, while the software took a mere 26 seconds.


Top 6 latest advancements in artificial intelligence to know

#artificialintelligence

For the majority of people, artificial intelligence won't be here for at least the next decade, despite all the hype. But the truth is it has already become a necessity for many businesses who work with data and it's been widely in use today. While some of us are still trying to figure out the difference between artificial intelligence and machine learning, AI is fast progressing. This breakthrough technology has already become accessible for any software developer; tech giants are currently competing to dominate the field of artificial intelligence; China has taken serious steps to become the leader in AI; some jobs might soon be automated, and we've seen some unprecedented advances in deep neural networks. AI is taking the world by storm.


Humanoid construction robot installs drywall by itself

Engadget

If Japan's Advanced Industrial Science and Technology Institute has its way, construction workers might be a thing of the past. Researchers have built HRP-5P, a humanoid bot that can handle a variety of construction tasks when there's either a staffing shortage or serious hazards. The prototype uses a mix of environment detection, object recognition and careful movement planning to install drywall by itself -- it can hoist up boards and fasten them with a screwdriver. The design doesn't have as much freedom of movement as a human being, but makes up for that with numerous joints that flex to degrees you wouldn't see in real people. It won't always look the most natural when doing its job, but it'll be effective.


Study: PR pros are optimistic about AI

#artificialintelligence

NEW YORK: Communicators are bullish about artificial intelligence's potential to make their profession more efficient, according to a survey by MSLGroup and Publicis.Sapient. The study, Powered by AI: Communications in the Algorithm Age, surveyed more than 1,846 marketing and communications in-house leaders in Brazil, China, France, Germany, India, Italy, Poland, the U.K., and the U.S. MSL's parent, Publicis Groupe, is rolling out an AI platform called Marcel, which will essentially help its employees better collaborate and form teams more efficiently. MSL CEO Guillaume Herbette said he expects Marcel to be 100% operational by the end of the year. "AI will help us and our clients do better work," Herbette said. "It will add to brand-consumer engagement. They will try more than ever at [maintaining] that relationship."


China has ambitious AI game plan but success needs cooperation

#artificialintelligence

Go, also known as weiqi, has been played in China since the Zhou dynasty that ran from 1,046-256BC. A two-person strategy game on a 19 X 19 grid board with black and white stones, weiqi is the most complex contest played by humans, with more possible moves than the total number of estimated atoms in the visible universe. But in 2017 an emblem of Western innovation outplayed the Middle Kingdom at literally its own game, when AlphaGo, a computer program from Google's DeepMind Lab, beat the world's top player Ke Jie 3-0 in a Sputnik-like moment that spurred China into a concerted, state-directed effort to catch up in artificial intelligence (AI). Dubbed the fourth industrial revolution, the development of AI encompasses a wide range of technologies that can perform tasks characteristic of human intelligence, such as understanding language and recognising objects. Sometimes described as machine learning, what separates AI from ordinary computer programming is the capacity for machines to correct themselves through trial and error, mimicking the cognitive functions of the human mind.


Open data, customer experience AI the focus for retail automation

#artificialintelligence

While it might be tempting to dismiss Microsoft's AI technology hype as slick marketing to drum up sales revenue, a number of the company's customers said artificial intelligence is moving deeper into the real world. Several Microsoft blue-chip customers displayed their experiences with the company's customer experience AI technology here at the Microsoft Ignite 2018 conference. BMW uses AI and Azure's bot framework to enhance on-road driver support in cars. Swedish clothing retailer H&M launched Afound, an off-price outlet that includes physical stores in Sweden and globally via a digital marketplace infused with customer experience AI to drive sales. Two other retail giants, Nordstrom and Walmart, are remaking their online shopping experiences to match their online-only competitors.


World Wide Web founder reveals plan to reinvent the internet

The Independent - Tech

The founder of the World Wide Web has revealed his intention to revolutionise the internet by completely upending the data-gathering business models of tech giants like Facebook and Google. Sir Tim Berners-Lee, who invented the World Wide Web in 1989, described his bold new project as a reaction to the current state of the web. "Today, I believe we've reached a critical tipping point, and that powerful change for the better is possible – and necessary," Berners-Lee wrote in a blog post. The I.F.O. is fuelled by eight electric engines, which is able to push the flying object to an estimated top speed of about 120mph. The giant human-like robot bears a striking resemblance to the military robots starring in the movie'Avatar' and is claimed as a world first by its creators from a South Korean robotic company Waseda University's saxophonist robot WAS-5, developed by professor Atsuo Takanishi and Kaptain Rock playing one string light saber guitar perform jam session A man looks at an exhibit entitled'Mimus' a giant industrial robot which has been reprogrammed to interact with humans during a photocall at the new Design Museum in South Kensington, London Electrification Guru Dr. Wolfgang Ziebart talks about the electric Jaguar I-PACE concept SUV before it was unveiled before the Los Angeles Auto Show in Los Angeles, California, U.S The Jaguar I-PACE Concept car is the start of a new era for Jaguar.


China plans to be a world leader in Artificial Intelligence by 2030

#artificialintelligence

China used the "Next Generation Artificial Intelligence Development Plan" in 2017 to kick off how it aims to build a domestic industry worth almost US$150 billion to surpass the rest of the world as a global AI innovation hub by 2030. The first step of that plan is to catch up with the US on AI technology and applications by 2020. China now dominates AI funding. Last year, 48 per cent of total equity funding of AI start-ups globally came from China, compared to 38 per cent funded by the US, and 13 per cent by the rest of the world. This is a significant jump from the 11.3 per cent of global funding China made in 2016.


iPhone XS: Latest handsets not charging properly, leaving people without power

The Independent - Tech

Some owners of the latest iPhones are finding that their handsets are not charging up properly – and they might not find out until they leave the house with no battery. Numerous reports across the internet suggest that phones do not start charging when their charging cables are plugged in. The issue appears to happen if the Lightning cable is plugged in but the phone's screen is off. Instead, users have to wake up or even log into their phone and then plug it in all over again before the phone will actually start powering up its battery. The I.F.O. is fuelled by eight electric engines, which is able to push the flying object to an estimated top speed of about 120mph.