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Archivo del Autor: Belen De Leon

Worldwide PC shipments flat in 2018's first quarter – CNET

HP and Dell grow their PC businesses during a stagnant quarter, market researchers find.
Source: CNET

Who’s a good AI? Dog-based data creates a canine machine learning system

We’ve trained machine learning systems to identify objects, navigate streets and recognize facial expressions, but as difficult as they may be, they don’t even touch the level of sophistication required to simulate, for example, a dog. Well, this project aims to do just that — in a very limited way, of course. By observing the behavior of A Very Good Girl, this AI learned the rudiments of how to act like a dog.

It’s a collaboration between the University of Washington and the Allen Institute for AI, and the resulting paper will be presented at CVPR in June.

Why do this? Well, although much work has been done to simulate the sub-tasks of perception like identifying an object and picking it up, little has been done in terms of “understanding visual data to the extent that an agent can take actions and perform tasks in the visual world.” In other words, act not as the eye, but as the thing controlling the eye.

And why dogs? Because they’re intelligent agents of sufficient complexity, “yet their goals and motivations are often unknown a priori.” In other words, dogs are clearly smart, but we have no idea what they’re thinking.

As an initial foray into this line of research, the team wanted to see if by monitoring the dog closely and mapping its movements and actions to the environment it sees, they could create a system that accurately predicted those movements.

In order to do so, they loaded up a Malamute named Kelp M. Redmon with a basic suite of sensors. There’s a GoPro camera on Kelp’s head, six inertial measurement units (on the legs, tail and trunk) to tell where everything is, a microphone and an Arduino that tied the data together.

They recorded many hours of activities — walking in various environments, fetching things, playing at a dog park, eating — syncing the dog’s movements to what it saw. The result is the Dataset of Ego-Centric Actions in a Dog Environment, or DECADE, which they used to train a new AI agent.

This agent, given certain sensory input — say a view of a room or street, or a ball flying past it — was to predict what a dog would do in that situation. Not to any serious level of detail, of course — but even just figuring out how to move its body and to where is a pretty major task.

“It learns how to move the joints to walk, learns how to avoid obstacles when walking or running,” explained Hessam Bagherinezhad, one of the researchers, in an email. “It learns to run for the squirrels, follow the owner, track the flying dog toys (when playing fetch). These are some of the basic AI tasks in both computer vision and robotics that we’ve been trying to solve by collecting separate data for each task (e.g. motion planning, walkable surface, object detection, object tracking, person recognition).”

That can produce some rather complex data: For example, the dog model must know, just as the dog itself does, where it can walk when it needs to get from here to there. It can’t walk on trees, or cars, or (depending on the house) couches. So the model learns that as well, and this can be deployed separately as a computer vision model for finding out where a pet (or small legged robot) can get to in a given image.

This was just an initial experiment, the researchers say, with success but limited results. Others may consider bringing in more senses (smell is an obvious one) or seeing how a model produced from one dog (or many) generalizes to other dogs. They conclude: “We hope this work paves the way towards better understanding of visual intelligence and of the other intelligent beings that inhabit our world.”


Source: TechCrunch

Mark Zuckerberg's Testimony Birthed a Memepocalypse—Which Is a Good Thing

Give the internet some credit: people watched hours upon hours of testimony just to get some jokes off.
Source: Wired

Fantasy sports platforms could have a big future in blockchain

With the number of fantasy sports players in North America heading past 60 million, and the industry said to be worth more than $7 billion, fantasy sports games are clearly on the rise. On the web, the two biggest players are FanDuel and DraftKings, which between them control 90 percent of the market. But translating that kind of business into a blockchain world could have even more potential, turning the reward system into a cryptocurrency nirvana.

This is the aim of two blockchain-based startups, No Limit Fantasy Sports and MyDFS. Both have differing models, but both are aiming at the incumbents, which are probably unable to grow much further, and especially after their merger was rejected by regulators.

Now, MyDFS plans to take the fight to the next level, with a $2 million cash injection from investor Frank Fu, managing director at Chinese technology company Meitu, the Chinese photo-sharing platform with 456 million users. He’ll also join as a board advisor to the company.

Fu says the union of gaming and blockchain is inevitable because “blockchain guarantees safe storage of all in-game digital assets” and “smart contracts exclude third parties from the payment process and make transactions fast and safe” by removing the need for a financial intermediary for transactions.

The view is that potential for payment fraud in fantasy sports means the sector is ripe for blockchain technology, which can record every transaction.

MyDFS CEO Viktor Mangazeev believes tokenization and blockchain will make fantasy sports far more “transparent and user-friendly” and will allow players to invest not just in the games, teams and players, but also other players, by earning a share of their winnings. So, in theory, you could hitch your prospects to the best players because of the use of in-game cryptocurrency.

It looks as if blockchain is going to gradually lead to more startups arriving in this arena. Distributed ledger technology could mean a large reduction in transfer times and fees, while affording a more transparent fantasy economy.

Smart contracts could also mean users get their prizes literally as soon as they’ve won games, instead of having to wait for other sites to verify the games. And finally, the use of cryptocurrency (MyDFS uses Ethereum, while No Limit Fantasy Sports uses their own coin called NoLimitCoin) should be able to avoid regulatory issues, at least for now, because the “betting” is not based on fiat currency. That means these sites could reach more global audiences faster.

That said, we will have to wait and see what happens next in terms of regulation and whether these platforms will, in fact, have global appeal after all.


Source: TechCrunch

Argumentos a favor de probar los coches autónomos en el mundo real

El responsable de X, la división de proyectos alocados de Alphabet, Astro Teller, explica que esta tecnología necesita enfrentarse a situaciones lo más reales posibles pero con cuidado. Y afirma que muchas veces se ha puesto delante de vehículos sin conductor de la compañía


Source: MIT

El nuevo dron más veloz quiere salvar vidas por todo el mundo

Zipline, famosa por su exitoso servicio de entrega de fármacos en África, presenta un nuevo dispositivo aún más rápido. La mejora en el aparato y en todas sus operaciones han multiplicado por 10 el número de entregas diarias. Ahora, la empresa intenta expandirse por todos los rincones del planeta


Source: MIT

La ciencia ficción influye cada vez más en los avances de la ciencia real

Una investigación confirma que la ficción científica tiene cada vez más peso en las investigaciones del mundo real, sobre todo en las que abordan la relación entre los humanos y las máquinas. A nivel global, los investigadores utilizan la ciencia ficción de tres formas


Source: MIT

SpaceX’s President is Thinking Even Bigger Than Elon Musk

Gwynne Shotwell tells the TED conference that plans to take humans to Mars are “risk reduction for the human species.”
Source: Wired

Cruise, GM’s self-driving car unit, brings on Zippy team

Cruise recently brought on seven team members from Zippy.ai, which develops robots for last-mile grocery and package delivery, for an undisclosed amount of money.

The deal did not include any of Zippy’s product or intellectual property. Instead, it seems Cruise was more interested in the skillsets of the co-founders, Gabe Sibley, Alex Flint and Chris Broaddus, and their team.

“Their expertise in machine learning, computer vision, and simulation is among the best in the industry,” Cruise CEO Kyle Vogt wrote in a Medium post. “But perhaps more importantly, their commitment to working on a team — and doing things the right way — strengthens our ability to safely test, validate, and deploy our self-driving technology at scale.”

This announcement comes after Cruise last month parted ways with its CTO, A.G. Gangadhar, who formerly worked at Uber. Though, Zippy’s team joined Cruise back in February.


Source: TechCrunch

Everything Mark Zuckerberg Will Follow Up On for Congress

If you’re a member of Congress, Mark Zuckerberg’s team will get back to you.
Source: Wired

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