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 veryhotthread  Author  Topic: Stuff and Nonsense Unleashed  (Read 18319 times)
WingsofCrystal
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xx Re: Stuff and Nonsense Unleashed
« Reply #1035 on: Mar 17th, 2017, 07:55am »

HAPPY ST PATRICK'S DAY! grin

MIT Tech Review

How DeepMind’s Memory Trick Helps AI Learn Faster

While AI systems can match many human capabilities, they take 10 times longer to learn. Now, by copying the way the brain works, Google DeepMind has built a machine that is closing the gap.

by Emerging Technology from the arXiv
March 16, 2017

Intelligent machines have humans in their sights. Deep-learning machines already have superhuman skills when it comes to tasks such as face recognition, video-game playing, and even the ancient Chinese game of Go. So it’s easy to think that humans are already outgunned.

But not so fast. Intelligent machines still lag behind humans in one crucial area of performance: the speed at which they learn. When it comes to mastering classic video games, for example, the best deep-learning machines take some 200 hours of play to reach the same skill levels that humans achieve in just two hours.

So computer scientists would dearly love to have some way to speed up the rate at which machines learn.

Today, Alexander Pritzel and pals at Google’s DeepMind subsidiary in London claim to have done just that. These guys have built a deep-learning machine that is capable of rapidly assimilating new experiences and then acting on them. The result is a machine that learns significantly faster than others and has the potential to match humans in the not too distant future.

First, some background. Deep learning uses layers of neural networks to look for patterns in data. When a single layer spots a pattern it recognizes, it sends this information to the next layer, which looks for patterns in this signal, and so on.

So in face recognition, one layer might look for edges in an image, the next layer for circular patterns of edges (the kind that eyes and mouths make), and the next for triangular patterns such as those made by two eyes and a mouth. When all this happens, the final output is an indication that a face has been spotted.

Of course, the devil is in the details. There are various systems of feedback to allow the system to learn by adjusting various internal parameters such as the strength of connections between layers. These parameters must change slowly, since a big change in one layer can catastrophically affect learning in the subsequent layers. That’s why deep neural networks need so much training and why it takes so long.

Pritzel and co have tackled this problem with a technique they call neural episodic control. “Neural episodic control demonstrates dramatic improvements on the speed of learning for a wide range of environments,” they say. “Critically, our agent is able to rapidly latch onto highly successful strategies as soon as they are experienced, instead of waiting for many steps of optimisation.”

The basic idea behind DeepMind’s approach is to copy the way humans and animals learn quickly. The general consensus is that humans can tackle situations in two different ways. If the situation is familiar, our brains have already formed a model of it, which they use to work out how best to behave. This uses a part of the brain called the prefrontal cortex.

But when the situation is not familiar, our brains have to fall back on another strategy. This is thought to involve a much simpler test-and-remember approach involving the hippocampus. So we try something and remember the outcome of this episode. If it is successful, we try it again, and so on. But if it is not a successful episode, we try to avoid it in future.

This episodic approach suffices in the short term while our prefrontal brain learns. But it is soon outperformed by the prefrontal cortex and its model-based approach.

Pritzel and co have used this approach as their inspiration. Their new system has two approaches. The first is a conventional deep-learning system that mimics the behaviur of the prefrontal cortex. The second is more like the hippocampus. When the system tries something new, it remembers the outcome.

But crucially, it doesn’t try to learn what to remember. Instead, it remembers everything. “Our architecture does not try to learn when to write to memory, as this can be slow to learn and take a significant amount of time,” say Pritzel and co. “Instead, we elect to write all experiences to the memory, and allow it to grow very large compared to existing memory architectures.”

They then use a set of strategies to read from this large memory quickly. The result is that the system can latch onto successful strategies much more quickly than conventional deep-learning systems.

They go on to demonstrate how well all this works by training their machine to play classic Atari video games, such as Breakout, Pong, and Space Invaders. (This is a playground that DeepMind has used to train many deep-learning machines.)

The team, which includes DeepMind cofounder Demis Hassibis, shows that neural episodic control vastly outperforms other deep-learning approaches in the speed at which it learns. “Our experiments show that neural episodic control requires an order of magnitude fewer interactions with the environment,” they say.

That’s impressive work with significant potential. The researchers say that an obvious extension of this work is to test their new approach on more complex 3-D environments.

It’ll be interesting to see what environments the team chooses and the impact this will have on the real world. We’ll look forward to seeing how that works out.

Ref: Neural Episodic Control : arxiv.org/abs/1703.01988

https://www.technologyreview.com/s/603868/how-deepminds-memory-trick-helps-ai-learn-faster/

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xx Re: Stuff and Nonsense Unleashed
« Reply #1036 on: Mar 17th, 2017, 09:28am »

ZETAR,

PERHAPS YOU COULD GIVE YOUR DEFINITION OF 'FREEDOM'.

SAME QUESTION TO THE REST OF YOU.

HAL
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p.s. The upper case is in deference to ZETAR's eyesight, it isn't shouting.
« Last Edit: Mar 17th, 2017, 09:29am by INT21 » User IP Logged

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xx Re: Stuff and Nonsense Unleashed
« Reply #1037 on: Mar 17th, 2017, 10:07am »

HAL,

HMMM...THAT BRIT WIT DOES INDEED SEEM TO STIRRING THE STEW...
wink

"PERHAPS YOU COULD GIVE YOUR DEFINITION OF 'FREEDOM'."

THE ABOVE IS AN ALL-ENCOMPASSING QUESTION ~ MIGHT YOU BE A BRIT MORE SPECIFIC ~ WHILST I PONDER MY RESPONSE...

SHALOM...Z
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xx Re: Stuff and Nonsense Unleashed
« Reply #1038 on: Mar 17th, 2017, 11:49am »

ZETAR,

TAKE ALL THE TIME YOU NEED.

MANY THINGS SOME WOULD DESCRIBE AS FREEDOM ARE WHAT OTHERS WOULD JUST CALL EVERYDAY LIVING.

IT IS DIFFICULT TO BE MORE SPECIFIC.

POSSIBLY IT COULD BE REPHRASED TO ' WHAT DO YOU CONSIDER TO BE A FREEDOM YOU ARE BEING DENIED ?'

AND THEN THERE IS THE CONSIDERATION THAT ONE PERSONS FREEDOM CAN CONFLICT WITH THE RIGHTS AND FREEDOMS OF OTHERS. THE FREEDOM OF SPEECH OFTEN COMES UP AGAINST THE RIGHT NOT TO BE INSULTED OR ADDRESSED IN A DEROGATORY MANNER BY OTHERS.

DOESN'T THE FIRST AMENDMENT HAVE A LOT TO SAY ON THIS ?

HAL
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xx Re: Stuff and Nonsense Unleashed
« Reply #1039 on: Mar 17th, 2017, 11:56am »

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xx Re: Stuff and Nonsense Unleashed
« Reply #1040 on: Mar 17th, 2017, 12:01pm »

HAL,

"IT IS DIFFICULT TO BE MORE SPECIFIC."

HMMM...SOMEWHAT CONTRADICTORY AS YOU INDEED DO TOUCH ON A FEW TRIBUTARIES ASSOCIATED WITH FREEDOM(S)...

"THERE IS THE CONSIDERATION THAT ONE PERSONS FREEDOM CAN CONFLICT WITH THE RIGHTS AND FREEDOMS OF OTHERS. THE FREEDOM OF SPEECH OFTEN COMES UP AGAINST THE RIGHT NOT TO BE INSULTED OR ADDRESSED IN A DEROGATORY MANNER BY OTHERS."

GUESSING YOU SHOULD HAVE ASKED WHEN DOES FREEDOM/WHAT FREEDOM(S) IMPEDE THE FREEDOM/RIGHTS OF OTHERS...WHICH I GET SEEMS TO FOLLOW UR TACK OF STIRRING LA STEW... grin

SHALOM...Z

EDIT TO ADD:

FIGURED SOME CASE LAW/PRECEDENT WOULD ENLIGHTEN YOU shocked

WOULD YOUR MONARCHY AGREE WITH SUCH SUPREME COURT RULING?...BETTER YET...DOES HAL/INT21 AGREE WITH SAME?...


Hustler Magazine, Inc. v. Falwell, 485 U.S. 46 (1988), was a United States Supreme Court case in which the Court held that the First and Fourteenth Amendments prohibit public figures from recovering damages for the tort of intentional infliction of emotional distress (IIED), if the emotional distress was caused by a caricature, parody, or satire of the public figure that a reasonable person would not have interpreted as factual.[1]
In an 8–0 decision, the Court ruled in favor of Hustler magazine, holding that a parody ad published in the magazine depicting televangelist and political commentator Jerry Falwell as an incestuous drunk, was protected speech since Falwell was a public figure and the parody could not have been reasonably considered believable. Therefore, the Court held that the emotional distress inflicted on Falwell by the ad was not a sufficient reason to deny the First Amendment protection to speech that is critical of public officials and public figures.


https://en.wikipedia.org/wiki/Hustler_Magazine_v._Falwell

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« Last Edit: Mar 17th, 2017, 12:18pm by ZETAR » User IP Logged

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xx Re: Stuff and Nonsense Unleashed
« Reply #1041 on: Mar 17th, 2017, 2:57pm »

My friends tapped in to an NRO Sat dual layer Tansmission over Fl @1300 hrs EST from what can only be assumed is Gr*yFib
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Ed he's ok..
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xx Re: Stuff and Nonsense Unleashed
« Reply #1042 on: Mar 17th, 2017, 3:33pm »

ZETAR,

SURELY, IN THE CASE YOU CITE, FALWEL ONLY HAS TO TAKE HIS ACCUSER TO COURT CLAIMING DEFAMATION OF CHARACTER.

THE ACCUSER HAS TO PROVE THAT HE (FALWEL) WAS INDEED AN INCESTUOUS DRUNK.
INCEST BEING PRETTY HIGH UP ON THE 'DO NO DO' LIST.

IF THE CLAIM WAS SOMETHING LIKE 'THAT M****R F****r IS A DRUNK' THEN SUCH AN INCESTUOUS CLAIM COULD BE PASSED OFF AS SIMPLE INVECTIVE. UNLESS, OF COURSE, THE ACCUSER MEANT IT FACTUALLY.

FAILURE TO DO SO WOULD HAVE RESULTED IN HIM BEING EXONERATED AND BEING AWARDED DAMAGES.

YOU CAN SAY THAT SOMEONE IS A KILLER. BUT YOU WILL HAVE TO BE PREPARED TO GO TO COURT AND PROVE THE CASE UNLESS YOU ARE PREPARED TO BACK DOWN AND ADMIT YOU WERE JUST BEING NASTY. THE ACCUSED MAY NOT SEE IT THAT WAY.

HAL
INT21


p.s. THAT EA-35 UNIT IS PLAYING UP AGAIN ZETAR. WOULD YOU CARE TO NIP OUTSIDE AND FIX IT ?
« Last Edit: Mar 17th, 2017, 3:36pm by INT21 » User IP Logged

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xx Re: Stuff and Nonsense Unleashed
« Reply #1043 on: Mar 17th, 2017, 3:37pm »

"THERE IS THE CONSIDERATION THAT ONE PERSONS FREEDOM CAN CONFLICT WITH THE RIGHTS AND FREEDOMS OF OTHERS. THE FREEDOM OF SPEECH OFTEN COMES UP AGAINST THE RIGHT NOT TO BE INSULTED OR ADDRESSED IN A DEROGATORY MANNER BY OTHERS."


No worries, Zetar! Our universities are taking care of this conflict!
cool


Snowflake Watch: Safe words for safe spaces

Published March 17, 2017

Citizens have 911. Employees have the EEOC. Distressed sailors have the Coast Guard.

But what do America’s college students have? Where can they turn when they find themselves outside campus “safe spaces” and suffering a “microaggression”?

Fortunately, the University of Arizona has an answer. It recently distributed a 20-page booklet suggesting to faculty that when a student is victimized by a microaggression the appropriate response should be saying “ouch.” And the correct response for the offender should be saying “oops,” according to the guide.

“If a student feels hurt or offended by another student’s comment, the hurt student can say ‘ouch.’ In acknowledgement, the student who made the hurtful comment says “oops.” If necessary, there can be further dialogue about this exchange.”

The guide was authored by Jesus Treviño, vice provost of the big taxpayer-funded university, whose salary reportedly is $214,000 per year.

For those unfamiliar with the apparently epidemic scale of microaggression and thus not able to spot such offenses, the booklet offers a definition: Microaggressions are “the everyday verbal, nonverbal, and environmental slights, snubs or insults, whether intentional or unintentional, that communicate hostile, derogatory, or negative messages to target persons based solely upon their marginalized group membership.”

The University of Arizona isn’t the first to suggest the “ouch”/”oops” protocol. Iowa State University, among others, has also urged a similar approach.

http://www.foxnews.com/us/2017/03/17/snowflake-watch-safe-words-for-safe-spaces.html



Sigh..... Will someone please explain to me what kind of human beings we are raising and what kind of society we are creating?
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xx Re: Stuff and Nonsense Unleashed
« Reply #1044 on: Mar 17th, 2017, 3:42pm »

http://www.newscientist.com/article/2124961-e-tattoos-turn-knuckles-and-freckles-into-smartphone-controls/

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xx Re: Stuff and Nonsense Unleashed
« Reply #1045 on: Mar 17th, 2017, 3:42pm »

UNDER FREEDOM OF SPEECH WOULD IT BE PERMISSIBLE TO REFER TO AN AFRICAN/AMERICAN PERSON AS A SPADE ?

A COLLOQUIALISM WHERE THE REFERENCE IS FROM THE BLACK CARD THE ACE OF SPADES.

JUST PROBING THE BOUNDARIES, YOU UNDERSTAND.

HAL
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xx Re: Stuff and Nonsense Unleashed
« Reply #1046 on: Mar 17th, 2017, 4:41pm »

Swamp,

...“If a student feels hurt or offended by another student’s comment, the hurt student can say ‘ouch.’ In acknowledgement,..

At the school I went to the accepted respone was to hit the person as hard as one could, preferably in the mouth. The more blood from the bust lip the better.

Other supporters of both parties would stand by and offer encouragement.

Then both would be marched off to the headmaster's office where we would be caned (care being taken not to strike the hand you used for writing) and that was usually the end of it.

Honor satisfied.

Ah, the good old days.

HAL
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xx Re: Stuff and Nonsense Unleashed
« Reply #1047 on: Mar 17th, 2017, 4:49pm »

Delta IV to Launch WGS-9 for the U.S. Air Force

Delta IV WGS-9 Mission ArtworkDelta IV WGS-9 Mission Overview

(Cape Canaveral Air Force Station, Fla., March 16, 2017, 12:45 p.m. EDT): The ULA Delta IV rocket carrying the WGS-9 satellite for the U.S. Air Force is scheduled for March 18. The Delta IV is set to lift off from Space Launch Complex-37 at Cape Canaveral Air Force Station in Florida. The March 18 launch window is 7:44-8:59 p.m. EDT.

Rocket/Payload: A United Launch Alliance Delta IV Medium+ (5,4) rocket will launch the ninth Wideband Global SATCOM (WGS-9) mission for the U.S. Air Force.

Date/Site/Launch Time: Saturday, March 18, 2017, from Space Launch Complex (SLC)-37 at Cape Canaveral Air Force Station, Florida. The launch window is 7:44-8:59 p.m. EDT.

Live Broadcast: The live broadcast begins at 7:24 p.m. EDT.

Continue ...
http://www.ulalaunch.com/delta-iv-to-launch-wgs9.aspx

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TRILLIONS AND TRILLIONS.........................................>>>OO

GUSTATUS SIMILIS PULLUS
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xx Re: Stuff and Nonsense Unleashed
« Reply #1048 on: Mar 17th, 2017, 5:27pm »

on Mar 17th, 2017, 4:41pm, INT21 wrote:
Then both would be marched off to the headmaster's office where we would be caned (care being taken not to strike the hand you used for writing) and that was usually the end of it.

Honor satisfied.

Ah, the good old days.

HAL
INT21

At our school the nuns would have us beat on the blackboard with our hoofs if we were caught fighting. grin

BTW, I'm now seeing this message pop up on Firefox version 52.

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It has reported the site as insecure before but this pop up is a new feature per:
https://support.mozilla.org/t5/Protect-your-privacy/Insecure-password-warning-in-Firefox/ta-p/27861
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xx Re: Stuff and Nonsense Unleashed
« Reply #1049 on: Mar 17th, 2017, 5:28pm »

YOU KNOW THE PLAYERS ~ EXPECT THE PASSION!!! wink

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SHALOM...Z
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