Oleg Zabluda's blog
Saturday, May 05, 2018
 
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- posted by Oleg Zabluda @ 9:48 PM | permalink | | | technorati | bloglines | feedster
 
AI researchers allege that machine learning is alchemy
AI researchers allege that machine learning is alchemy
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examples of what they see as the alchemy problem and offer prescriptions for bolstering AI's rigor. The issue is distinct from AI's reproducibility problem [...] or "interpretability" problem
[...]
when other researchers stripped most of the complexity from a state-of-the-art language translation algorithm, it actually translated from English to German or French better and more efficiently, showing that its creators didn't fully grasp what those extra parts were good for. Conversely, sometimes the bells and whistles tacked onto an algorithm are the only good parts [...] In some cases, he says, the core of an algorithm is technically flawed, implying that its good results are "attributable entirely to other tricks applied on top."
[...]
researchers should conduct "ablation studies" like those done with the translation algorithm: deleting parts of an algorithm one at a time to see the function of each component. [...] AI needs to borrow from physics, where researchers often shrink a problem down to a smaller "toy problem."
[...]
the field also needs to reduce its emphasis on competitive testing. At present, a paper is more likely to be published if the reported algorithm beats some benchmark than if the paper sheds light on the software's inner workings [...] That's how the fancy translation algorithm made it through peer review.
[...]
Yann LeCun says "It's not alchemy, it's engineering. Engineering is messy."
"""
http://www.sciencemag.org/news/2018/05/ai-researchers-allege-machine-learning-alchemy
http://www.sciencemag.org/news/2018/05/ai-researchers-allege-machine-learning-alchemy

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- posted by Oleg Zabluda @ 8:06 PM | permalink | | | technorati | bloglines | feedster
 
GDP per capita at PPP.
Originally shared by Oleg Zabluda

GDP per capita at PPP.

In Russia, vodka costs $6.06/liter. Russian GDP per capita (nominal) is $14,247/year. At PPP, if all you buy is vodka, a Russian on average can buy 2351 liters/year.

In USA, the cheapest vodka I found online is "Kavlana" for $6.95/liter.
In USA nominal GDP per capita is $49,922/yr or 7183 liters per year, a factor of 3 more.

We win. U-S-A! U-S-A!

http://www.forbes.com/sites/markadomanis/2012/05/31/russian-vodka-prices-set-to-increase-by-30-in-july/

http://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)_per_capita

http://kar-barabas.livejournal.com/800284.html

http://zhu-s.livejournal.com/273236.html
http://zhu-s.livejournal.com/156244.html
http://zhu-s.livejournal.com/224029.html
http://zhu-s.livejournal.com/272452.html
http://zhu-s.livejournal.com/231808.html
http://www.forbes.com/sites/markadomanis/2012/05/31/russian-vodka-prices-set-to-increase-by-30-in-july/

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- posted by Oleg Zabluda @ 6:55 PM | permalink | | | technorati | bloglines | feedster
 
"""
"""
В далёком тёплом море, где нет льдин, живёт печальная рыба-солнце. Она большая, круглая и плавает только прямо. И не может увернуться от зубов рыбы-акулы. Потому и печальная.
"""
https://www.youtube.com/watch?v=O3-HqPE1rJU
https://www.youtube.com/watch?v=O3-HqPE1rJU

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- posted by Oleg Zabluda @ 11:44 AM | permalink | | | technorati | bloglines | feedster
 
Ursinological imprecision in poetry:
Ursinological imprecision in poetry:
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Вырос, стал огромный Умка,
Не пролазит морда в лунку,
Рыбу блин ловить неловко,
Все - придется жрать морковку!
"""

polar bears rarely eat fish. Вот как правильно:

Вырос, стал огромный Умка,
Не пролазит морда в лунку,
Рыбa - пох. Для утоленья
голода он ест тюленя!

https://www.youtube.com/watch?v=3Hw4dl367eM
https://www.youtube.com/watch?v=3Hw4dl367eM

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- posted by Oleg Zabluda @ 10:06 AM | permalink | | | technorati | bloglines | feedster

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