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Jukka Suomela
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Jukka Suomela

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This was a very interesting read. I used to know a little bit about machine learning, but I haven't been really following the area that much recently. Nielsen's book gave a nice, concise update of what has happened in machine learning during the past 10 years or so — and in particular very well explained what is all the fuss about deep neural networks.

Remember to read the appendix, too!
 
The final chapter of my book on neural nets and deep learning.  The chapter develops code implementing some deep convolutional networks, and uses those networks to obtain near human performance on the MNIST digit classification problem. The chapter also takes a look at the big picture, surveying some of the recent exciting progress using deep learning to attack problems in image and speech recognition, as well other areas.  I also discuss questions such as the role of deep learning in artificial intelligence.

http://neuralnetworksanddeeplearning.com/chap6.html
In the last chapter we learned that deep neural networks are often much harder to train than shallow neural networks. That's unfortunate, since we have good reason to believe that if we could train deep nets they'd be much more powerful than shallow nets. But while the news from the last chapter ...
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Jukka Suomela

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We have open positions for both PhD students and postdoctoral researchers who are interested in the theory of distributed computing!

— postdocs: application deadline 31 July 2015, more information at http://www.aalto.fi/en/about/careers/jobs/view/539/

— PhD students: application deadline 6 August 2015, more information at http://www.hict.fi/admission
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Jukka Suomela

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Three recent papers coauthored by members of our group, to appear in DISC 2015:

— Christoph Lenzen, Joel Rybicki: “Efficient Counting with Optimal Resilience” · http://users.ics.aalto.fi/rybicki/publications/efficient-counting-2015.html

— Laurent Feuilloley, Juho Hirvonen, Jukka Suomela: “Locally Optimal Load Balancing” · http://arxiv.org/abs/1502.04511

— Jérémie Chalopin, Shantanu Das, Pawel Gawrychowski, Adrian Kosowski, Arnaud Labourel, Przemysław Uznański: “Lock-in Problem for Parallel Rotor-router Walks” · http://arxiv.org/abs/1407.3200

The "efficient counting" paper is an improvement over the paper that Joel presented yesterday at PODC 2015. In the PODC paper, we achieved a resilience that was only near-optimal (f almost linear in n). In the DISC paper, Christoph and Joel show how to achieve optimal resilience (f < n/3).

#DISC2015   #distributedcomputing   #distributedalgorithms  
Accepted Papers. Ahmed Hassan, Roberto Palmieri and Binoy Ravindran. “Transactional Interference-less Balanced Tree.” Andrea Cerone, Alexey Gotsman and Hongseok Yang. “Transaction Chopping for Parallel Snapshot Isolation.” Aras Atalar, Paul Renaud-Goud and Philippas Tsigas.
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We will organise SIROCCO 2016 in Helsinki, Finland!

There is still some flexibility in scheduling, so I would be happy to hear if there are any preferences regarding the exact dates.

We are currently planning to have it during the week of 18–22 July 2016. That is, the week after ICALP (in Rome) and the week before PODC (in Chicago). There are direct flights Rome–Helsinki and Helsinki–Chicago.

Is anyone aware of any other conferences or activities that might conflict with this choice?

#SIROCCO2016  
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The conference web site is now online: http://sirocco2016.hiit.fi/
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Here is an animation that shows why the choice of partitioning algorithms may matter a lot in parallel quicksort implementations.
Background. In our lecture course Programming Parallel Computers, one of the exercises was to implement an efficient parallel version of quicksort. Here is a simple approach that works fairly well in our test environment: Step 1: recursively partition the array in 8 parts (using up to 4 threads) ...
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Jukka Suomela

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This looks like a very helpful tool for choosing colour schemes for all kinds of visualisations.

It focuses on producing useful colour schemes, not just something that looks nice.
Nature of your data: sequential diverging qualitative. Pick a color scheme: Only show: colorblind safe print friendly photocopy safe. Context: roads cities borders. Background: solid color terrain. color transparency. BuGn. HEX, RGB, CMYK. how to use | updates | downloads | credits ...
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(Title should have been listed as: Three weeks to save freedom of panorama in Europe)

The European Parliament is pushing to outlaw, throughout Europe, the ability to take and freely use pictures in public places (since almost all public places in Europe include recent buildings). Don't be fooled by the "commercial use" clause: for instance, uploading to Wikipedia counts as a commercial use for the purpose of this law.
Considers that the commercial use of photographs, video footage or other images of works which are permanently located in physical public places should always be subject to prior authorisation from the authors or any proxy acting for them;. This amended text is now due to be voted on by the full ...
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"In Finland, everyone stands in line. Even the President."
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DISC 2015 accepted papers
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"… from 15 June 2017 you can use your mobile device when travelling in the EU paying the same prices as at home (domestic prices). For instance, if you pay for a monthly volume of minutes, SMS and data in your country, any voice call, SMS and data session you make while travelling abroad in the EU will be deducted from that volume as if you were at home, with no extra charges."
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Computer science departments in Helsinki region are hiring new PhD students. This is a joint call for positions in Aalto University, University of Helsinki, and Helsinki Institute for Information Technology.
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We are hiring: a 2-year postdoc position in Helsinki, Finland, application deadline 31 July 2015.

#postdoc   #distributedcomputing   #distributedalgorithms   #aaltouniversity  
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Why the Security of USB Is Fundamentally Broken | Threat Level | WIRED
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Best paper awards at ICALP 2014
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The EATCS is proud to announce that the program committees of the three tracks of ICALP 2014 have selected the following papers for the best

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Feedly News Reader. Blogs. RSS
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With younited you can have all your stuff in a safe cloud. You can access your pictures, videos, music and docs with your Android and other

The selected-papers network
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This post is to report briefly on a new and to my mind very exciting venture in academic publishing. It's called the Selected Papers Network

What can be decided locally without identifiers? | Abstract Talk
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Abstract. Do unique node identifiers help in deciding whether a network G has a prescribed property P? We study this question in the context

The On-Line Encyclopedia of Integer Sequences™ (OEIS™)
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The On-Line Encyclopedia of Integer Sequences™ (OEIS™). Enter a sequence, word, or sequence number: Hints. Note: Advanced searches are now m

ACM Digital Library
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www.acm.org - The premier society in computing brings you the Computer Portal.

Fingerpori - HS.fi
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Löydät Fingerporin Heimon, Allanin ja Mustanaamion HS.fi:stä. Luettavissa myös kaikki stripit vuodesta 2007.

Viivi &amp; Wagner - HS.fi
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Parhaat stripit ja parisuhteen hoitovinkit. Viivi &amp; Wagner -arkistosta löydät kaiken parisuhteesta sian ja naisen sanoin. Jaa parhaat st

The Geomblog: Models for MapReduce
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Models for MapReduce. I&#39;ve been listening to Jeff Phillips&#39; comparison of different models for MapReduce (he&#39;s teaching a class

Free online dictionary definitions for learners of English ...
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Free online dictionary definitions and pronunciations for learners of English from the bestselling Oxford Advanced Learner&#39;s Dictionary.