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Communications of the ACM

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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

February 2018


From The Eponymous Pickle

Mckinsey on China in 2018

Mckinsey on China in 2018

What can we expect in China in 2018?
By Gordon Orr in McKinsey

The nation could be shaped by geopolitics, momentum from robust economic growth, and a host of new leaders eager to implement new policy.

With so many new leaders put…


From The Eponymous Pickle

Orchard Planting

Orchard Planting

Also popped up, the 'Orchard Planting Problem',  new to me.   This Wolfram article looks at it in great depth, combinatorially and visually ....  Perhaps this would have been of more interest when we managed softwood forests.…


From Schneier on Security

Water Utility Infected By Cryptocurrency Mining Software

Water Utility Infected By Cryptocurrency Mining Software

A water utility in Europe has been infected by cryptocurrency mining software. This is a relatively new attack: hackers compromise computers and force them to mine cryptocurrency for them. This is the first time I've seen it…


From The Computing Community Consortium Blog

National Academy of Engineering Elects New Members

National Academy of Engineering Elects New Members

The National Academy of Engineering (NAE) has elected 83 new members and 16 foreign members. This brings the total U.S. membership to 2,293 and the number of foreign members to 262. Many of the newly elected members work in fields…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Is that a Trick Question?

Is that a Trick Question?

For me at least writing test/quiz questions for programming students is hard. Most of what I assign and grade are projects but sometimes I like to toss out a quiz to see if I can figure out what students really know.  And frankly…


From insideHPC

Addressing Fault Tolerance and Data Compression at Exascale

Addressing Fault Tolerance and Data Compression at Exascale

In this Let's Talk Exascale podcast, Franck Cappello from Argonne National Laboratory describes the VeloC project. "The VeloC project endeavors to provide ECP applications an optimal fault-tolerance environment, while the aim…


From insideHPC

Hayward Fault Earthquake Simulations Increase Fidelity of Ground Motions

Hayward Fault Earthquake Simulations Increase Fidelity of Ground Motions

Researchers at LLNL are using supercomputers to simulate the onset of earthquakes in California. "This study shows that powerful supercomputing can be used to calculate earthquake shaking on a large, regional scale with more …


From The Computing Community Consortium Blog

Creativity and Collaboration: Revisiting Cybernetic Serendipity

Creativity and Collaboration: Revisiting Cybernetic Serendipity

National Academy of Sciences’ Sackler Colloquium on Creativity and Collaboration: Revisiting Cybernetic Serendipity will be in Washington, DC at the National Academy of Sciences (2101 Constitution Avenue, NW Washington, District…


From insideHPC

Big 3 Cloud Providers Join with Nsf to Support Data Science

Big 3 Cloud Providers Join with Nsf to Support Data Science

"NSF’s participation with major cloud providers is an innovative approach to combining resources to better support data science research," said Jim Kurose, assistant director of NSF for Computer and Information Science and Engineering…


From insideHPC

Podcast: The Age of Quantum Computing Is (almost) Here

Podcast: The Age of Quantum Computing Is (almost) Here

 In this WSJ Podcast, scientists from the IBM’s T J Watson Research Center describe how quantum computing will enable a new age of scientific discovery. Quantum computers are incredibly powerful machines that take a new approach…


From insideHPC

Vectorization Now More Important Than Ever

Vectorization Now More Important Than Ever

Vectorization, the hardware optimization technique synonymous with early vector supercomputers like the Cray-1 (1975), has reappeared with even greater importance than before. Today, 40+ years later, the AVX-512 vector instructions…


From Computational Complexity

For the Love of Algorithms

Wired magazine labelled 2017 as The Year We Fell Out of Love with Algorithms. The article goes on to talk about how algorithms give us filter bubbles, affect elections, propagate biases and eliminate privacy. The article at the…


From The Eponymous Pickle

General Data Protection Regulation

General Data Protection Regulation

New European Data Privacy Regulation

Tech Giants Brace for Europe’s New Data Privacy Rules  in the NYTimes  By Sheera Frenkel  .... 

General Data Protection Regulation GDPR
Welcome to gdpr-info.eu. Here you can find the official…


From The Computing Community Consortium Blog

Nsf Watch Talk Server-Side Verification of Client Behavior

Nsf Watch Talk Server-Side Verification of Client Behavior

The next WATCH talk, called Server-Side Verification of Client Behavior is Thursday, February 15th, from 12PM -1PM ET from Michael Reiter at UNC-Chapel Hill. Michael Reiter is the Lawrence M. Slifkin Distinguished Professor in…


From The Eponymous Pickle

Cortana as Assistant in Context

Cortana as Assistant in Context

Not enough out there about Cortana as an assistant.  Here is a start.  Saw a demonstration of building a skill and using it as a chatbot assistant.  It doesn't get the same respect as other assistants because MSFT is not providing…


From insideHPC

Video: Lustre Generational Performance Improvements & New Features

Video: Lustre Generational Performance Improvements & New Features

Adam Roe from Intel gave this talk at LAD'17 in Paris. "Lustre has had a number of compelling new features added in recent releases; this talk will look at those features in detail and see how well they all work together from…


From The Eponymous Pickle

Voices in AI

Voices in AI

Well done podcasts:

GigaOM:  Voices in AI
Artificial Intelligence Podcast
Today's Leading Minds Talk AI with Host Byron Reese .... "


From The Eponymous Pickle

Macy's Promotes Pop-Ups in Markets

Macy's Promotes Pop-Ups in Markets

I cover the local chain Macy's retail Innovations, they have been quite innovative.  Will Pop-up stores work in a brick store environment?   Jungle Jim's does this, but it seems not to great success.   Likely to do specifically…


From insideHPC

John Elmer Joins Nag Board of Directors

John Elmer Joins Nag Board of Directors

Today the Numerical Algorithms Group (NAG) in the UK announced the appointment of John Elmer to its Board of Directors. "I am delighted that John Elmer is joining the NAG Board,” said Rob Meyer, CEO, NAG. “His track record of…


From insideHPC

Job of the Week: Computational Scientist at Washington State University

Job of the Week: Computational Scientist at Washington State University

The Center for Institutional Research Computing at Washington State University is seeking a Computational Scientist in our Job of the Week. "This position will play a key role in assisting the research community in the development…


From insideHPC

One Stop Systems Rolls Out High Bandwidth Nvme Ion Flash Storage Array

One Stop Systems Rolls Out High Bandwidth Nvme Ion Flash Storage Array

Today One Stop Systems introduced the new 2U Ion Accelerator Flash Storage Array. The new array offers flexible capacity while maintaining the high-bandwidth and low-latency pedigree of Ion Accelerator arrays deployed in hundreds…


From insideHPC

Exploiting Modern Microarchitectures: Meltdown, Spectre, and Other Attacks

Exploiting Modern Microarchitectures: Meltdown, Spectre, and Other Attacks

Jon Masters from Red Hat gave this Keynote at FOSDEM 2018. "Recently disclosed vulnerabilities against modern high performance computer microarchitectures known as 'Meltdown' and 'Spectre' are among an emerging wave of hardware…


From The Eponymous Pickle

Brain Pacemaker

Brain Pacemaker

Is something that can be described as a 'brain pacemaker' a viable idea?  Brains are very different from hearts.   From my connection to Ideaconnection.  With video.

Brain Pacemaker Could Treat Alzheimer's
An innovative brain pacemaker…


From The Eponymous Pickle

More on Echo Look

More on Echo Look

Had not heard about Amazon's Style Assistant, called Amazon Look for a while.  Of interest because we also examined many 'style' assistants here over the years.   Still unclear how well this would work.   Intrigued by the approach…


From Schneier on Security

Cabinet of Secret Documents from Australia

Cabinet of Secret Documents from Australia

This story of leaked Australian government secrets is unlike any other I've heard: It begins at a second-hand shop in Canberra, where ex-government furniture is sold off cheaply. The deals can be even cheaper when the items in…


From Gödel's Lost Letter and P=NP

Doing Mod N Via Mod R

Variations on Montgomery’s trick Peter Montgomery is a cryptographer at Microsoft. Just recently, Joppe Bos and Arjen Lenstra have edited a book titled Topics in Computational Number Theory Inspired by Peter L. Montgomery. The…


From insideHPC

How Deep Learning Is Causing a ‘seismic Shift’ in the Retail Industry

How Deep Learning Is Causing a ‘seismic Shift’ in the Retail Industry

 These days, taking big data further and integrating machine and deep learning means having a competitive edge in the retail industry. Analytics — and their analysis — have always been a cornerstone of retail success. And now…


From The Eponymous Pickle

Charting Common Machine Learning Methods

Charting Common Machine Learning Methods


Vincent Granville in DSC republishes a chart that shows and classifies commonly used machine learning methods.   With some additional useful comments.   And links to other introductory DSC articles on related topics.

Great place…


From The Eponymous Pickle

Apple Patents Drawing in the Air

Apple Patents Drawing in the Air

So they ask us to speculate:   This would allow us to mark up the world using augmented reality.

Apple's latest patent teases a Pencil that can draw in mid-air
Time to start speculating.  ... 

By Timothy J. Seppala,   @timseppala…


From The Eponymous Pickle

Wikibon Research

Wikibon Research

Again brought my attention, have used a few times.

Wikibon is a community of business technology practitioners founded to deliver the most actionable and real-time information available in the marketplace. Since 2007, Wikibon's…