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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.

October 2017


From The Eponymous Pickle

Google Improves, Automates Pet Tagging

Google Improves, Automates Pet Tagging

We were involved in work that sought to autotag pictures of people and pets in still images and video.  So this is quite a step forward.  Not too long ago this was not achievable.   Some details at the link below. 

Meow it’s even…


From insideHPC

Video: Supercomputing Models Enable Detection of a Cosmic Cataclysm

Video: Supercomputing Models Enable Detection of a Cosmic Cataclysm

In this podcast, Peter Nugent from Berkeley Lab explains how scientists confirmed the first-ever measurement of the merger of two neutron stars and its explosive aftermath. "Simulations succeeded in modeling what would happen…


From The Eponymous Pickle

Facebook Releases Video Neural Training Data

Facebook Releases Video Neural Training Data

More generally available training data for Deep Learning systems.

Facebook debuts new video datasets for training neural networks  by Maria Deutscher

 Facebook Inc. unveiled its latest contribution to the artificial intelligence…


From Computational Complexity

Reductions between formal languages



Let EQ = {w : number of a's = number of b's }



Let EQO = { anbn : n ∈  N} (so its Equal and in Order)



Typically we do the following:



Prove EQO is not regular by the pumping lemma.



Then to show EQ is not regular you say: If…


From insideHPC

ISC 2018 Issues Call For Tutorials and Workshops

ISC 2018 Issues Call For Tutorials and Workshops

ISC 2018 has issued their Call for Tutorials and Workshops. The conference takes place June 24-28 in Frankfurt, Germany. "If you possess knowledge and skills in a particular field in high performance computing, and enjoy sharing…


From The Eponymous Pickle

Seeking Voice Assistants in the Workplace

Seeking Voice Assistants in the Workplace

Now been involved in a number of brainstorm meetings addressing now virtual assistants can be used in the workplace.  Especially how voice can be used without disrupting a typical workplace.    Makes sense to use these for mundane…


From insideHPC

Supercomputing Earthquakes in the Age of Exascale

Supercomputing Earthquakes in the Age of Exascale

Over at LLNL, Linda Vu writes that tomorrow's exascale supercomputers, will enable researchers to accurately simulate the ground motions of regional earthquakes quickly and in unprecedented detail. "Ultimately, we’d like to get…


From The Noisy Channel

To Build Better Search, Develop Empathy With Your Users

To Build Better Search, Develop Empathy With Your Users

User experience designers recognize the importance of empathy in the design process. Understanding how and why users engage with products yields insights that help UX designers evaluate and improve those products.

But empathyAnd…


From insideHPC

Intel FPGAs Power Acceleration-as-a-Service for Alibaba Cloud

Intel FPGAs Power Acceleration-as-a-Service for Alibaba Cloud

Intel field programmable gate arrays (FPGAs) are now powering the Acceleration-as-a-Service of Alibaba Cloud. The acceleration service, which can be launched from the Alibaba Cloud website, enables customers to develop and deploy…


From insideHPC

Radio Free HPC Looks at how How Blockchain Could Prevent Fake News

Radio Free HPC Looks at how How Blockchain Could Prevent Fake News

In this podcast, the Radio Free HPC team looks at Henry Newman’s recent proposal to use Blockchain as a way to combat Fake News. Henry shares that this rant result from what he saw as an egregious story that was going around …


From Schneier on Security

New KRACK Attack Against Wi-Fi Encryption

New KRACK Attack Against Wi-Fi Encryption

Mathy Vanhoef has just published a devastating attack against WPA2, the 14-year-old encryption protocol used by pretty much all wi-fi systems. Its an interesting attack, where the attacker forces the protocol to reuse a key.…


From insideHPC

Simplifying HPC Software Stack Management

Simplifying HPC Software Stack Management

HPC Software StackWhile most of the fundamental HPC system software building blocks are now open source, dealing with the sheer number of components and their inherently complex interdependencies has created a barrier to adoption of HPC for many…


From The Eponymous Pickle

Next Gen Personalization

Next Gen Personalization

Good piece shows the breadth of tech being used to personalize.

Shop.org Takeaway: Three steps to next-gen personalization
 By Deena M.Amato-McCoy in ChainStorage.

Consumers are becoming more digitally influenced on a seemingly

To…


From The Eponymous Pickle

Brain Machine Interface

Brain Machine Interface

The idea has been around for years, now approaching reality.  In Wired: 

 " .... 2017 has been a coming-out year for the Brain-Machine Interface (BMI), a technology that attempts to channel the mysterious contents of the two-and…


From The Eponymous Pickle

Blockchain and the Energy Grid

Blockchain and the Energy Grid

How Blockchain Could Give Us a Smarter Energy Grid

Energy experts believe that blockchain technology can solve a maze of red tape and data management problems. .... " 

by Mike Orcutt  in Technology Review


From The Eponymous Pickle

Time Measurement Productivity Tools

Time Measurement Productivity Tools

Had not heard of many of these tools.  Rarely is time measured this carefully.

8 Productivity Tools Illustrate You Have Way More Time Than You Think

The scarcity of time is an illusion that most entrepreneurs struggle to overcome…


From The Eponymous Pickle

Ad Tech Emerging for Tactical Decisions

Ad Tech Emerging for Tactical Decisions

When I first joined the enterprise we constructed some near autonomous systems to analyze, select and insert ads optimally.    If anything today, we have much better data to drive such systems.  Is this the near future?  Where…


From The Eponymous Pickle

Russian Voice Assistant

Russian Voice Assistant

Russian Voice Assistant Alice Sounds as Natural as Developer Yandex Claims   By Brenda Stolyar in Digital Trend

It’s sometimes tough to remember the days when we didn’t have the convenience of a voice assistant. Whether it’s through…


From The Eponymous Pickle

A Creative Promotion Machine

A Creative Promotion Machine

Just now examining the creative personalization angle addressed here.  A mix of personalization and creativity.  But how much?

AI-Based Promotions – Welcome to the Creative Machine    By Vince Jeffs 

As a Marketer, when you craft…


From The Eponymous Pickle

Listening to Your Patients

Listening to Your Patients

Could virtual assistants act as a means to start efficient dialog with patients?  Consider the patient interaction to be three-way.  An assistant starts the interaction,  to establish basic facts, fears, directions.  Suggests…


From insideHPC

Video: NASA Advanced Computing Environment for Science & Engineering

Video: NASA Advanced Computing Environment for Science & Engineering

Rupak Biswas from NASA gave this talk at the Argonne Training Program on Extreme-Scale Computing. "High performance computing is now integral to NASA’s portfolio of missions to pioneer the future of space exploration, accelerate…


From insideHPC

Job of the Week: Scientific Computing Senior Engineer at NREL in Colorado

Job of the Week: Scientific Computing Senior Engineer at NREL in Colorado

NREL in Golden, Colorado is seeking a Scientific Computing Senior Engineer in our Job of the Week. "We have an immediate opening for a Systems Engineer (Job Req #R2314). This senior position is responsible for implementing and…


From The Eponymous Pickle

Cautions About Using this Blog

Cautions About Using this Blog

Because of the nature of a blog,  and the way it presents information serially, please be careful to read the publication date of information.  It may render information invalid.    Also note that I cannot guarantee that links…


From insideHPC

SciDAC funding to Move Quantum Chromodynamics forward at Jefferson Lab

SciDAC funding to Move Quantum Chromodynamics forward at Jefferson Lab

As nuclear physicists delve ever deeper into the heart of matter, they require the tools to reveal the next layer of nature's secrets. Nowhere is that more true than in computational nuclear physics. A new research effort led…


From The Eponymous Pickle

Infrastructure Automation

Infrastructure Automation

Basic Infrastructure Automation is a No-Brainer – Why Aren’t You Doing It?    Chris Gardner,  Senior Analyst  Forrester

Everyone knows they need to automate. That is not a thought-provoking statement. In fact, when we ask infrastructure…


From insideHPC

John Gustafson to host BoF on Posit Arithmetic at SC17

John Gustafson to host BoF on Posit Arithmetic at SC17

John Gustafson from A*STAR will host a BoF on Posit arithmetic at SC17. Entitled, "Improving Numerical Computation with Practical Tools and Novel Computer Arithmetic,"  this BOF will be co-hosted by Mike Lam with discussions …


From The Eponymous Pickle

Fake Data

Fake Data

My colleague Kaiser Fung talks fake data.  Good thoughts and pointers to examples and resources. Read his whole article at the link.

Here is a problem staring many digital/Web/social media analysts in the face today: what if you…


From The Eponymous Pickle

Ahold Digital Strategy

Ahold Digital Strategy

Considerable detail in this Progressive Grocer piece.

Ahold's digital strategy pays off
Ahold USA has seen success with a new digital strategy that has brought on 1 million new digital users, increased monthly app usage by 76%


From Schneier on Security

Friday Squid Blogging: International Squid Awareness Day

Friday Squid Blogging: International Squid Awareness Day

It's International Cephalopod Awareness Days this week, and Tuesday was Squid Day. I can't believe I missed it. As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered.…


From The Female Perspective of Computer Science

GHC17 / Changing of the Guard: Welcome to the New ABI President and CEO

GHC17 / Changing of the Guard: Welcome to the New ABI President and CEO

At the opening keynote of this year's Grace Hopper Celebration, eighteen thousand technical women got to meet AnitaB.org's new President and CEO, Brenda Darden Wilkerson. She introduced herself as a warm, eloquent, and passionate…