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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.

September 2020


From Computational Complexity

An interesting serendipitous number

 Last seek I blogged about two math problems of interest to me here.

One of them two people posted answers, which was great since I didn't know how to solve them and now I do. Yeah! I blogged about that here.


The other problem


it…


From The Eponymous Pickle

How AI Fits into Today's Economy

How AI Fits into Today's Economy

TNW looks into AI, and provides a non technical view, points to Prediction Machines Book. good starting place regarding economics involved.

A realistic picture of how AI fits into today’s economy

There’s a difference between a

Where…


From insideHPC

Nvidia to Acquire Arm for $40 Billion

Nvidia to Acquire Arm for $40 Billion

Nvidia and SoftBank Group Corp. (SBG) have announced an agreement under which Nvidia will acquire Arm Limited from SBG and the SoftBank Vision Fund in a transaction valued at $40 billion. The acquisition, scheduled for completion…


From The Eponymous Pickle

Antipatterns and Tech Transforms

Antipatterns and Tech Transforms

Antipatterns that are derailing technology transformations | in McKinsey

By Sven Blumberg, Thomas Delaet, and Kartikeya Swami

Ten ‘antipatterns’ that are derailing technology transformations

Shortsighted solutions to recurring problems…


From The Eponymous Pickle

Blogging Note

Blogging Note

I am being forced by Google into using the latest version of Blogger now. And it has led me into an increase of errors.  And more editing.   I will fix them as I see them.   If you notice something that I have missed, and is


From insideHPC

What Do You Mean “What’s My Workload?” I Have Hundreds of Them!

What Do You Mean “What’s My Workload?” I Have Hundreds of Them!

In this sponsored post, Curtis Anderson, Senior Software Architect at Panasas, Inc., takes a look at what Panasas is calling Dynamic Data Acceleration (DDA) and how it dramatically improves HPC performance in a mixed-workload…


From The Eponymous Pickle

NVidia Buys ARM for 40 Billion, Plans new AI Research Center

NVidia Buys ARM for 40 Billion, Plans new AI Research Center

Considerable detail in this ExtremeTech piece, On China connections.

Nvidia Buys ARM for $40 Billion, Plans New AI Research Center
 In ExtremeTech by Joel Hruska

The Nvidia-ARM rumors we’ve been reporting on for the past few months…


From BLOG@CACM

Trolleyspotting

Trolleyspotting

The Trolley Problem is not for solving, but for exploring.


From The Eponymous Pickle

On Ensemble Methods, the How and Why

On Ensemble Methods, the How and Why

Nicely done piece on the topic.  The general overiew motivates the use of all kinds of group solutions, even without analytics methods involved.  We often used them if we were at all uncertain of best solution methods.   They…


From Gödel's Lost Letter and P=NP

Convex Algorithms

Continuous can beat discrete Nisheeth Vishnoi is a professor at Yale University in the computer science department. The faculty there is impressive and includes many of the top researchers in the world. The CS faculty is pretty…


From The Eponymous Pickle

Alexa and HIPAA

Alexa and HIPAA

 Skill directions in healthcare.  Requirements are interesting.

Amazon Opens Applications for HIPAA-Eligible Alexa Skills
 Eric Hal Schwartz on September 11, 2020 at 1:00 pm

Amazon is expanding its HIPAA-compliant Alexa skill program…


From The Eponymous Pickle

Finding the New from the Old

Finding the New from the Old

Makes the case that you can use older data to make useful conclusions.  Though in our experience the required meta data was often not available.    Physics/astronomy is at least often based on some strong science foundations.…


From Putting People First

[Book] The Weirdest People in the World

[Book] The Weirdest People in the World

Provocative and engaging in both its broad scope and its surprising details, The WEIRDest People in the World explores how culture, institutions, and psychology shape one another, and explains what this means for both our most…


From The Eponymous Pickle

Publishers vs Internet Archive

Publishers vs Internet Archive

Came across this pre pandemic when I received a letter from my local library about them decreasing the number of digital 'copies' of books available.    Had previously been connected to the Google Books program, that sought to…


From insideHPC

Report: Nvidia on Verge of Arm Acquisition

Report: Nvidia on Verge of Arm Acquisition

The Wall Street Journal reported today that Nvidia is close to purchasing British chip designer Arm Holdings from SoftBank Group for more than $40 billion in a cash-and-stock deal, one that has been rumored for several weeks.…


From The Eponymous Pickle

Voice Interoperability Initiative: Combining Assistant Contexts?

Voice Interoperability Initiative: Combining Assistant Contexts?

Had seen this mentioned before, but had not completely understood its implications.  Considerable piece in Venturebeat.    Overall implications for ultimate intelligence of an assistant are unclear to me,but this takes an interesting…


From BLOG@CACM

Students Need to Know What Success in Computing Looks Like, Starting from Realistic Expectations

Students Need to Know What Success in Computing Looks Like, Starting from Realistic Expectations

Intro CS students sometimes think professional programmers are super-human, which makes it hard to live up to those expectations.


From The Eponymous Pickle

AI and Restaurants

AI and Restaurants

Instructive insights about an industry that is now under considerable pressure.

  ... AI Issues and Advances in the Restaurant and QSR (Quick Service Restaurant) Industry
Via Northwestern and Platt Institute

The Retail Analytics…


From The Eponymous Pickle

Wolfram Alpha Notebook Turns One: Does Chemistry

Wolfram Alpha Notebook Turns One: Does Chemistry

This remains taking a close look at.   We explored WolframAlpha itself.  What I liked here was its use in specific context, like here: Chemistry.  Does this help or diminish teaching in the basics of analytical chemistry?  Note…


From The Eponymous Pickle

Robot Dogs Exercise with Troops

Robot Dogs Exercise with Troops

Not unexpected, seems most of the examples shown are remotely controlled via tele operation as opposed  to  autonomous,  but the latter,  especially in supporting roles, are sure to quickly follow.

Robot Dogs Join U.S. Air Force…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

How Are You Doing?

How Are You Doing?

We’ve now finished the first week after Labor Day and at least in North America almost everyone is back to school. That may not mean physically back in a bricks and mortar school building though. My grandson is starting kindergarten…


From The Eponymous Pickle

Secure Quantum Communications

Secure Quantum Communications

Intriguing application of quantum communication.  Reminds me me some papers read in the way back about use of split wavelength data streams.    Worth a look. 

Secure Quantum Communications Network the Largest of Its Kind
New Scientist…


From The Eponymous Pickle

Using a Graph Database

Using a Graph Database

Reasonable argument,but needs more thought for particular context.

Developers should consider using graph databases | InfoWorld

Graph databases are proven architectures for storing data with complex relationships. Why aren't more…


From The Eponymous Pickle

Google Expected to See Antitrust

Google Expected to See Antitrust

Antitrust looms, what will the implications be?  Google does lots of very good work, don't what to see it reduced. 

Google Just Got Very Bad News and It Could Change the Way You Use the Internet The Department of Justice is expected…


From The Eponymous Pickle

Quantum Physics To Protect Data Over Standard Telecom Networks

Quantum Physics To Protect Data Over Standard Telecom Networks

Brought to my attention:

Quantum Breakthrough to Protect Data over Standard Telecom Networks

In an exclusive interview with Fortune,  Quantum Xchange’s CEO John Prisco discusses the technique of quantum key distribution (QKD) to…


From The Computing Community Consortium Blog

NSF CISE Distinguished Lecture: Former CRA Board Member Moshe Y. Vardi on Lessons from COVID-19

NSF CISE Distinguished Lecture: Former CRA Board Member Moshe Y. Vardi on Lessons from COVID-19

Former CRA Board Member, Moshe Vardi from Rice University will present “Lessons from COVID-19: Efficiency vs Resilience,” as part of the National Science Foundation (NSF) Computer & Information Science & Engineering (CISE) Distinguished…


From Schneier on Security

Friday Squid Blogging: Calamari vs. Squid

Friday Squid Blogging: Calamari vs. Squid

St. Louis Magazine answers the important question: “Is there a difference between calamari and squid?” Short answer: no.

As usual, you can also use this squid post to talk about the security stories in the news that I haven’t…


From The Eponymous Pickle

Lidar Becomng a Business

Lidar Becomng a Business

Advanced sensors growing up and competing, good direction.  We examined this very early on for shelf inventory.

Lidar Is Finally Becoming a Real Business
The success of lidar companies was unclear until this summer, when three

FOR…


From insideHPC

The Hyperion-insideHPC Interviews: ORNL Distinguished Scientist Travis Humble on Coupling Classical and Quantum Computing

The Hyperion-insideHPC Interviews: ORNL Distinguished Scientist Travis Humble on Coupling Classical and Quantum Computing

Oak Ridge National Lab’s Travis Humble has worked at the headwaters of quantum computing research for years. In this interview, he talks about his particular areas of interest, including integration of quantum computing with …


From The Eponymous Pickle

Walmart Rolls + Ads and Marketing

Walmart Rolls + Ads and Marketing

How different will this be in communicating value to the consumer?

Walmart Launches Walmart+ Ad Campaign
By Bridget Goldschmidt - 09/10/2020 

Still from an ad in Walmart's "A New Kind of Membership" campaign promoting the retailer's…