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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.

May 2018


From BLOG@CACM

Teaching Two Programming Languages in the First CS Course

Teaching Two Programming Languages in the First CS Course

Should we teach two different programming languages in the first CS course?  Probably not -- here's what we know.


From insideHPC

Mentorship fosters a Career in STEM

Mentorship fosters a Career in STEM

In this special guest feature, Faith Singer-Villalobos from TACC continues her series profiling Careers in STEM. It's the inspiring story of Je'aime Powell, a TACC System Administrator and XSEDE Extended Collaborative Support…


From insideHPC

HPC and Precision Medicine: A New Framework for Alzheimer’s and Parkinson’s

HPC and Precision Medicine: A New Framework for Alzheimer’s and Parkinson’s

Joe Lombardo from UNLV gave this talk at the HPC User Forum. "The University of Nevada, Las Vegas and the Cleveland Clinic Lou Ruvo Center for Brain Health have been awarded an $11 million federal grant from the National Institutes…


From insideHPC

Altair and Cray Extend HPC Collaboration

Altair and Cray Extend HPC Collaboration

Today Altair announced a 3-year extension to its OEM agreement with Cray Inc. Under the terms of this agreement, PBS Professional will remain bundled as the preferred commercial scheduler on new systems manufactured and shipped…


From insideHPC

Micron Now Shipping Quad-Level Cell NAND SSDs

Micron Now Shipping Quad-Level Cell NAND SSDs

"Today Micron Technology announced the company is shipping the industry’s first SSD built on revolutionary quad-level cell (QLC) NAND technology. The Micron 5210 ION SSD provides 33 percent more bit density than triple-level …


From Schneier on Security

Another Spectre-Like CPU Vulnerability

Another Spectre-Like CPU Vulnerability

Google and Microsoft researchers have disclosed another Spectre-like CPU side-channel vulnerability, called "Speculative Store Bypass." Like the others, the fix will slow the CPU down. The German tech site Heise reports that…


From The Eponymous Pickle

Microsoft Makes Chat calls in China

Microsoft Makes Chat calls in China

More word of  call-making chatbots, akin to recently announced Google Duplex.  Ultimately you will have to have such systems communicating, with people and other systems, but the implications need to be thought through.  Will…


From The Eponymous Pickle

Geographic Optimization with Bayesian Networks

Geographic Optimization with Bayesian Networks

Had not seen this kind of optimization before with Bayesian Networks.  Webinar leads you through the process, largely non-technical.

 ... By Stefan Conrady,, 
Managing Partner at Bayesia USA & Singapore: Bayesian Networks for Research…


From The Eponymous Pickle

Pets and Machine Learning Interactions

Pets and Machine Learning Interactions

In Pete Warden's Blog, interesting views.   Have seen some of that in my own menagerie of chatbots and responsive assistants.    But I think ultimately we will want assistant than amusement.  Machine learning is collaborative…


From The Eponymous Pickle

On the rise of the Chatbots

On the rise of the Chatbots

HPE provides an a good, non technical view.  Conversational intelligence and its increasing acceptance.  Obstacles will be maintaining the underlying knowledge.

Conversational AI and the rise of the chatbots

It’s important to understand…


From The Eponymous Pickle

Synthetic Data

Synthetic Data

Companies may often have mixes of real and synthetic data,  early on we used simulations to create streams of data that were realistic for particular context. Synthetic data can also be assembled from snippets of data from other…


From The Eponymous Pickle

P&G Uses SmartLabel Platform

P&G Uses SmartLabel Platform

P&G is leader in using means to get to details about thousands of their products.

P&G using technology to peel back curtain on thousands of products on the shelf
By Andy Brownfield  – Reporter, Cincinnati Business Courier

Cincinnati…


From The Eponymous Pickle

Data Science and Machine Learning for Healthcare

Data Science and Machine Learning for Healthcare

To be updated ...

Cognitive Systems Institute Talk   Join us.

24 May 2018: 10:30 AM, ET   (Access Instructions below)

Talk by: Farah Shamout

Title: “Data Science and Machine Learning for Healthcare   

Abstract:     (Will be placed…


From The Eponymous Pickle

Hacking Back: An Active Defense

Hacking Back: An Active Defense

Interesting thought, but am not sure I would want to get into the battle with the hackers.  Still may be a place someone will have to go to provide an active defense.  Intriguing thoughts that include both hacking and business…


From The Eponymous Pickle

Sharepoint Virtual Reality

Sharepoint Virtual Reality

We experimented with similar ideas.  How do you immerse yourself in messy data?   In information architecture.   We never thought of Sharepoint as a place to start, though we were an MS shop with lots of data of many kinds there…


From The Eponymous Pickle

Acer Ships with Alexa

Acer Ships with Alexa

Seems to hurt Cortana, but Cortana will also be installed on these same machines along with Windows 10.  But as mentioned, Cortana has been poorly marketed, especially as to its value to support particular consumer needs.  Paul…


From The Eponymous Pickle

AI for Smart Houses

AI for Smart Houses

The AI we are using today is simplistic, where will it grow?

Deep Learning, Artificial Intelligence Leading the Way to Smart  Houses
In the Baylor Lariat (TX)   By Samantha Amaro

Baylor University researchers are studying deep learning…


From insideHPC

Call for Submissions: IO500 List

Call for Submissions: IO500 List

The Virtual Institute for IO is now accepting submissions for the upcoming IO500 list, which will be revealed at ISC 2018 in Frankfurt, Germany. "The IO500 benchmark suite is designed to be easy to run and the community has multiple…


From The Computing Community Consortium Blog

Call for Applications – CCC Leadership in Embedded Security Workshop

Call for Applications – CCC Leadership in Embedded Security Workshop

The Cybersecurity Taskforce of the Computing Community Consortium (CCC) will host a leadership workshop to envision the future of embedded security research on August 13th in Baltimore, Maryland. Embedded systems such as pacemakers…


From BLOG@CACM

Articulation of Decision Responsibility

Articulation of Decision Responsibility

Can we establish a locution for the results of a program that does not ascribe decision-making power?


From Schneier on Security

Japan's Directorate for Signals Intelligence

Japan's Directorate for Signals Intelligence

The Intercept has a long article on Japan's equivalent of the NSA: the Directorate for Signals Intelligence. Interesting, but nothing really surprising. The directorate has a history that dates back to the 1950s; its role is…


From insideHPC

Call for Applications: NCSA GPU Hackathon in September

Call for Applications: NCSA GPU Hackathon in September

NCSA is now accepting team applications for the Blue Waters GPU Hackathon. This event will take place September 10-14, 2018 in Illinois. "General-purpose Graphics Processing Units (GPGPUs) potentially offer exceptionally high…


From insideHPC

Data Compression Optimized with Intel® Integrated Performance Primitives

Data Compression Optimized with Intel® Integrated Performance Primitives

Intel® Integrated Performance Primitives (Intel IPP) offers the developer a highly optimized, production-ready, library for lossless data compression/decompression that targets image, signal, and data processing, and cryptography…


From The Eponymous Pickle

Microsoft Buys Semantic Machines

Microsoft Buys Semantic Machines

Towards more conversational machines.  We spent many years trying to figure out how analytics, systems and machines could better 'understand' the meaning of data.  Now this will be essential to lead to better conversational interaction…


From The Eponymous Pickle

Replacing Powerpoint with Narratives

Replacing Powerpoint with Narratives

Stories are good, when constructed well.   What if you just want the essential and concise points to carry away.  Narrative also has the stronger possibility of Confirmation Bias.  Its a good story, so its real, true?  And the…


From insideHPC

Unified Deep Learning Configurations and Emerging Applications

Unified Deep Learning Configurations and Emerging Applications

Deep learning configurationsThis is the final post in a five-part series from a report exploring the potential machine and a variety of computational approaches, including CPU, GPU and FGPA technologies. This article explores unified deep learning configurations…


From insideHPC

Japan Meteorological Agency to deploy Two Cray XC50 Supercomputers

Japan Meteorological Agency to deploy Two Cray XC50 Supercomputers

Today Cray announced that the Japan Meteorological Agency (JMA) is implementing two Cray XC50 supercomputers at its site in Kiyose, Tokyo. These systems are expected to deliver a combined peak performance of more than 18 petaflops…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Teaching the History of Computing

Teaching the History of Computing

History is important. We’ve all heard, if not quoted, the adage that “those who do not learn from history are doomed to repeat it.” Mark Guzdial has a blog post (Computer science education is far bigger than maker education)“What…


From Computational Complexity

COMPUTER PROOF vs computer proof- Quadratic VDW theorem

Quad VDW Theorem: For all c there exists W=W(c) such that for all c-colorings of {1,...,W} there exists a,d such that a and a+d2 are the same color.



What is known about W(c)?



The first proof of Quad VDW was nonconstructive.…


From The Eponymous Pickle

Smart Diapers Design with Sensors

Smart Diapers Design with Sensors

Used to work at a company that competed in this space.  In Design, manufacturing and marketing.    Will this compete?

Alphabet’s Verily has a “smart diaper“ design that distinguishes pee from poo   Beyond simple moisture detectors…

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