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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.

December 2015


From The Eponymous Pickle

Look at Amazon Echo as Assistant

Look at Amazon Echo as Assistant

Have much enjoyed the Amazon Echo's capabilities over the last year.  As the article suggest, it works well in unusual, sound challenging environments.  That is a plus.  It does quite well as an always-on attentive assistant.…


From Computer Science Teachers Association

Computer Science Goes Beyond Coding

Computer Science Goes Beyond Coding

CSTA’s very own Board Member, Sheena Vaidyanathan has been featured in a December edSurge article, titled “Computer Science Goes Beyond Coding.” The “teach kids to code” movement has many thinking that computer science is just…


From insideHPC

Video: GPUltima – The Ultimate in GPU Networks

Video: GPUltima – The Ultimate in GPU Networks

Steve Cooper from One Stop Systems presented this talk at SC15. “The OSS GPUltima is the densest and most cost-effective petaflop solution for scalable data center infrastructures," said Steve Cooper, OSS CEO. “Supporting up …


From insideHPC

Intel Completes Altera Acquisition

Intel Completes Altera Acquisition

Today Intel Corporation announced that it has completed the acquisition of Altera, a leading provider of field-programmable gate array (FPGA) technology. The acquisition complements Intel's leading-edge product portfolio and …


From insideHPC

2016 Predictions from Radio Free HPC

2016 Predictions from Radio Free HPC

In this podcast, the Radio Free HPC team makes their tech predictions for 2016. Will secure firmware be the key differentiator for HPC vendors? Will this be the year of FPGAs? And could we see a 100 Petaflop machine on the TOP500…


From The Eponymous Pickle

R for Big Data: PivotalR

R for Big Data: PivotalR

Just examining.    Addressing the usability of languages like R and Python in Big Data computing environments." ... When discussing data science tools, it’s common for folks to passionately debate about algorithm breadth, scalability…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Top Posts from 2015

Top Posts from 2015

I decided it was time to take a look at my most read posts from the last year. This is an interesting exercise for several reasons. One is the inconsistency of statistics. I have two sources (Google Analytics and Blogger’s native…


From Schneier on Security

DMCA and the Internet of Things

DMCA and the Internet of Things

In theory, the Internet of Things -- the connected network of tiny computers inside home appliances, household objects, even clothing -- promises to make your life easier and your work more efficient. These computers will communicate…


From The Eponymous Pickle

Winning at Work

Winning at Work

Useful thoughts:  In the HBR:  Research-Based Ways to Win at Work in 2016   by Sarah Green CarmichaelNone of these points are that surprising.  Each suggestion has a link that leads to related research.   All from other articles…


From The Eponymous Pickle

Media Spending Slower Growth

Media Spending Slower Growth

From McKinsey:   A key measure.   Overall expenditures rose marginally year on year in 2014, but slower growth is coming.  


From Geeking with Greg

Working at Microsoft

Working at Microsoft

I'm joining Microsoft! I'll be part of the excellent Analytics and Experimentation team, helping people learn from data. I'm excited! I've been geeking out with big data from before data science was a thing and before being a…


From insideHPC

Podcast: Alan Gara on the Intel Scalable System Framework

Podcast: Alan Gara on the Intel Scalable System Framework

In this Intel Chip Chat podcast, Alan Gara describes how Intel’s Scalable System Framework (SSF) is meeting the extreme challenges and opportunities that researchers and scientists face in high performance computing today. He…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Computer (and Math) Humor

Computer (and Math) Humor

I like this one in part because it is subtle. There are two basic standards for opening the curly brace in C-type languages.  Not everyone will pick up on it. Is it important which way you do it? Actually no. It may not even…


From The Eponymous Pickle

BMW Pushes Gesture Control

BMW Pushes Gesture Control

Always had my doubts about gestures control in cars, but BMW is pushing it:In TheVerge:Last CES, BMW teased the future of its human-machine interface with a gesture control demo — a capability that debuted later in 2015 on the…


From insideHPC

Call for Papers: EMiT 2016 Emerging Technologies Conference

Call for Papers: EMiT 2016 Emerging Technologies Conference

The EMiT 2016 Emerging Technologies Conference has issued its Call for Papers. Hosted by the Mont-Blanc project and the Barcelona Supercomputing Centre, the event takes place June 2-3, 2016 in Barcelona.

The post Call for Papers…


From insideHPC

Video: Profiling at Scale

Video: Profiling at Scale

"Developers of modern HPC applications face a challenge when scaling out their hybrid (MPI/OpenMP) applications. As cluster sizes continue to grow, the amount of analysis data collected can easily become overwhelming when going…


From Computational Complexity

Complexity Year in Review 2015

We had an incredible year for theorems in 2015, the strongest year in computational complexity in the last decade. Topping the list as the theorem of the year is László Babai's quasipolynomial-time algorithm for graph isomorphism…


From Daniel Lemire's Blog

My most popular posts in 2015… (part I)

My most popular posts in 2015… (part I)

Programming If you want the world to get progressively better, you have to do your part. Programmers can’t wait passively for hardware to get better. We need to do our part. In particular, we need to better exploit our CPUs if…


From The Eponymous Pickle

Disease Diagnosis, Data Analysis

Disease Diagnosis, Data Analysis

Instructive, technical piece on disease diagnosis using Bayesian analysis.  Includes R code for implementation.  Cautionary analysis of the results.  Particular attention paid to false alarm rate. Useful for analyzing many kinds…


From The Eponymous Pickle

Philip Tetlock and Super Forecasting

Philip Tetlock and Super Forecasting

Recently covered in the BBC with an introductory article and broadcast.    About the gradual improvement of forecasting and the use of tournaments to drive them.  This topic has been covered here for some time.    Precision…


From The Eponymous Pickle

Google Introduces Open Location Codes

Google Introduces Open Location Codes

Long time fascination with maps and location.  Google Earth and Google Maps,  linked to satelite imagery  amazed me in the way they brought interactive maps to anyone.  Further Google has recently added open location codes ..…


From Schneier on Security

NSA/GCHQ Exploits Against Juniper Networking Equipment

NSA/GCHQ Exploits Against Juniper Networking Equipment

The Intercept just published a 2011 GCHQ document outlining their exploit capabilities against Juniper networking equipment, including routers and NetScreen firewalls as part of this article. GCHQ currently has capabilities against…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Interesting Links 28 December 2015

Interesting Links 28 December 2015

I just realized that this will be the last interesting links post of 2015. What a year it has been. Last week I spent less time online or thinking about school and computer science than usual. School was out for me but I hadThe…


From insideHPC

Call for Papers: InterCloud-HPC 2016 in Austria

Call for Papers: InterCloud-HPC 2016 in Austria

The InterCloud-HPC 2016 conference has issued its Call for Papers. As part of The International Conference on High Performance Computing & Simulation (HPCS 2016), the event takes place July 18-22 in Innsbruck, Austria.

The post…


From insideHPC

Video: The SeqAn C++ Library for Efficient NGS Sequence Analysis

Video: The SeqAn C++ Library for Efficient NGS Sequence Analysis

"SeqAn (www.seqan.de) is an open-source C++ template library (BSD license) that implements many efficient and generic data structures and algorithms for Next-Generation Sequencing (NGS) analysis. It contains gapped k-mer indices…


From Gödel's Lost Letter and P=NP

Why Is Discrete Math Hard To Teach?

A new approach to teaching discrete math René Descartes and François Viète are mathematicians who have something in common, besides being French. Let’s get back to that shortly. I am about to teach our basic discrete math class…


From The Eponymous Pickle

Why Book: On Causes

Why Book:  On Causes

Reading excellent book that addresses a favorite, fundamental topic. Non Technical.Why: A Guide to Finding and Using Causesby Samantha Kleinberg"Kleinberg expertly guides readers on a tour of the key concepts and methods for…


From The Eponymous Pickle

Homekit Thermostat for a Smart Home

Homekit Thermostat for a Smart Home

The humble home thermostat has always been a model for the sensing device.  Even for the future of pattern matching AI.   Have been examining examples like the Nest as a starting point for the smart home.   And Echo as a means…


From The Eponymous Pickle

Whats a Data Lake?

Whats a Data Lake?

Nicely done overview.   In a world of cheaper storage, more data and metadata, better BI and deep analytics,  toward automated modeling methods .... makes much sense.  How about an automated way to scour the lake to find leverage…


From The Eponymous Pickle

Digital Signage 2.0 Advances as Data Art

Digital Signage 2.0 Advances as Data Art

Good overview of the advance of digital signage.  We spent much time trying to understand its effective in store use.   Beyond retail grocery retail?  Perhaps.   " .... Their secret weapon is "data art," a new breed of highly…