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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.

January 2011


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

To IDE or Not To IDE

To IDE or Not To IDE

One of the controversial issues that keeps coming up in computer science education is the role of the IDE


From The Noisy Channel

Enabling Exploratory Search with Dhiti

Enabling Exploratory Search with Dhiti

Last August, I wrote “Exploring Nuggetize“, in which I described an interface that


From U.S. Public Policy Committee of the ACM

President Signs COMPETES Reauthorization

President Signs COMPETES Reauthorization

On Tuesday President Obama signed into law the reauthorization of the America COMPETES Act. The bill continues (among other things) the increasing funding trend for the National Institute of Standards and Technology, the National…


From The Eponymous Pickle

RFID Security Cube

RFID Security Cube

In RFID Journal: Had thought these kinds of security applications makes sense, here is a recent example:Self-contained RFID Cube Helps Keep Out Foreign MaterialAccess Solutions has devised a turnkey unit that employs EPC Gen…


From The Eponymous Pickle

Crowdsourcing Site

Crowdsourcing Site

I was contacted to take a look at a fascinating site that helps you construct crowd sourced solutions.It is called Squad Help.  It looks like it uses contests to help companies solve a soft problem, like naming a product or site…


From Schneier on Security

SMS of Death

SMS of Death

This will be hard to fix:

Using only Short Message Service (SMS) communications


From Daniel Lemire's Blog

So, you want to be a mad scientist?

So, you want to be a mad scientist?

Exceptional scientists are often a bit crazy: Kurt G


From Computational Complexity

The Enduring Legacy of the Turing Machine

Last Februrary Peter Wegner asked if I would be interested in writing an article for a series in ACM Ubiquity on "What is Computation?" Our expanding collaboration with other fields is broadening our understanding of computation…


From BLOG@CACM

Teaching Kids to Feel the Math With Computers

Teaching Kids to Feel the Math With Computers

Why are students still calculating when they could be understanding?  Now that computers are everywhere, how should math education change?


From Wild WebMink

links for 2011-01-06

links for 2011-01-06

WikiLeaks prompts internal federal crackdown As I recall this is exactly the auto-immune response Assange was seeking to cause… (tags: wikileaks assange, cia,) Open Source community building: a guide to getting it right | VisionMobile…


From The Eponymous Pickle

Digital Lightroom

Digital Lightroom

Need to manage your photos?  A look at Digital Lightroom, among other applications for advanced image management.


From Schneier on Security

Sony PS3 Security Broken

Sony PS3 Security Broken

Sony used an ECDSA signature scheme to protect the PS3. Trouble is, they didn't pay sufficient attention to their random number generator.


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Measure 21st Century Teaching and Learning at Your School Today!

Measure 21st Century Teaching and Learning at Your School Today!

I just saw an announcement of an interesting new program from Microsoft


From The Noisy Channel

Two Changes

Two Changes

I just wanted to let regular readers know that I’ve made two changes to this blog. The first is that I’ve eliminated the use of categories on posts. I found that I was categorizing almost all posts as “general”, and that there…


From The Eponymous Pickle

Kraft Foods and Business Intelligence

Kraft Foods and Business Intelligence

An article in Consumer Goods Technology on Kraft Food's use of Business Intelligence. " ... Kraft Foods discusses its voyage toward information access and analysis, and reveals how areas like product freshness and S&OP can benefit…


From Computer Science Teachers Association

Reflections

Reflections

At the end of the year, it is customary to reflect upon what has been accomplished during the year. Since it is near that time I thought it might be a good time to reflect upon some of the things that CSTA as an organization…


From BLOG@CACM

Works in Progress: MIA

Works in Progress: MIA

It is time we extracted a sample of cultural DNA from computing's history and engineered a new generation of contemplative, informal workshops. After gestation, ideas conceived at those workshops might even find their way into…


From Wild WebMink

links for 2011-01-05

links for 2011-01-05

LibreOffice Is the Default Office Suite for Ubuntu 11.04 – Softpedia Good to see the folks at Canonical supporting LibreOffice. (tags: Ubuntu DocumentFoundation ODF LibreOffice OpenOffice.org)


From Schneier on Security

Eavesdropping on GSM Calls

Eavesdropping on GSM Calls

It's easy and cheap:

Speaking at the Chaos Computer Club (CCC) Congress in Berlin on Tuesday, a pair of researchers demonstrated a start-to-finish means of eavesdropping on encrypted GSM cellphone calls and text messages, using…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Seven Reasons to Teach Windows 7 Programming

Seven Reasons to Teach Windows 7 Programming

I had an email from Pat Yongpradit over New Year’s week end. Pat is an award winning high school computer science teacher whose students do impressive work under his guidance. Pat has been using XNA game studio in his school …


From Wild WebMink

Copyrights vs Human Rights

Copyrights vs Human Rights

My article on how human rights trump copyrights is now available in the Essays section.


From The Eponymous Pickle

Sloppy Arithmetic is Useful

Sloppy Arithmetic is Useful

In ACM:  Some surprising results regarding the value of imprecise arithmetic and chips that can calculate imprecisely.  Good article about potential applications.


From The Eponymous Pickle

Motorola Splits

Motorola Splits

The split of the 83 year old company in two pieces is seen in a number of different ways.  We worked with them in the early days of RFID and they provided some excellent technology.  Net I think better focus will result in better…


From U.S. Public Policy Committee of the ACM

ACM Washington Update Vol. 14.5 (January 2011)

ACM Washington Update Vol. 14.5 (January 2011)

CONTENTS

[1] Newsletter Highlights [2] FCC Draws Line in the Net Neutrality Sand [3] Computer Science Education Week Extends its Reach [4] USACM Vice Chair Felten Appointed as First FTC Chief Technologist [5] Web Accessibility…


From The Eponymous Pickle

Linkless Press Releases

Linkless Press Releases

Why do many press releases not include links to useful information, in particular to the release itself and the companies involved?  Has always mystified me.   Please make it as easy as possible to provide you with free marketing…


From Daniel Lemire's Blog

If human population grew at the pace of computer storage

If human population grew at the pace of computer storage

Between 1990 and 2010, the cost of one megabyte of disk storage went from $9 to $0.00015. Had the human population followed a similar growth, there would be 300 trillion people on Earth. (For simplicity, I am not taking inflation…


From Schneier on Security

Guard Towers at WalMart

Guard Towers at WalMart

This feels very creepy and police-state-like. What on earth could WalMart be worried about?


From The Eponymous Pickle

Knowledge Management in Fast Moving Industries

Knowledge Management in Fast Moving Industries

In HBR, a good article that scopes out various approaches for knowledge management.  How formal do these approaches have to be?  Or can they just observe in the background and construct knowledge via usage?  An obvious AI - Learning…


From The Eponymous Pickle

Getting Linked Data to Market

Getting Linked Data to Market

Article about this course is dated, but worth a look as to the direction of this work.  I had always seen this as the most immediately useful aspect of the semantic web:" ... Linked Data describes a method of publishing structured…


From The Computing Community Consortium Blog

IBM

IBM

While many of us were enjoying time off last week, our colleagues at IBM were busy unveiling their fifth annual “Five in Five” — a list of five technology innovations that have the potential to change the way we live, work, and…