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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

April 2010


From Putting People First

Sitra, the Finnish Innovation Fund and development partners, SRV and VVO today announce a


From Putting People First

The Middle of Moore

The Middle of Moore

Mike Kuniavsky has posted a pre-print draft of the first chapter of his new book Smart Things: Ubiquitous Computing User Experience Design (see also this earlier post). The final book, he says, will be different and this is…


From Putting People First

Natural user interfaces are not natural

Natural user interfaces are not natural

In his bimonthly column in the ACM CHI magazine, Interactions, Donald Norman argues that most gestures are neither natural nor easy to learn or remember. “Gestures lack critical clues deemed essential for successful human-computer…


From The Eponymous Pickle

Observational Models Fed to my Phone

Observational Models Fed to my Phone

There are some things that terrestrial observers can learn from astrophysics. Even if you are mostly interested in commercial applications. Its an example of how to observe data and use it for models. Most recently NASA hasa…


From My Biased Coin

Sexual Harassment Policies (Yale v. Harvard)

Sexual Harassment Policies (Yale v. Harvard)

My brother, in what I assume is a blatant attempt to be mentioned in this blog (Hi Steve!!!), sent me a link to the following article about a new rule (or, as the article describes it, "A Sad Day") at Yale, banning professors…


From Schneier on Security

Detecting Being Watched

Detecting Being Watched

This seems like science fiction to me:

The camera uses the same "red eye" effect of from camera flashes to project it hundreds of meters, allowing it to identify binoculars, sniper scopes, cameras and even human eyeballs that…


From The Eponymous Pickle

Stain Brain App Updated

Stain Brain App Updated

I see that Procter & Gamble's Stain Brain IPhone application has been updated. Recall I described here how this is an application that has evolved over a dozen years in a number of formats. It was actively delivered to consumers…


From Wild WebMink

? Copying Is Not Theft; Saying It IS Is Spin

? Copying Is Not Theft; Saying It IS Is Spin

A guide to spotting spin, with a charming little jingle.


From The Eponymous Pickle

1913 Tax Form

1913 Tax Form

Have seen this many times, but it is worth repeating, often. Mark Perry posts the US 1913 tax form, and comments: ' ... There were only four pages total including all forms and instructions, view it here. In contrast, just the…


From The Eponymous Pickle

Collapse of Complex Business Models

Collapse of Complex Business Models

I agree they should be as simple as possible, but are often patched up affairs to match the expectations of those that believe in them. Clay Shirky does make some good points along the way. Have now seen several fail miserably…


From Schneier on Security

"Protecting Europe Against Large-Scale Cyber-Attacks"

"Protecting Europe Against Large-Scale Cyber-Attacks"

Report from the House of Lords in the UK (pdf version).


From Computational Complexity

What Does It Meant to be Published?

I don't remember what prompted it but about a month ago I tweeted

Your paper might appear on Arxiv or ECCC, be widely read and even well cited. But don't think that it is in any way "published".
Suresh respondedQuestion is, isn't…


From Wild WebMink

? Time Running Out

? Time Running Out

The Digital Economy Bill second reading is tomorrow in the UK. Take action now.


From My Biased Coin

NSF Review Issues

NSF Review Issues

My understanding is that the turnaround time on NSF decisions should be approximately 6 months.  (See, for instance, their own diagram of the review process.)  So I admit to getting a bit edgy after month 7 has come and gone…


From BLOG@CACM

Errors in Database Systems, Eventual Consistency, and the CAP Theorem

Errors in Database Systems, Eventual Consistency, and the CAP Theorem

Recently, there has been considerable renewed interest in the CAP theorem for database management system (DBMS) applications that span multiple processing sites. In brief, this theorem states that there are three interesting …


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Interesting Links 5 April 2010

Interesting Links 5 April 2010

Words matter. One set of words that come up in discussion are


From The Eponymous Pickle

Predictive Analytics as a Game Changer

Predictive Analytics as a Game Changer

In Forbes, a short article about how a number of companies are using predictive analytics to change the game. I again do not consider this to be very new, we did it for many years, but new software and massive amounts of readily…


From The Eponymous Pickle

Bayesian Information Retrieval

Bayesian Information Retrieval

In the Noisy Channel: Information Retrieval using a Bayesian Model of Learning and Generalization. Well written, good piece with many instructional background links. Have long been interested in the methods of Bayesian reasoning…


From The Eponymous Pickle

Grand Unified Theory of AI

Grand Unified Theory of AI

In MIT News, quite intriguing, though I don't quite understand how it can be applied immediately to real problems I am acquainted with. ' .. A new approach unites two prevailing but often opposed strains in the history of artificial…


From The Noisy Channel

Guest Post: Information Retrieval Using a Bayesian Model of Learning and Generalization

Guest Post: Information Retrieval Using a Bayesian Model of Learning and Generalization

Dinesh Vadhia, CEO and founder of “item search” company Xyggy, has been an active member of the Noisy Community for at least a year, and it is with pleasure that I publish this guest post by him, University of Cambridge / CMU…


From BLOG@CACM

Electronic Voting Systems

Electronic Voting Systems

 What are the implications of electronic voting? Which countries are using this system? What are the advantages of using such systems? And what are the problems with normal voting systems?


From The Eponymous Pickle

Best of TDWI: Business Intelligence

Best of TDWI: Business Intelligence

Best of a number of good articles on Business Intelligence from TDWI. I have mentioned a few of these before, here they all in one piece. The download does require registration.


From The Eponymous Pickle

Videotaping the Shipment

Videotaping the Shipment

In StorefrontBackTalk: Discussion of an Amazon patent that videotapes a shipment box as it is filled and sealed. Then attaching a link to that video clip to the shipment. Aiming to reduce unwarranted product returns. See the…


From The Eponymous Pickle

Simulated Car Racing

Simulated Car Racing

From the University of Wurzburg, simulated car demolition derby using artificial intelligence controllers. Still a believer that there is value in using gaming interactions to better understand what intelligence really is and…


From Wild WebMink

No-Link-Saturday

No-Link-Saturday

Just a cartoon.


From The Eponymous Pickle

Twitter Predicting Movie Box Office

Twitter Predicting Movie Box Office

Good overview of social media prediction opportunities, based on the HP social computing lab paper: Predicting the Future with Social Media. Of course a Twitter stream could be manipulated.


From My Biased Coin

Energy Sustainability

Energy Sustainability

I spent an entertaining hour this afternoon listening to David MacKay of Cambridge (UK) give a talk about the Future of Energy here at Harvard.  I've mentioned David in this blog before.  He did a lot of early work on low density…


From Schneier on Security

Friday Squid Blogging: Squid Confit

Friday Squid Blogging: Squid Confit

Looks tasty.


From The Eponymous Pickle

Watching You Read

Watching You Read

In the NYT: Theory of Mind and brain scanning, applied to fiction. Literary scholars turn to science.-


From The Eponymous Pickle

Magnets and Minds

Magnets and Minds

From a friend. I agree this is scary. it is inevitable that as we know more about the functionality of the brain this kind of manipulation will have to be closely watched. ' ... A new study by neuroscientist Liane Young and colleagues…