The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.
Good essay. Worry about Ebola (or anything) manifests physically as what's known as a fight, flight, or freeze response. Biological systems ramp up or down to focus the body's resources on the threat at hand. Heart rate and blood…
Matrix Mult: The usual algorithm is O(n^3). Strassen surprised people by showing an O(n^{2.81}) algorithm. (Now its so well known that its not surprising. I try to teach it to people who don't already know its true so they'll…
One thing I hear a lot is “I have the exact same code and someone else and theirs work and mine doesn’t.” The obvious wise guy reply is “if yours doesn’t work then it is not the same.” Students are not huge fans of that reply…
This letter was published in the London Evening Standard on January 12th, 2015: I watch with alarm as, in the wake of the barbaric murders in France, politicians seek increased surveillance powers for the security services. Surveillance…
Bill Simon, former president and CEO, Walmart U.S, speaks at the NRF on e-commerce, technology and design that helps physical retail. " ... "It's pretty one dimensional," he said of the e-commerce shopping experience. "You get…
This is not new, but continues to advance. " .... The Communication Of The Future Is So Real You Can Touch It. Companies are starting to integrate Haptic Feedback into their technology. Welcome to the future you can reach out…
This is an interesting historical use of viking runes as a secret code. Yes, the page is all in Finnish. But scroll to the middle. There's a picture of the Stockholm city police register from 1536, about a married woman who was…
The next WATCH Talk is this Thursday, January 15, 12:00-1:00pm EDT. Salil Vadhan will discuss Differential Privacy: Theoretical and Practical Challenges. Dr. Salil Vadhan is the Vicky Joseph Professor of Computer Science and …
Had heard of Datafloq before, now taking a closer look. " ... Datafloq is the One-Stop Shop around Big Data. We are the number one Big Data platform connecting Data and People, connecting all stakeholders in the global Big Data…
In ClickZ: A set of useful cautions about what are really mostly very human assumptions. Which summarize well in the statement that 'More is not always better' . You don't have have bigger data or more sophisticated methods…
And all keynote speakers are American… UX STRAT Europe will take place in Amsterdam on June 4 – 5, 2015 at the Tobacco Theater in the heart of Amsterdam. The conference – which is in addition to UX STRAT USA, which will take…
Ever wondered what was going on in the data science community with relation to biomedical research? Ever wish to share your own knowledge about the field? No need to worry any longer! The National Institutes of Health (NIH) has…
A worldwide survey of writers affiliated with PEN shows a significant level of self-censoring. From the press release: The report's revelations, based on a survey of nearly 800 writers worldwide, are alarming. Concern about surveillance…
It’s the end of the semester and I’ve been crazy busy. Outside projects, grading, exam writing, and more. Time for blogging seems to be in short supply these days. Plus I haven’t had much to say probably because of all the routine…
Or said differently: “If you want to understand how animals live, you don’t go to the zoo, you go to the jungle.” Jørgen Vig Knudstorp began turning the company around by making several key moves: improving processes, cutting…
In fact this memorial to one — three days of killing in Paris over free speech and blasphemy — has been: The July Column in the Place de la Bastille in Paris – itself dedicated to the celebration of liberty after the French Revolution…
In Engadget: A connected home wrap up from last weeks CES. Not very impressive. Lots of pieces there, as we have seen over a number years, since we built our own in 2000. But effectively and safely connecting them is still…
I first heard about Hacker School last summer. I had run into my friend Lindsey Kuper at a conference in Edinburgh. She told me that she had been a resident and that I should do it too."You’ll like it," she said. "I can put you…
I just posted a note in the Linkedin Group Cognitive Systems Institute: Using Concept Maps to Deliver Cognitive System Design: One of the methods we used to develop, understand, deliver and maintain high level knowledge representation…
I’ve been privileged to travel widely, and have had conversations with educated people in several countries where Islam is the norm. On one visit to the Levant, one of my acquaintances made statements starting “Christians should…
In GigaOM: Well put overview of a survey. Some expected things, others now. I mostly agree with their statement that: " ... It’s hard to disagree that new technologies can re-arrange industries and create new markets. But…
In CPG Matters, new and interesting updates on the onrush of digital enterprise and implications for CPG:6 ways CPG companies can adaptThe consumer packaged goods landscape has become complex, and having channel and digital…
In the CACM: In particular the issue of evolving standards and protocols is becoming important. A good overview of the groups and participants forming.
A supply chain background piece. With lots of instructive pictures and data. How container ships are changing world supply chains. And about the largest container ship in the world. Larger is better, as evidenced by our own…
On the reasons for the re-emergence of AI as cognitive computing. In the Economist:" ... Cognitive computing is AI redux. Researchers took the successful bits of AI, such as machine learning, natural language processing and…
Via Brian Moon or Perigean Technologies, who writes on making sense of knowledge via methods like concept mapping. Good piece at link.Abductive Thinking and Sensemaking: The Drivers of Design Synthesis by Jon KolkoOverview:Designers…
Cmap is the best known general concept mapping tool, which we tested in the enterprise. Previously noted about this in test last year. See previous posts here about concept mapping." ... CmapTools for iPad now available for…
In KDNuggets: An overview of the Watson ecosystem from a recent presentation. Examples in healthcare and education.
This just in: the threat of being eaten doesn't deter dumpling squid from having sex. As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered....