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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.

April 2014


From Schneier on Security

The Youngest Security Researcher

The Youngest Security Researcher

Five-year-old finds login vulnerability in Microsoft Xbox....


From The Eponymous Pickle

Forecasting Tournaments

Forecasting Tournaments

Interesting term, similarity to predictive markets and wisdom of the crowds.  We ran some models in this space.  Government reactions to use of related methods,  by Mark J Perry


From The Eponymous Pickle

Metadata Lifecycle Models

Metadata Lifecycle Models

For some proposed research I had been asked to look at metadata lifecycle models.  Here is an interesting high level model for metadata lifecycle management.    Similar to some methods we used in enterprise.   See metadata tag


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

Interesting Links 7 April 2014

Interesting Links 7 April 2014

Spring has sprung. Well at least the last of the snow is gone. Seems like late here but it hardly matters as I’ve been busy with school anyway. Seems like last week was slow for me on the Internet at least. Not to fear though


From Computational Complexity

How free is Randomness?

Matthew Green had a great post on the topic how do you know a random number generator is working.  Gee, I just look at the sequence and see if it LOOKS random. Probably not the best idea. Actually people often found pattersn


From CERIAS Blog

Thoughts on the RSA Conference, Boycotts, and Babes

Not all of his answers went over with all of the crowd, but I think that showed he was giving some genuine answers of his own rather than trying to amuse.    Informal Connections Lots of the real business at the conference really


From The Eponymous Pickle

Google Zavers

Google Zavers

Zavers now about a year plus after launch:About Zavers by GoogleZavers is a fast and easy way to offer the right coupons to the right shoppers, and track  redemption in real time. Shoppers can find  manufacturer discounts onwebsites


From The Eponymous Pickle

IBM Watson Analytics Beta

IBM Watson Analytics Beta

I have asked about how Big Data Analytics would be connected to Watson Cognitive Computing, and this was brought to my attention:Beta - IBM Watson Analytics, Previously Project NeoDownloads and TrialsWatson Analytics beta program


From The Eponymous Pickle

Gamification for Engaging Job Candidates

Gamification for Engaging Job Candidates

In Mashable:  Hardly traditional.  We sent technical candidates 'to the board', to do things live, and that created dynamics.  But also difficult to measure.  And rarely used competitive dynamics, though all would agree that


From The Eponymous Pickle

Amazon's Magic Retail Wand

Amazon's Magic Retail Wand

Have always been impressed by Amazon's innovation work.  Now the new Amazon Dash Wand takes the effort further into physical retail.  How is it different from an App on a smartphone? See a picture and demo at the link.  Seeking


From The Eponymous Pickle

Collaborative Information Seeking

Collaborative Information Seeking

An abstract, but the challenge is interesting.  " ... Information searches based on expert-seeking technology can prove time-consuming or unsuccessful if search terms do not turn up extrinsic identifiers in profiles and saved


From The Eponymous Pickle

Statistical Challenges for Big Data

Statistical Challenges for Big Data

Covered in FlowinDdata:  Review of another article where the point is that using Big Data bears some of the same challenges that were in evidence before data got 'Big'.  So  you cannot ignore those issues, some unsolved, that


From The Eponymous Pickle

Kimberly-Clark on TV Advertising

Kimberly-Clark on TV Advertising

Kimberly-Clark CMO on the TV driven past.  " ... When it comes to digital marketing, marketers are like trapeze artists trying to grab the next bar without letting go of the last one, and the results could be embarrassing or


From The Eponymous Pickle

Alternative Machine Learning Environments

Alternative Machine Learning Environments

I am starting to examine Machine Learning Platforms for an application.  This post is mostly for my own and a few collaborators use.  Not complete or just open source.  Do not claim to be expert in any of these methods, but have


From Wild WebMink

More cautious excitement as Microsoft opens .Net

More cautious excitement as Microsoft opens .Net

Originally posted on Meshed Insights & Knowledge:The Microsoft news is coming thick and fast. A few days ago we discussed Office for iPad, Microsoft’s confession of unethical behaviour and its release of MS-DOS code under a prohibitive


From Gödel's Lost Letter and P=NP

Counting Is Sometimes Easy

Cases where we can count objects in polynomial time New Interim Dean source—our congrats Mike Sipser is one of the top theorists, especially in complexity theory, and has been Head of the Mathematics Department at MIT since 2004


From Gödel's Lost Letter and P=NP

Counting Is Sometimes Easy

Cases where we can count objects in polynomial time New Interim Dean source—our congrats Mike Sipser is one of the top theorists, especially in complexity theory, and has been Head of the Mathematics Department at MIT since 2004


From Schneier on Security

Friday Squid Blogging: Squid + Security in a Cartoon

Friday Squid Blogging: Squid + Security in a Cartoon

Funny....


From Computer Science Teachers Association

Helping Students Get a Handle on Data

A day never goes by that I don't hear some mention of data (big or otherwise) that has create problems or is being used to solve a myriad of problems. "If only we had more data on Flight 370" or "The government has too much data


From The Eponymous Pickle

LifeScribe Beta Launched

LifeScribe Beta Launched

Have always liked the idea of facilitating the process of telling stories to help people.  And capturing stories that people already have to communicate.  What is more enriching than the life stories of our friends and families


From The Eponymous Pickle

On Showing Your Work

On Showing Your Work

From Accidental Creative:   I like the thoughts.    Again showing up is a good first step."Show your work, and when the right people show up, pay close attention to them, because they'll have a lot to show you."- Austin Kleon


From The Eponymous Pickle

Internet of Retail Things

Internet of Retail Things

On an internet of retail things.  Precisely the kind of thing we researched.  Could an item tell us where it was on the shelf?  If it was in a cart or misplaced?  Where was it manufactured or tested last? Who is responsible for


From Computational Complexity

How I learn a result

There is a theorem I want to learn. How do I go about it? (How do YOU go about it?) I give an example here which also leads to  pointers to some mathematics of interest. A division of a cake between n people is PROPORTIONALhere


From The Eponymous Pickle

Wiki Management

Wiki Management

A slideshow.  And book on the concept: " ... It’s a brave, new hyper-connected world… We now live in a “wiki” world where mass collaboration is not only possible—it’s often the best solution. Conventional management thought assumes


From Schneier on Security

Mass Surveillance by Eavesdropping on Web Cookies

Mass Surveillance by Eavesdropping on Web Cookies

Interesting research: Abstract: We investigate the ability of a passive network observer to leverage third-party HTTP tracking cookies for mass surveillance. If two web pages embed the same tracker which emits a unique pseudonymous


From Daniel Lemire's Blog

Don’t study latin if you want to become a better programmer

Don’t study latin if you want to become a better programmer

I used to think that knowledge was strongly transferable. I believed that learning physics could make you a better mechanic. I believed that learning mathematics could make you a better physicist or computer scientist. After


From The Eponymous Pickle

Asimov's Future

Asimov's Future

Science fiction writer Isaac Asimov was a favorite of mine while growing up.  He got a number of things right in his futuristic predictions, others wrong.  A comparison of the two.


From My Biased Coin

Postdocs in Copenhagen

Postdocs in Copenhagen

I apologize for the short notice, but my occasional co-author Rasmus Pagh is looking for postdocs for a big data project he recently had funded, with an application deadline on April 14th. For more information, you can seethis


From The Eponymous Pickle

On Storytelling with Data

On Storytelling with Data

Good thoughts.  Telling the story beyond what actually happened.  That's good, but how do you also allow interaction and ensure objectivity?  And connect to analytic tools? My concern with a story is that it is by its nature,


From The Eponymous Pickle

Data Analytics Handbook

Data Analytics Handbook

In process, being developed by young students.    Free with registration.  " .... We're a group of UC Berkeley students and we're launching the Pt.1of our handbook series! We interviewed a group of Data Analysts and Data Scientists