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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 2015


From Schneier on Security

US Law Enforcement Also Conducting Mass Telephone Surveillance

US Law Enforcement Also Conducting Mass Telephone Surveillance

Late last year, in a criminal case involving export violations, the US government disclosed a mysterious database of telephone call records that it had queried in the case. The defendant argued that the database was the NSA's


From The Eponymous Pickle

Unilever Shares Selfies

Unilever Shares Selfies

In Internet Retailer: Another example of shoppers using their phones to explore the marketing space.   It is much done already, but how are the results managed, explored, evaluated?   See also Storeflix, which is more B to B,


From The Eponymous Pickle

AI Arrives, Worries People

AI Arrives, Worries People

In Wired, discussing an arrival of AI and how it worries people.  I remember that this was warned of  in the late 80s as well.   Now we have marched down the road some distance, but we are still not at the general intelligence


From BLOG@CACM

Rising Enrollment Might Capsize Retention and Diversity Efforts

Rising Enrollment Might Capsize Retention and Diversity Efforts

Rapid increase of enrollment in CS classes in the US might undermine efforts to improve diversity.


From The Female Perspective of Computer Science

A Comic About Grace Hopper

A Comic About Grace Hopper

Ramya from Udemy shared a neat little comic with me about Grace Hopper, and said I could share it here.  You can look at the comic on their website, too, where you can also order a Grace Hopper sticker if you live in the US. 


From The Eponymous Pickle

Emotional Ads more Impactful in Wealthier Nations

Emotional Ads more Impactful in Wealthier Nations

Perhaps Obvious.  But have never seen a study attempting to quantify it.  In Research Live Magazine." ... A paper published in the Journal of Advertising Research, How to Advertise and Build Brand Knowledge Globally: Comparing


From Computational Complexity

The two defintions of Chomsky Normal Form

I have eight  textbooks on Formal Lang Theory on my desk.  Six of them define a CFG to be in Chomsky Normal Form if every production is of the form either A-->BC or A--> σ (σ a single letter). With that definition one can show


From The Eponymous Pickle

Gesture Sensing Armband

Gesture Sensing Armband

In Engadget:    Have been looking at applications of gestural interfaces to analytics  " ....  Muscle-sensing Myo gesture armband will be on Amazon this quarter ... For those who aren't already familiar with the Myo, it consists


From The Eponymous Pickle

Kroger Digital Strategy to Save Customers Time and Money

Kroger Digital Strategy to Save Customers Time and Money

More on Kroger Digital Strategy.    " ... Kroger keeps studying online shopping because 60 percent of all consumers consider trips to the grocery store their least favorite chore. Matt Thompson, Kroger's director of digital and


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

Interesting Links 19 January 2015

Interesting Links 19 January 2015

School is out today in honor of Martin Luther King Jr Day. Semester exams start tomorrow. I think I’m ready. I hope my students are ready.  I do have a couple of interesting links to share today. Hope you find them useful.

Logo


From Putting People First

The agency is dead. Long live the agency.

The agency is dead. Long live the agency.

The traditional agency model is physically more than alive on a small scale, but mentally has been stagnating, writes Tobias van Schneider, Product Design Lead at Spotify NYC: Agencies are now tasked to find their own voice,


From Putting People First

In the age of the Internet of Things, all products are software products

In the age of the Internet of Things, all products are software products

Esko Kilpi, the principal of Esko Kilpi Ltd, a leading research and consultancy firm focusing on the art of interaction, science of social complexity and the design of digital work, writes about how the value of a product is


From Putting People First

Behavioural Economics and Health: Nudging Toward a Culture of Wellness

Behavioural Economics and Health: Nudging Toward a Culture of Wellness

Behavioural Economics and Health: Nudging Toward a Culture of Wellness Report by David Verbeeten The Conference Board of Canada, 52 pages, January 15, 2015 This report explores “nudging,” a new, cost-effective policy tool than


From The Eponymous Pickle

Structural Data Objects

Structural Data Objects

Interesting piece.   I recall working on something like this for the construction of a competitive analysis database.    Though it was not called a structural data object.   Maintenance of an unexpectedly varying structure became


From ACM-W supporting, celebrating and advocating for Women in Computing

January (web)

Welcome from the ACM-W Chair

Welcome to the January 2015 issue of ACM-W Connections. It has been a year since we first introduced Connections and I want to once again think the wonderful volunteers who make it happen every month


From The Eponymous Pickle

Science and Art of Segmentation

Science and Art of Segmentation

A favorite topic.  Segmentation.  Classically a large amount of analytical effort in CPG  has been put into this topic. Is it science or art?   It is, both I agree.  But the specifics of this art and how it interacts with design


From The Eponymous Pickle

Patterns in Traffic Flow

Patterns in Traffic Flow

Interesting piece in the BBC on the hidden ways of traffic flows.   A favorite topic.  In paricular how groups of entities act and interact.  Here it is more about transportation flows.  We also worked the problem, but in retail


From The Eponymous Pickle

Semiconductor Opportunities in the Internet of Things

Semiconductor Opportunities in the Internet of Things

Very good piece from McKinsey.  Lots of opportunity here in the semicondictor industry.   " ... The data amassed from these devices can then be analyzed to optimize products, services, and operations. Perhaps one of the earliest


From Putting People First

[Book] Inventing the Muslim Cool

[Book] Inventing the Muslim Cool

At Experientia we believe in the importance of understanding cultural differences, no matter how wide they might be. There is not much qualitative research, it seems, that aims at understanding the lived experience of Muslim


From The Eponymous Pickle

Stand Alone Loyalty Systems

Stand Alone Loyalty Systems

Can Loyalty Marketing fulfill its promise? Good examination of the topic.  Ultimately it can achieve its promise through the natural integration of its data with other data resources.Without that it remains simplistic.


From Schneier on Security

New NSA Documents on Offensive Cyberoperations

New NSA Documents on Offensive Cyberoperations

Appelbaum, Poitras and others have another NSA aticle with an enormous Snowden document dump on Der Spiegel, giving details on a variety of offensive NSA cyberoperations to infiltrate and exploit networks around the world. There's


From Putting People First

Texting is family glue for the 21st century

Texting is family glue for the 21st century

Recent research from the University of Kansas looks at the way technological advancements influence interpersonal communication, with a focus on familial relationships. The study tested whether the number of media used by families


From The Eponymous Pickle

Creating Cognitive Applications with the Watson API

Creating Cognitive Applications with the Watson API

Creating Cognitive Applications Powered by IBM Watson: Getting started with the APIby Kevin Haverlock, Sridhar Sudarsan" ... Cognitive computing systems are built to learn from how they are used and adapt to their processing.


From The Eponymous Pickle

Only Data Science Skill you Need

Only Data Science Skill you Need

In Data Science Central.  A simplistic view.  But true in a sense that it is the most important skill you should have.  Being able to come to understand and solve real business problems.  Yet it is also efficient to have specialists


From The Eponymous Pickle

Microsoft Shuts Down Silicon Valley Research Lab

Microsoft Shuts Down Silicon Valley Research Lab

(In September) Unfortunate to hear, visited a number of times.  Is it because they feel they don't need a physical place to do research, or are they breaking it down into regional locations?  Reminds me of our ongoing argument


From The Eponymous Pickle

Power of Dark Data

Power of Dark Data

A favorite topic.  Though I see my definition is broader.  It is data that is not used.  Maybe that is not accessible, but even that we do not know about.   The Big Data solution proposed is often  Store it all! But that creates


From The Eponymous Pickle

Distributed Information Processing

Distributed Information Processing

A lengthy article that gives cues to how we can use biological models for computation.  Video."... Biological systems, ranging from the molecular to the cellular to the organism level, are distributed and in most cases operate


From Schneier on Security

Friday Squid Blogging: "Squid Jiggin' Ground"

Friday Squid Blogging: "Squid Jiggin' Ground"

Classic song written by Arthur Scammell and performed by Hank Snow. As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered....


From U.S. Public Policy Committee of the ACM

Administration Includes Computing Initiatives In State of The Union Preview

This week the Obama Administration has been previewing some of the topics the President will cover in his State of the Union address.  That speech will take place next Tuesday, January 20, at 9 p.m. Eastern.  (If you watch the


From The Eponymous Pickle

Continuous POV Cameras For Compliance

Continuous POV Cameras For Compliance

It has been called lifelogging, a means to record continuous clips of point-of-view images as you work or play.  It was suggested and tested for easily gathering information about in-store conditions.  The Narrative-2 is a recent