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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.

September 2014


From My Biased Coin

Teaching Sorting

Teaching Sorting

For many years now, while teaching the introductory Algorithms and Data Structures, I have told students that we won't be starting with (or really covering) sorting and searching, because it's boring.  While that description


From The Eponymous Pickle

End of Build it Yourself Software

End of Build it Yourself Software

In GigaOM:   This has been happening for a long time, but recent excursions through enterprise halls show this is becoming more true.   Much less is being purpose built.  Yet if you look at what is actually done, what people


From The Eponymous Pickle

Advisory System for Recipes

Advisory System for Recipes

Bon Appetit articles on the use of advisory systems to build or enhance food recipes.  Including a number of actual recipes created this way.  Are the creative?  How would creativity be built into the problem.  Still awaiting


From The Eponymous Pickle

Linkedin Retiring InMaps

Linkedin Retiring InMaps

We were exposed to this tool some time ago as a means to gain insight into corporate structure.  Now Linkedin is retiring it.  Would like to hear of cases where it was used practically by organizations, beyond simple curiosity


From Putting People First

Nudging and behavioral regulation gaining interest across Europe

Nudging and behavioral regulation gaining interest across Europe

Behavioral regulation is afoot in Europe and is drawing the interest of a growing number of OECD countries. Professor Alberto Alemanno has just posted a brief overview of what happened over the last few months: In late June,


From The Eponymous Pickle

Updating Our Address in the Galaxy

Updating Our Address in the Galaxy

I like to know my address.  GPS now provides me with one accurate location metric.  Now Nature reports on another measure: " ... Earth's new address: 'Solar System, Milky Way, Laniakea' ... Analysis of galaxies shows local supercluster


From The Eponymous Pickle

Resources for Cognitive App Development

Resources for Cognitive App Development

Have been exploring in more depth some of the detail behind IBM Watson/Cognitive.  Particularly interested in how this differs from work we did in the 90s in the field of what we then called  'expert systems', a practically oriented


From The Eponymous Pickle

Capturing Sentiment from Financial News

Capturing Sentiment from Financial News

From the ACM:   Talk on determining sentiment and prediction from text analysis in financial news.  This requires filling out a registration.  " ... Can the choice of words and tone used by the authors of financial news articles


From The Eponymous Pickle

How Retail Hacking Works: Danger at Point of Sale

How  Retail Hacking Works: Danger at Point of Sale

A very instructive piece in the Cisco Blog about how retail hacking at point of sale works, and how it can be addressed.  Must reading.   " ... With the announcement that yet another major retailer has allegedly been breached


From The Eponymous Pickle

Interview with Jim Goodnight

Interview with Jim Goodnight

An interview in Forbes with SAS data guru and founder Jim Goodnight.  Met him a number of times during their work with our enterprise, always interesting.  Some useful strategic insight.


From The Eponymous Pickle

Digital Transforming Retail

Digital Transforming Retail

How digital is transforming retail: The view from eBayDoes mobile commerce spell the end of traditional stores? In this series of short videos, Devin Wenig, the president of eBay Marketplaces, explains the impact of digitization


From Schneier on Security

Friday Squid Blogging: Book by One Squid-Obsessed Person About Another

Friday Squid Blogging: Book by One Squid-Obsessed Person About Another

Preparing the Ghost: An Essay Concerning the Giant Squid and Its First Photographer, by Matthew Gavin Frank. 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

NIST Second Privacy Engineering Workshop on September 15-16 in San Jose

The National Institute for Standards and Technology (NIST), in coordination with the International Association of Privacy Professionals (IAPP), will host the Second Privacy Engineering Workshop on September 15-16 in San Jose,


From The Eponymous Pickle

Auctioneers Join Forces

Auctioneers Join Forces

More in the auction management space.   Which has many interesting ontological implications.  " ...  Six leading regional auction houses have joined forces to launch the online bidding platform Bidsquare.com. The firms, which


From The Eponymous Pickle

McKinsey on the Next 50 Years

McKinsey on the Next 50 Years

A new collection of articles from McKinsey.   Just starting to take a look at this.  For example: " ... Management intuition for the next 50 years ... The collision of technological disruption, rapid emerging-markets growth,


From The Eponymous Pickle

Making up Identities

Making up Identities

In Wired: Thoughts on what leads people to change their identity, and the implications. " ... Sockpuppetry—using false identities for deception—is centuries old, but the advent of the web has made creating sockpuppets, and falling


From Putting People First

Defining user experience strategy

Defining user experience strategy

UX strategy isn’t the blueprint, canvas, or definition you use. UX strategy is about the conversations you have and the alignment you achieve, writes Austin Govella, Experience Director with Avanade. As you start hacking your


From The Eponymous Pickle

Human Computer Interaction: Present and Future

Human Computer Interaction: Present and Future

In Computer Now:  Very good,  extensive view of the topic. Increasingly important was we use systems in new ways. Current and future trends." ... Human-computer interaction (HCI) is a multidisciplinary research area focused on


From Schneier on Security

Security of Password Managers

Security of Password Managers

At USENIX Security this year there were two papers studying the security of password managers: David Silver, Suman Jana, and Dan Boneh, "Password Managers: Attacks and Defenses." Zhiwei Li, Warren He, Devdatta Akhawe, and Dawn


From Putting People First

Draft proceedings of EPIC 2014 conference online

Draft proceedings of EPIC 2014 conference online

The


From CERIAS Blog

What is wrong with all of you? Reflections on nude pictures, victim shaming, and cyber security

[This blog post was co-authored by Professor Samuel Liles and Spaf.]

Over the last few days we have seen a considerable flow of news and social media coverage of untended exposure of celebrity photographs (e.g., here). Many (most


From The Eponymous Pickle

A Dictionary for Text Mining

A Dictionary for Text Mining

An interesting article on the topic.  You need some sort of domain area ontology to understand what you are mining.  We built similar dictionaries for parts of an enterprise.  Not sure now practical this is for an application


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

Thoughts On The Start of School

Thoughts On The Start of School

Today is the eight day of classes for me. By and large the school year is off to a good start. The students are great. I told my students this morning that I was happy because I was spending the day with them. I don’t think they


From The Computing Community Consortium Blog

Accelerating the Big Data Innovation Ecosystem

In March 2012, the Obama Administration announced the “Big Data Research and Development Initiative.” The goal is to help solve some of the Nation’s most pressing challenges by improving our ability to extract knowledge from

      


From The Eponymous Pickle

Intel Unveils Bracelets

Intel Unveils Bracelets

New kind of wearable, the bracelet.  Intel unveils a 3G simple wearable.  Message display with a jewelry look.


From The Eponymous Pickle

Honda as a World Class Innovator

Honda as a World Class Innovator

Bob Herbold uses a recent book to show how Honda is a world class innovator.  Well and simply put.


From The Eponymous Pickle

Partnerships Between Unlikely Brands

Partnerships Between Unlikely Brands

In ClickZ.  Becoming more common.  Makes the case that the future is creating opportunities for new connections.  " ... So what's fueling these partnerships? Empowered consumers with the knowledge of the world in their pockets


From The Eponymous Pickle

Business Process Management

Business Process Management

Looking at Business process modeling.  It seems this technique is less mentioned these days, although it can be a key way to connect business decision process and analytics.  Consider its use.  Even simple applications can lead


From Computational Complexity

Favorite Theorems: Quantum Interactive Proofs

Practical quantum computing still has many hurdles to jump through, but the quantum computing model does generate great complexity questions and often surprising answers.

QIP = PSPACE by Rahul Jain, Zhengfeng Ji, Sarvagya Upadhyay


From The Eponymous Pickle

Reciprocity Advantage: Innovation and Organization

Reciprocity Advantage: Innovation and Organization

New book by my two former colleagues: The Reciprocity Advantage." ... Bob Johansen, best-selling author and Distinguished Fellow at IFTF, has partnered with innovation expert Karl Ronn to uncover what they believe will be the