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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 2015


From Gödel's Lost Letter and P=NP

Frogs and Lily Pads and Discrepancy

A breakthrough result shows the power of “almost” Cropped from Quanta Magazine source Terry Tao has done it again. In two beautiful papers with modest titles, he has evidently proved the famous Discrepancy Conjecture (DC) of…


From Gödel's Lost Letter and P=NP

Frogs and Lily Pads and Discrepancy

A breakthrough result shows the power of “almost” Cropped from Quanta Magazine source Terry Tao has done it again. In two beautiful papers with modest titles, he has evidently proved the famous Discrepancy Conjecture” (DC) of…


From Schneier on Security

Living in a Code Yellow World

Living in a Code Yellow World

In the 1980s, handgun expert Jeff Cooper invented something called the Color Code to describe what he called the "combat mind-set." Here is his summary: In White you are unprepared and unready to take lethal action. If you are…


From Putting People First

[Free eBook] Understanding the Connected Home

[Free eBook] Understanding the Connected Home

Understanding the Connected Home: Thoughts on living in tomorrow’s connected home By Peter Bihr and Michelle Thorne Berlin, September 2015 Available on GitBook We know that connectivity increasingly makes its way into our living…


From insideHPC

Out of Core Solvers on a Cluster

Out of Core Solvers on a Cluster

One of the most used algorithms in numerical simulation is the solving of large, dense matrices. Thermal analysis, boundary element methods and electromagnetic wave calculations all depend on the ability to solve these large …


From Blog@Ubiquity

Are Google and Apple About to Pivot?

Are Google and Apple About to Pivot?

The ability to pivot is a sign of agility. As technology continue to rapidly advance, how close are Google and Apple to pivoting?

The post Are Google and Apple About to Pivot? appeared first on BLOG@UBIQUITY.


From The Eponymous Pickle

Metro Group Accelerators

Metro Group Accelerators

One of the largest global retailers, Metro Group,  pushes innovation via technical accelerators." .... The METRO Techstars Accelerator moves into its hot phase: after expiry of the application phase for interested companies at…


From My Biased Coin

This Year's Andreessen-Horowitz Meeting

This Year's Andreessen-Horowitz Meeting

Andreessen Horowitz had another Academic Roundtable, which I've written about in previous years (here, here).  For me, the most exciting session was on Virtual and Augmented Reality (VR/AR).  It made me sit up and take notice…


From Putting People First

[Video] Genevieve Bell on finding the ‘why’ in a complex, data-driven world

[Video] Genevieve Bell on finding the ‘why’ in a complex, data-driven world

Our world is continuing to become more complex, more intense and more data driven. Yet counter-intuitively, this is making the human element more and more important. In an interview at Intel’s Transform IT show, Genevieve Bell…


From Putting People First

Is it time to forget Big Data and focus on real people?

Is it time to forget Big Data and focus on real people?

Big data opens up whole world of insight for designers, but only if we focus on the actual users behind the numbers, writes Maya Nix, the Marketing Content Producer for ClickTale, in this UX Magazine article. “When it comes to…


From Putting People First

Using business anthropology for strategic cost reduction

Using business anthropology for strategic cost reduction

When business anthropologists work with the C-suite of large companies, the clients or employers tend to be the chief marketing officer (for consumer research), the chief strategy officer (for strategy work anchored in an outside…


From The Female Perspective of Computer Science

Beyond the Code: A Day of Diversity and Inspiration

Beyond the Code: A Day of Diversity and Inspiration

Monday was a day of inspiration and diverse voices.  It was the second annual Beyond the Code conference in Ottawa, a labour of love for a group of volunteers mostly from Shopify.  As described on the official webpage, "Beyond…


From The Eponymous Pickle

Gaining Visual Insights

Gaining Visual Insights

A favorite topic we worked in a number of contexts for years.  In one case analyzing and reapplying advertising copy.  In another tagging consumer photos for ad applications.   This is also an area where Google has spent much…


From Computational Complexity

21st Century Problems

My youngest daughter, Molly, a high school senior talking colleges with a woman about ten years her senior. The woman remembered all her friends watching the clock so they could go home to check their emails to see if they were…


From insideHPC

LBNL to Improve Batteries with Electrolyte Genome Project

LBNL to Improve Batteries with Electrolyte Genome Project

A new breakthrough battery — one that has significantly higher energy, lasts longer, and is cheaper and safer — will likely be impossible without a new material discovery. And a new material discovery could take years, if not…


From insideHPC

Video: HPC Tools to Discover New Drugs

Video: HPC Tools to Discover New Drugs

"Intelligent Pharma is a biotechnology company dedicated to developing, commercializing and using new computational technologies for drug discovery. According to our clients' needs, we carry out customized computational chemistry…


From insideHPC

Planning for the Convergence of HPC and Big Data

Planning for the Convergence of HPC and Big Data

As an open source tool designed to navigate large amounts of data, Hadoop continues to find new uses in HPC. Managing a Hadoop cluster is different than managing an HPC cluster, however. It requires mastering some new concepts…


From insideHPC

HPC Across the Enterprise: How HPC Transforms the Corporate IT Ecosystem

HPC Across the Enterprise: How HPC Transforms the Corporate IT Ecosystem

Thomas Leung from the GE Global Research Center presented this talk at the PBS Works User Group. "The commercial world uses significant HPC resources for simulation and product design. An increasing number of HPC systems are …


From Daniel Lemire's Blog

The “consensus” is sometimes wrong

The “consensus” is sometimes wrong

Anyone who has a critical mind and who attended college long enough, knows not to trust textbooks. They are full of mistakes. Because textbooks tend to copy each other, you cannot even trust a fact that appears in multiple textbooks…


From The Eponymous Pickle

Watson Ecosystem Talk Tomorrow

Watson Ecosystem Talk Tomorrow

This is of general interest, I am attending and will post afterwards.  Join us.  This gets to the crux of what Watson really is today, and how to use it. " .... Cognitive Systems Institute Group Speaker Series call this weekMorgan…


From The Eponymous Pickle

Accenture Leverages Splunk

Accenture Leverages Splunk

Good example of how and why a major consultancy Accenture leverages Splunk.   Once again operational and real time problems and analytical results are emphasized.   Video.


From The Computing Community Consortium Blog

Cyberlearning Webinar- Revealing Knowledge Bases of Educational Research

Cyberlearning Webinar- Revealing Knowledge Bases of Educational Research

The National Science Foundation Directorate for Computer & Information Science & Engineering (CISE) is hosting a webinar on Friday, September 25, at 12:30 PM EST on Revealing knowledge bases of educational research, presented…


From The Computing Community Consortium Blog

Wanted: Graduate Research Fellowship Applications and Reviewers

Wanted: Graduate Research Fellowship Applications and Reviewers

The following is a special contribution to this blog by Tracy Kimbrel, National Science Foundation (NSF) Program Director for Computing and Communication Foundations.  The NSF-wide Graduate Research Fellowship Program (GRFP)…


From Computer Science Teachers Association

The CSTA Curriculum Committee

The CSTA Curriculum Committee

The primary purpose of the CSTA Curriculum Committee is to provide K-12 computer science teachers with access to high quality, standards-based curriculum resources. The committee has vetted several crosswalks that have been submitted…


From The Eponymous Pickle

Future of Excel in Business Intelligence

Future of Excel in Business Intelligence

Via Paulina Gibson from Investintech: " .... An interview with 27 Excel experts, where they talk about the future of Excel in Business Intelligence. ... "    Some good thoughts here.    Every enterprise uses Excel, so you can't…


From The Eponymous Pickle

Splunk Conference

Splunk Conference

Reports from the ongoing Splunk conference, describe experiences by business and its use for analytics and data visualization.  I was introduced to it a few years ago and impressed with how it could be used at a number of different…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Ethics and Computer Science

Ethics and Computer Science

How many times have we heard it said “with great power comes great responsibility.” Have you read about the scandal with Volkswagen where they used software tricks to dupe emissions tests? As my friend Jim Higgins pointed out…


From The Eponymous Pickle

Authentic Storytelling

Authentic Storytelling

An interesting blog: Everyone has a story!Christoph Trappe is a content and digital branding strategist based in the United States. He has spoken at conferences around the globe, is a member of the Internet Marketing Association's…


From The Eponymous Pickle

Lowes Innovation Lab uses VR

Lowes Innovation Lab uses VR

Increasing use of VR in innovation.   The capabilities have yet to be mainstreamed. " ... Lowe’s Innovation Labs (LIL), the innovation hub of Lowe’s Companies Inc has announced its expanding its network into Bangalore, IndiaLIL…


From insideHPC

Mateo Valero will be the first European to Receive the Seymour Cray Award

Mateo Valero will be the first European to Receive the Seymour Cray Award

Today IEEE announced that Mateo Valero from the Barcelona Supercomputing Center will be the first European researcher to receive the Seymour Cray Award. "As one of the most prestigious honors in high performance computing, the…