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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

August 2016


From Daniel Lemire's Blog

Faster dictionary decoding with SIMD instructions

Faster dictionary decoding with SIMD instructions

A particularly fast and effective compression technique is dictionary coding. Intuitively, it works as follow. Suppose you are given a long document made of millions of words, but containing only 65536 distinct words. You can…


From The Eponymous Pickle

Talk on Understanding Cognitive Systems

Talk on Understanding Cognitive Systems

Our presenter this week was Jim Spohrer from IBM. who will presented  "Understanding Cognitive Systems.".   Worth taking a look at.   Slides here.  .... Presentation. We encourage those who join the calls to add questions and…


From The Eponymous Pickle

Emotion Analysis API

Emotion Analysis API

More companies are looking at text analysis ....AlchemyLanguage Emotion Analysis API is Generally Available, and Its Getting BetterMany in the field of Cognitive AI research and development speak of the importance of context…


From The Eponymous Pickle

Power BI Now Does Twitter Analytics

Power BI Now Does Twitter Analytics

Been looking at the analysis of twitter streams lately, new from MS Power BI.  A campaign management solution template.Microsoft Power BI BlogaAnnouncing the brand & campaign management solution template for Twitter  Justyna,…


From The Eponymous Pickle

FindFace at Large

FindFace at Large

Was reminded by the Economist: Frankenstein's Paperclips. of the rogue Russian face recognition system called FindFace. Can we expect AI from beyond our regulated world to create new dangers?  Yes, we can.  Introduction in Kaspersky…


From insideHPC

Speakers Announced for HPC User Forum in Beijing

Speakers Announced for HPC User Forum in Beijing

IDC has announced the featured speakers for the next international HPC User Forum. The event will take place Sept. 22 in Beijing, China.

The post Speakers Announced for HPC User Forum in Beijing appeared first on insideHPC.


From Schneier on Security

Confusing Security Risks with Moral Judgments

Confusing Security Risks with Moral Judgments

Interesting research that shows we exaggerate the risks of something when we find it morally objectionable. From an article about and interview with the researchers: To get at this question experimentally, Thomas and her collaborators…


From insideHPC

Report: Using HPC for Public Policy Analysis & Water Resource Management

Report: Using HPC for Public Policy Analysis & Water Resource Management

Researchers from the RAND Corporation and LLNL have joined forces to combine HPC with innovative public policy analysis to improve planning for particularly complex issues such as water resource management. By using supercomputer…


From insideHPC

Phytium from China Unveils 64-core ARM HPC Processor

Phytium from China Unveils 64-core ARM HPC Processor

This week at the Hot Chips conference, Phytium Technology from China unveiled a 64-core CPU and a related prototype computer server. "Phytium says the new CPU chip, with 64-bit arithmetic compatible with ARMv8 instructions, is…


From The Computing Community Consortium Blog

Data Hackathons: Lessons Learned & Best Practices Workshop

Data Hackathons: Lessons Learned & Best Practices Workshop

FromSeptember 11-17, 2016, data professionals and researchers from all disciplines and from across the globe will convene inDenver, Coloradofor the first ever International Data Week (IDW). Organized by the Research Data Alliance…


From insideHPC

Nor-Tech to Offer Clusters with Intel HPC Orchestrator

Nor-Tech to Offer Clusters with Intel HPC Orchestrator

Today Nor-Tech announced the imminent rollout of clusters integrated with the Intel HPC Orchestrator. HPC Orchestrator is a licensed, value-add version of OpenHPC that will be supported by Intel and Nor-Tech.

The post Nor-Tech…


From insideHPC

Machine Learning and the Intel Xeon Phi Processor

Machine Learning and the Intel Xeon Phi Processor

"The Intel Xeon Phi processor, together with tuned libraries, can accelerate the gains the ML applications promise. The second generation Intel Xeon Phi coprocessor is a multicore processor that is available as a self boot system…


From Computational Complexity

1956 Was a Fine Vintage

Bill sends me an email last week with the subject "Our field is getting old!" and talks about upcoming 60th birthday/retirement conferences he's invited to, all of which I've been invited to as well. Bill's subject line should…


From The Eponymous Pickle

Language Modeling a Billion Words

Language Modeling a Billion Words

This is a technical, but interesting, tutorial on how to use noise-contrastive estimation (NCE) to train a multi-GPU recurrent neural network language model on the Google billion words data set.


From The Eponymous Pickle

Not all Data Created Equal

Not all Data Created Equal

Interesting piece that gets to my mantra of data assets.  And combining data for additional and profitable leverage. Requires free registration.Some of the most profitable decisions are made by combining data in novel ways, but…


From The Eponymous Pickle

Macy's and Mall Intelligence

Macy's and Mall Intelligence

n CustomerThink.   Previously mentioned. 
" ... If you follow retail trends, you know that department stores are in trouble.
As shoppers have headed online and to discount stores, traditional mall department stores are struggling…


From The Eponymous Pickle

Internet IoT everywhere

Internet IoT everywhere

In ReadWrite:  Good review, nontechnical and even addressing part of the CPG space:" ... The Internet of Things is taking over the world. Well, maybe not in a literal global domination kind of way, but just about every thing…


From The Eponymous Pickle

One Click Product Placement

One Click Product Placement

When I first read this I was confused.  What does this mean?  We had studied product placement approaches since Soap Boxes in the silent era. And the general idea has existed for a long time.  But now take it further and make…


From insideHPC

Spack Tool Eases Transition to Next-Gen Scientific Simulations

Spack Tool Eases Transition to Next-Gen Scientific Simulations

"Spack is like an app store for HPC, says Todd Gamblin, its creator and lead developer. Its a bit more complicated than that, but it simplifies life for users in a similar way. Spack allows users to easily find the packages…


From Putting People First

New Human Centred Design toolkit launched for African context

New Human Centred Design toolkit launched for African context

Future by Design, a Human Centred Design (HCD) and customer-centricity consultancy focused on the African continent, has produced an HCD Toolkit (download link) thats especially appropriate for an African context, and intended…


From Putting People First

[Book] The Routledge Companion to Digital Ethnography

[Book] The Routledge Companion to Digital Ethnography

The Routledge Companion to Digital Ethnography Edited by Larissa Hjorth, Heather Horst, Anne Galloway, Genevieve Bell Routledge, December 2016 536 pages With the increase of digital and networked media in everyday life, researchers…


From insideHPC

Video: Exploring I/O Challenges at Exascale

Video: Exploring I/O Challenges at Exascale

"Clear trends in the past and current petascale systems (i.e., Jaguar and Titan) and the new generation of systems that will transition us toward exascale (i.e., Aurora and Summit) outline how concurrency and peak performance…


From insideHPC

Finalists Announced for Gordon Bell Prize in HPC

Finalists Announced for Gordon Bell Prize in HPC

"High performance computing continues to underwrite the progress of research using computational methods for the analysis and modeling of complex phenomena, said Vint Cerf and John White, ACM Award Committee co-chairs, in a …


From insideHPC

Mellanox Open New Singapore Headquarters to Strengthen HPC in Asia

Mellanox Open New Singapore Headquarters to Strengthen HPC in Asia

Today Mellanox announced the opening of its new APAC headquarters and solutions centre in Singapore. The Companys new APAC headquarters will feature a technology solution centre for showcasing the latest technologies from Mellanox…


From Schneier on Security

Interesting Internet-Based Investigative Techniques

Interesting Internet-Based Investigative Techniques

In this article, detailing the Australian and then worldwide investigation of a particularly heinous child-abuse ring, there are a lot of details of the pedophile security practices and the police investigative techniques. The…


From insideHPC

The Evolution of HPC

The Evolution of HPC

When the history of HPC is viewed in terms of technological approaches, three epochs emerge. The most recent epoch, that of co-design systems, is new and somewhat unfamiliar to many HPC practitioners. Each epoch is defined by…


From Computer Science Teacher Thoughts and Information From Alfred Thompson

Cutler-Bell Scholarship Deadline November 1 2016

Cutler-Bell Scholarship Deadline November 1 2016

Dave Cutler and Gordon Bell have funded an amazing CS competition for American high school students. Last years winners had some truly impressive projects. Do you have a student doing some out of the box thinking and building…


From Phys.org Technology News

Researchers work to predict the future of transit

Researchers work to predict the future of transit

Haris N. Koutsopoulos believes that our ability to predict the future has the potential to enable various innovations in public transit. The short-term future, that is.


From Phys.org Technology News

Refugee who made it returns with drone to halt drownings

Refugee who made it returns with drone to halt drownings

Standing on a pebbled beach on the Greek island of Lesbos, Mehdi Salehi searches for a good spot to set his drone loose.


From Phys.org Technology News

Bags don't fly free: Charges have boosted airlines' departure performances, study finds

Bags don't fly free: Charges have boosted airlines' departure performances, study finds

When most major airlines began charging flyers for checked bags in 2008, travelers grumbled. Southwest Airlinesone of the most successfully run airlines in historyeven resisted and seized a new marketing slogan "bags fly free…

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