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Four short links: 4 August 2014

By Nat Torkington
August 4, 2014

EtherCalc — open source web-based spreadsheet. Dynamics of Correlated Novelties (Nature) — paper on “the adjacent possible”. Here we propose a simple mathematical model that mimics the process of exploring a physical, biological, or conceptual space that enlarges whenever a …

Four short links: 4 August 2014

By Nat Torkington
August 4, 2014

EtherCalc — open source web-based spreadsheet. Dynamics of Correlated Novelties (Nature) — paper on “the adjacent possible”. Here we propose a simple mathematical model that mimics the process of exploring a physical, biological, or conceptual space that enlarges whenever a …

Four short links: 4 August 2014

By Nat Torkington
August 4, 2014

EtherCalc — open source web-based spreadsheet. Dynamics of Correlated Novelties (Nature) — paper on “the adjacent possible”. Here we propose a simple mathematical model that mimics the process of exploring a physical, biological, or conceptual space that enlarges whenever a …

Four short links: 1 August 2014

By Nat Torkington
August 1, 2014

Miso — Dataset, a JavaScript client-side data management and transformation library, Storyboard, a state and flow-control management library & d3.chart, a framework for creating reusable charts with d3.js. Open source designed to expedite the creation of high-quality interactive storytelling and …

Four short links: 1 August 2014

By Nat Torkington
August 1, 2014

Miso — Dataset, a JavaScript client-side data management and transformation library, Storyboard, a state and flow-control management library & d3.chart, a framework for creating reusable charts with d3.js. Open source designed to expedite the creation of high-quality interactive storytelling and …

Four short links: 1 August 2014

By Nat Torkington
August 1, 2014

Miso — Dataset, a JavaScript client-side data management and transformation library, Storyboard, a state and flow-control management library & d3.chart, a framework for creating reusable charts with d3.js. Open source designed to expedite the creation of high-quality interactive storytelling and …

Four short links: 29 July 2014

By Nat Torkington
July 29, 2014

Online Community Detection for Large Complex Networks (PLosONE) — readable recount of earlier algorithms and inventions in the area, as well as a new algorithm with linear time complexity for large complex networks. sel4 — open source OS kernel (GPLv2, …

Four short links: 29 July 2014

By Nat Torkington
July 29, 2014

Online Community Detection for Large Complex Networks (PLosONE) — readable recount of earlier algorithms and inventions in the area, as well as a new algorithm with linear time complexity for large complex networks. sel4 — open source OS kernel (GPLv2, …

Four short links: 29 July 2014

By Nat Torkington
July 29, 2014

Online Community Detection for Large Complex Networks (PLosONE) — readable recount of earlier algorithms and inventions in the area, as well as a new algorithm with linear time complexity for large complex networks. sel4 — open source OS kernel (GPLv2, …

Four short links: 1 July 2014

By Nat Torkington
July 1, 2014

word2vec — This tool provides an efficient implementation of the continuous bag-of-words and skip-gram architectures for computing vector representations of words. These representations can be subsequently used in many natural language processing applications and for further research. From Google Research …

Four short links: 1 July 2014

By Nat Torkington
July 1, 2014

word2vec — This tool provides an efficient implementation of the continuous bag-of-words and skip-gram architectures for computing vector representations of words. These representations can be subsequently used in many natural language processing applications and for further research. From Google Research …

Four short links: 1 July 2014

By Nat Torkington
July 1, 2014

word2vec — This tool provides an efficient implementation of the continuous bag-of-words and skip-gram architectures for computing vector representations of words. These representations can be subsequently used in many natural language processing applications and for further research. From Google Research …

Four short links: 21 February 2014

By Nat Torkington
February 21, 2014

Mapping Twitter Topic Networks (Pew Internet) — Conversations on Twitter create networks with identifiable contours as people reply to and mention one another in their tweets. These conversational structures differ, depending on the subject and the people driving the conversation. …

New Advanced Java Course Covers Algorithms and Data Structures

By gheineman
February 11, 2014

Computer science is commonly described as the scientific and practical approach to computation and its applications, and it depends on a solid working knowledge of data structures and applications. Many Computer Scientists were drawn to the field because they were introduced to algorithms early in their education or professional development. Too often, however, the texts …

The post New Advanced Java Course Covers Algorithms and Data Structures appeared first on O'Reilly School of Technology.

Four short links: 27 January 2014

By Nat Torkington
January 27, 2014

Druid — open source clustered data store (not key-value store) for real-time exploratory analytics on large datasets. It’s Time to Engineer Some Filter Failure (Jon Udell) — Our filters have become so successful that we fail to notice: We don’t …

Four short links: 15 January 2014

By Nat Torkington
January 15, 2014

Hackers Gain ‘Full Control’ of Critical SCADA Systems (IT News) — The vulnerabilities were discovered by Russian researchers who over the last year probed popular and high-end ICS and supervisory control and data acquisition (SCADA) systems used to control everything …

Four short links: 26 December 2013

By Nat Torkington
December 26, 2013

Nest Protect Teardown (Sparkfun) — initial teardown of another piece of domestic industrial Internet. Logs — The distributed log can be seen as the data structure which models the problem of consensus. Not kidding when he calls it “real-time data’s …

Four short links: 22 November 2013

By Nat Torkington
November 21, 2013

Google Educator MOOCs — online courses for teachers who use Google in their classrooms. Algorithms and Accountability — Thus, the appearance of an autocompletion suggestion during the search process might make people decide to search for this suggestion although they …

Feedback Controllers

By Philipp Janert
October 29, 2013

In the previous parts of this series (Part 1, Part 2, Part 3, and Part 4), we introduced feedback as a design principle or paradigm, that can help to keep systems “on track”, even in the presence of uncertainty and …

Four short links: 14 August 2013

By Nat Torkington
August 12, 2013

bookcision — bookmarklet to download your Kindle highlights. (via Nelson Minar) Algorithm for a Perfectly Balanced Photo Gallery — remember this when it comes time to lay out your 2013 “Happy Holidays!” card. Long Stories (Fast Company Labs) — Our …

Four short links: 2 August 2013

By Nat Torkington
August 1, 2013

Unhappy Truckers and Other Algorithmic Problems — Even the insides of vans are subjected to a kind of routing algorithm; the next time you get a package, look for a three-letter letter code, like “RDL.” That means “rear door left,” …

Open Source In The Classroom

By Jon Roberts
July 25, 2013

To teach computer programming to a young person with no experience, you must imagine what it’s like to know nothing about languages, algorithms, data structures, design patterns, object orientation, development tools, etc. Yet the kids I’ve seen in high school …

Python’s New-Style Inheritance Algorithm

By Mark Lutz
July 9, 2013

This article takes a brief look at the inheritance search mechanism in the Python programming language. Like some other aspects of Python today, this mechanism varies per line: inheritance has grown much more convoluted in 3.X, though 2.X users still …

Four short links: 4 June 2013

By Nat Torkington
June 4, 2013

WeevilScout — browser app that turns your browser into a worker for distributed computation tasks. See the poster (PDF). (via Ben Lorica) sregex (Github) — A non-backtracking regex engine library for large data streams. See also slide notes from a …

Simpler workflow tools enable the rapid deployment of models

By Ben Lorica
April 21, 2013

Data science often depends on data pipelines, that involve acquiring, transforming, and loading data. (If you’re fortunate most of the data you need is already in usable form.) Data needs to be assembled and wrangled, before it can be visualized …

Four short links: 8 March 2013

By Nat Torkington
March 8, 2013

mlcomp — a free website for objectively comparing machine learning programs across various datasets for multiple problem domains. Printing Code: Programming and the Visual Arts (Vimeo) — Rune Madsen’s talk from Heroku’s Waza. (via Andrew Odewahn) What Data Brokers Know …

Four short links: 11 January 2013

By Nat Torkington
January 11, 2013

How to Redesign Your App Without Pissing Everybody Off (Anil Dash) — the basic straightforward stuff that gets your users on-side. Anil’s making a career out of being an adult. Clockwork Raven (Twitter) — open source project to send data …

Four short links: 17 October 2012

By Nat Torkington
October 17, 2012

Beyond Goods and Services: The Unmeasured Rise of the Data-Driven Economy — excellent points about data as neither good nor service, and how data use goes unmeasured by economists and thus doesn’t influence policy. According to statistics from the Bureau …

Four short links: 16 October 2012

By Nat Torkington
October 16, 2012

cir.ca — news app for iPhone, which lets you track updates and further news on a given story. (via Andy Baio) DataWrangler (Stanford) — an interactive tool for data cleaning and transformation. Spend less time formatting and more time analyzing …

Four short links: 8 October 2012

By Nat Torkington
October 8, 2012

Beware the Drones (Washington Times) — the temptation to send difficult to detect, unmanned aircraft into foreign airspace with perceived impunity means policymakers will naturally incline towards aggressive use of drones and hyperactive interventionism, leading us to a future that …

Wall Street’s robots are not out to get you

By Renee DiResta
August 17, 2012

Technology is critical to today’s financial markets. It’s also surprisingly controversial. In most industries, increasing technological involvement is progress, not a problem. And yet, people who believe that computers should drive cars suddenly become Luddites when they talk about computers …

Can Future Advisor be the self-driving car for financial advice?

Can Future Advisor be the self-driving car for financial advice?
By Alex Howard
June 4, 2012

Given the turmoil in financial markets and uncertainty abroad, good financial advice has never been more valuable. Startup Future Advisor looks to democratize personalized financial advice using the Internet, data and algorithms.

Can Future Advisor be the self-driving car for financial advice?

By Alex Howard
June 4, 2012

Given the turmoil in financial markets and uncertainty abroad, good financial advice has never been more valuable. Startup Future Advisor looks to democratize personalized financial advice using the Internet, data and algorithms.

Four short links: 21 May 2012

By Nat Torkington
May 21, 2012

Objectivist C -- very clever. In Objectivist-C, each program is free to acquire as many resources as it can, without interference from the operating system. (via Tim O'Reilly) Zynga and Facebook Stock Oddities (The Atlantic) -- signs of robotrading, a reminder that we're surrounded by algorithms and only notice them when they go awry. The Final ROFLcon and Mobile's...

Four short links: 2 May 2012

By Nat Torkington
May 2, 2012

Punting on SxSW (Brad Feld) -- I came across this old post and thought: if you can make money by being a dick, or make money by being a caring family person, why would you choose to be a dick? As far as I can tell, being a dick is optional. Brogrammers, take note. Be more like Brad Feld,...

Unstructured data is worth the effort when you've got the right tools

By Suzanne Axtell
February 7, 2012

Alyona Medelyan and Anna Divoli are inventing tools to help companies contend with vast quantities of fuzzy data. They discuss their work and what lies ahead for big data in this interview.

Unstructured data is worth the effort when you've got the right tools

By Suzanne Axtell
February 7, 2012

Alyona Medelyan and Anna Divoli are inventing tools to help companies contend with vast quantities of fuzzy data. They discuss their work and what lies ahead for big data in this interview.

Four short links: 25 July 2011

By Nat Torkington
July 25, 2011

Anonymity in Bitcoin -- TL;DR: Bitcoin is not inherently anonymous. It may be possible to conduct transactions is such a way so as to obscure your identity, but, in many cases, users and their transactions can be identified. We have performed an analysis of anonymity in the Bitcoin system and published our results in a preprint on arXiv. (via...

Four short links: 13 July 2011

By Nat Torkington
July 13, 2011

Freebase in Node.js (github) -- handy library for interacting with Freebase from node code. (via Rob McKinnon) Formalize -- CSS library to provide a standard style for form elements. (via Emma Jane Hogbin) Suggesting More Friends Using the Implicit Social Graph (PDF) -- Google paper on the algorithm behind Friend Suggest. Related: Katango. (via Big Data) Dyslexia -- a...

Four short links: 13 May 2011

By Nat Torkington
May 13, 2011

Mathematical Intimidation: Driven by the Data (PDF) -- excellent article from Notices of the American Mathematical Society about the flaws in "value-added modelling", the latest fad whereby data about students' results in different classes are analysed to identify the effect of each teacher. People recognize that tests are an imperfect measure of educational success, but when sophisticated mathematics is...

Trading on sentiment

Trading on sentiment
By Ciara Byrne
May 4, 2011

Sorting through thousands of news stories and categorizing information based on mood and tone creates useful data points for financial systems.

Strata Week: Overcharging algorithms

Strata Week: Overcharging algorithms
By Audrey Watters
April 28, 2011

In this Strata Week: Algorithm pricing on Amazon pushes the price of a biology book to astronomical levels, Yahoo weighs the future of Hadoop, and the Supreme Court hears arguments about a Vermont law restricting the data mining of prescription records.

Four short links: 12 April 2011

By Nat Torkington
April 12, 2011

The Email Game -- game mechanics to get you answering email more efficiently. Can't wait to hear that conversation with corporate IT. "You want us to install what on the Exchange server?" (via Demo Day Wrapup) Stratified B-trees and versioning dictionaries -- A classic versioned data structure in storage and computer science is the copy-on-write (CoW) B-tree -- it...

In the future we'll be talking, not typing

In the future we'll be talking, not typing
By Jenn Webb
March 23, 2011

Stephan Spencer, co-author of "The Art of SEO," says searching the Internet of the future will be like talking to a human being.

Smarter search looks for influence rather than links

By Jenn Webb
March 2, 2011

A search algorithm being developed by Princeton University researchers parses language to determine relevance. Academic application is one possibility, but this type of algorithm could also extend to news recommendations.

Smarter search looks for influence rather than links

By Jenn Webb
March 2, 2011

A search algorithm being developed by Princeton University researchers parses language to determine relevance. Academic application is one possibility, but this type of algorithm could also extend to news recommendations.

Four short links: 26 January 2011

By Nat Torkington
January 26, 2011

Find Communities -- algorithm for uncovering communities in networks of millions of nodes, for producing identifiable subgroups as in LinkedIn InMaps. (via Matt Biddulph's Delicious links) Seven Ways to Think Like The Web (Jon Udell) -- seven principles that will head off a lot of mistakes. They should be seared into the minds of anyone working in the web....

Four short links: 16 December 2010

By Nat Torkington
December 16, 2010

On Compressing Social Networks (PDF) -- paper looking at the theory and practice of compressing social network graphs. Our main innovation here is to come up with a quick and useful method for generating an ordering on the social network nodes so that nodes with lots of common neighbors are near each other in the ordering, a property which...

Four short links: 7 December 2010

By Nat Torkington
December 7, 2010

Synopsis Data Structures for Massive Data Sets (PDF) -- survey of data structures that reduce the problem space when dealing with large data sets. (via Pete Warden) Optimism -- you build what you're thinking of. Time to figure out the optimistic future and build that. "Work as if you lived in the early days of a better nation.” --attributed...

Four short links: 30 November 2010

By Nat Torkington
November 30, 2010

libgit2 -- a linkable git library. Ruby and Python bindings. Open Data: How Not to Cock It Up -- Tom Steinberg lays it out. Algorithm and Crowd are Not Enough -- My point isn’t that Google, Netflix, Amazon, Yelp or any of the others are doomed. But I do think there’s an opportunity brewing for entrepreneurs, websites and companies...


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