Posts

March 11, 2013

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7:49 AM | Exporting Your Facebook Social Network To GDF: Part 1

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March 09, 2013

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8:14 PM | GDF: A CSV Like Format For Graphs

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March 07, 2013

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3:23 PM | Maximizing Acceptance Probability for Active Friending in On-Line Social Networks (De-Nian Yang, Hui-Ju Hung, Wang-Chien Lee, Wei Chen)

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March 06, 2013

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3:39 PM | Social Resilience in Online Communities: The Autopsy of Friendster (David Garcia, Pavlin Mavrodiev, Frank Schweitzer)

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March 05, 2013

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3:11 PM | Brendan O'Connor: How to Get Started with Text Analysis

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March 04, 2013

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6:51 PM | Distributed control of uncertain systems using superpositions of linear operators – Likelihood calculus paper series review part 3

The third (and final, at the moment) paper in the likelihood calculus series from Dr. Terrence Sanger is Distributed control of uncertain systems using superpositions of linear operators. Carrying the torch for the series right along, here Dr. Sanger continues investigating the development of an effective, general method of controlling systems operating under uncertainty. This [...]

Sanger, T. (2011). Distributed Control of Uncertain Systems Using Superpositions of Linear Operators, Neural Computation, 23 (8) 1911-1934. DOI: 10.1162/NECO_a_00151

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6:25 PM | Data Science Talk in Vancouver (March 2013)

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3:41 PM | We Love Open Data: Vancouver Open Data

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1:38 AM | Predicting Gender On Twitter

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March 02, 2013

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8:11 PM | Gender as a Fraud Predictor

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February 28, 2013

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7:38 PM | Gram-Schmidt orthogonalization

The context here is that we have some desired vector that we want to build out of a set of basis vectors through weighted summation. The case where this is easiest is when all of our vectors are orthogonal with respect to each other. Recalling that a dot product of two vectors gives us a [...]

February 22, 2013

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1:55 AM | Neuro-mechanical control using differential stochastic operators – Likelihood calculus paper series review part 2

The second paper put out by Dr. Terence Sanger in the likelihood calculus paper series is Neuro-mechanical control using differential stochastic operators. Building on the probabalistic representation of systems through differential stochastic operators presented in the last paper (Controlling variability, which I review here) Dr. Sanger starts exploring how one could effect control over a [...]

Sanger TD (2010). Neuro-mechanical control using differential stochastic operators., Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 2010 4494-7. PMID: 21095779

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February 17, 2013

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5:46 PM | Using Google Street View textures via CORS

Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. This allows to load cross-domain images into WebGL textures.Using several inspiration from @peter_nitsch and Nobel Joergensen demos and built with code from @thespite's Google Street View Panorama library, and three.js this is a WebGL Street View demowith and without an ASCII filter implemented via fragment […]

February 15, 2013

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5:41 AM | Hello World!

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12:40 AM | My spring-themed JS1k submission

Impressionist Flowering Trees

February 14, 2013

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10:12 PM | The Human Brain Project

This past week a new interesting project about the human brain was approved by the European Commission. This project has been selected with an european flagship FET (Future and emerging technologies) which means it’s set to receive a billion euros and also to be funded as FET “flagships” over 10 years through its research and innovation [...]

February 13, 2013

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5:26 PM | eol2commas

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5:13 PM | Exact Aesthetics Practically (cool presentation about computer art)

by Tomáš Staudek

February 12, 2013

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8:51 PM | Online Goal Babbling – motor learning paper review

Recently I was linked to an article about learning how to control a highly complex arm from scratch: How infants tell us how to control the Bionic Handling Assistant. The work seemed very interesting so I went and pulled one of the papers linked in the article, Online Goal Babbling for rapid bootstrapping of inverse [...]

Rolf, Matthias. (2011). Online Goal Babbling for rapid bootstrapping of inverse models in high dimensions., Development and Learning (ICDL), 2011 IEEE, DOI: 10.1109/DEVLRN.2011.6037368

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January 27, 2013

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7:25 PM | The tale of the boy who saw without eyes

I don’t know if you have already heard about the human echolocation phenomenom. For those of you who haven’t, this post’s title probably has left you a bit astonished, but human echolocation in an ability that has been known for at least the 1950s. We could say that human echolocation its a process similar, in [...]

January 18, 2013

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7:52 AM | New Facebook Graph Search

Facebook presented a new Graph Search API now in private Beta and only for US (as it seems to)Playing a bit with the demo seems to do not be a demo at all and just a fixed query:https://www.facebook.com/ajax/browse/example_query.phpParameters:encoded_query[function][function_name] => residentsencoded_query[function][params][0] => 114952118516947 (city id)encoded_query[grammar_version] => 0a2531f2cef70597cc31cd94287819c5e3205ded (hash)text => People who live in San […]

January 14, 2013

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11:54 AM | Perceptual Hashing

Perceptual hash functions are designated hash functions for multimedia contents. Similar to cryptographic hash functions, they are required to generate different hash values for different inputs. However, here the definition of difference is changed from bitwise difference to perceptual difference. In other words, cryptographic hash functions generate a totally different hash value even if the input is changed by a single bit, while robust hash functions are expected to change the hash value […]

January 10, 2013

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3:11 AM | VM's for vulnerability exploitation and training

NebulaNebula covers a variety of simple and intermediate challenges that cover Linux privilege escalation, common scripting language issues, and file system race conditions.Nebula is an ideal place to get started for people new to Linux exploitation.ProtostarProtostar introduces basic memory corruption issues such as buffer overflows, format strings and heap exploitation under "old-style" Linux system that does not have any form of modern exploit mitigiation systems enabled.Protostar is the […]

January 09, 2013

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6:09 PM | Controlling variability – Likelihood calculus paper series review part 1

Dr. Terry Sanger has a series of papers that have come out in the last few years describing what he has named ‘likelihood calculus’. The goal of these papers is to develop a ‘a theory of optimal control for variable, uncertain, and noisy systems that nevertheless accomplish real-world tasks reliably.’ The idea being that successful [...]

Sanger TD (2010). Controlling variability., Journal of motor behavior, 42 (6) 401-7. PMID: 21184358

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January 07, 2013

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8:38 PM | Dynamic primitives of motor behavior – paper review

‘Dynamic primitives of motor behavior’ is a recent paper (2012) out by Neville Hogan and Dagmar Sternad. This paper starts out professing the need for a theory of motor control that extends beyond a single task and situation, something near and dear to my heart. As they state, one of the problems with developing an [...]

Hogan N & Sternad D (2012). Dynamic primitives of motor behavior., Biological cybernetics, 106 (11-12) 727-39. PMID: 23124919

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5:06 PM | 2013 Decalogue by Eduard Punset

Eduard Punset is a multidisciplinary researcher well know in Spain because since 1996 he has directed and presented “Redes” a scientific Tv program based around interviews with leading scientists.He is also professor of science, technology and society at the Faculty of Economics of the Chemical Institute of Sarrià. I wanted to translate, his new year’s [...]

December 25, 2012

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5:40 PM | Dr. Marvin Minsky: Building Intelligent Machines

Most of you, have probably heard about Dr. Marvin Minsky , one of the most influential authorities inside Cognitive Science. Co-founder of the Massachusetts Institute of Technologies AI laboratory. In my opinion, he is one of the most intelligent thinker I have ever heard. This is a talk in 2009 in which Marvin Minsky tries to explain [...]

December 19, 2012

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1:23 PM | NLP-relevant journals sorted by 2011 impact

.Journal2011 5y Impact2011 impactWebsite.Trends in Cogn Sci14.85712.586http://www.cell.com/trends/cognitive-sciences.Cognition4.163.162http://www.elsevier.com/wps/find/journaldescription.cws_home/505626/description.J Memory and Language4.1692.733http://www.elsevier.com/wps/find/journaldescription.cws_home/622888/description.J ML Res4.042.561http://www.jmlr.org/.Social Networks3.4792.931http://www.journals.elsevier.com/social-networks/.Information […]

December 16, 2012

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12:05 AM | Generating word trees with wordtree.js

A word tree is a visual search tool for unstructured text, such as a book, article, speech or poem. It lets you pick a word or phrase and shows you all the different contexts in which the word or phrase appears. The contexts are arranged in a tree-like branching structure to reveal recurrent themes and phrases.by silverasm(GitHub src)

December 13, 2012

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6:37 PM | JavaScript: Your new overlord

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March 11, 2013

March 09, 2013

March 07, 2013

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March 04, 2013

March 02, 2013

February 28, 2013

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February 15, 2013

February 14, 2013

February 13, 2013

February 12, 2013

January 27, 2013

January 18, 2013

January 14, 2013

January 10, 2013

January 09, 2013

January 07, 2013

December 25, 2012

December 19, 2012

December 16, 2012

December 13, 2012

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