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K-means is a classical clustering algorithm.. Here you have a C++ code for K-means clustering . (Edit: 12/05/013) See also my more rece...
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Wikipedia describes the pseudo-code for computing the nearest neighbour (nn) on an already built KDtree. Here you have a boost implementatio...
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Adaboost is one of my favorite Machine Learning algorithm. The idea is quite intriguing: You start from a set of weak classifiers and learn...
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DBSCAN is a well-known clustering algorithm, which is easy to implement. Quoting Wikipedia: " Basically, a point q is directly densit...
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Skip lists are an interesting randomize data structure for storing pairs of . Skip lists have logaritmic search and insertion time. Here I ...
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typical recursive solution where we tentatively put a queen, if this doesn't violate conditions in column i. Then continue in submatrix...
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It can move either down or right and the board is N x M. How many path does the robot have? Solution: Steps are N+M and we can chose N, ...
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Ideally you should discuss all the different areas that are used
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PCA (Principal Component Analisys) is a classical machine learning method to reduce the dimensionality of a problem. PCA involves the calcu...
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Memory Mapped I/O is a crucial methodology for increasing I/O performance. The standard I/O approach is costly due to system call overhead ...
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Hey, Congress, Look At What Happened Last Time You Got Duped Into Letting Companies 'Repatriate' Foreign Cash... - [image: carl levin] Apple CEO Tim Cook testified to Congress about Apple's tax-dodging today. He did a superb job. Within minutes, he had parried a few ...
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The IRS official in charge of tax-exempt organizations will plead the Fifth Amendment and refuse to - The IRS official in charge of tax-exempt organizations will plead the Fifth Amendment and refuse to answer a Congressional committee's questions. *That*sh...16 minutes ago
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SearchCap: The Day In Search, May 21, 2013 - Below is what happened in search today, as reported on Search Engine Land and from other places across the Web. From Search Engine Land: Where Have All The...19 minutes ago
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Boost Mobile applies a unique spin on the mobile wallet - The Sprint prepaid brand is testing out a financial services app that allows you to pay bills, transfer funds and cash checks within a mobile app. For phys...
25 minutes ago -
Ditto Turns To Indiegogo For Help Battling Patent Lawsuits (Including One From 1-800-Contacts) - [image: ditto logo]Ditto, a startup that helps users virtually try on different pairs of eyeglasses, has launched an Indiegogo campaign to help fight a big...
29 minutes ago -
Ditto Turns To Indiegogo For Help Battling Patent Lawsuits (Including One From 1-800-Contacts) - [image: ditto logo]Ditto, a startup that helps users virtually try on different pairs of eyeglasses, has launched an Indiegogo campaign to help fight a big...
29 minutes ago
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Former Yahoo Shashi Seth to Join Tribune as President of New Digital Ventures Unit - A new investment arm of the media giant gets a new exec to find new ideas.40 minutes ago
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Google Analytics Lets Analytics Premium Users Join Big Data in Google Cloud - At Google I/O, Google Analytics introduced a new feature that's quite a big deal to Premium Analytics users. Google is now giving Analytics Premium users t...1 hour ago
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Xbox One: la nuova console di Microsoft (video) - Il primo video ufficiale che mostra il design definitivo di Xbox One.1 hour ago
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NASA takes 19 gigapixel shot of 6,000 by 120 mile strip of Earth [#maps] - The Largest Photograph of Earth Ever Taken Is an Amazing Sight "In April NASA’s Landsat Data Continuity Mission took a huge panorama. From 438 miles above ...1 hour ago
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Congratulations to the 2013 Google Anita Borg Memorial Scholars - Dr. Anita Borg revolutionized the way we think about technology and worked to dismantle the barriers that keep women and minorities from entering the compu...
2 hours ago -
Articulation Points (or Cut Vertices) in a Graph - A vertex in an undirected connected graph is an articulation point (or cut vertex) iff removing it (and edges through it) disconnects the graph. Articula...3 hours ago
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Do you KNOW how you KNOW what you KNOW? I don't KNOW. - When watching Jeopardy with Darling if I get a question correct that is NOT in my usual store of knowledge (that is NOT Ramsey Theory, NOT Vice Presidents,...4 hours ago
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KidWind Challenge Oregon Gets Gust Of Support From Facebook - Facebook has chronicled its efforts to monitor water and energy usage at its data center in Prineville, Ore., and the social network recently focused its...4 hours ago
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Comment on 6 Hours of SEO, Social, Crawling and Authority Webinars in 1 Post - Thank you.4 hours ago
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Apple e Google, altre accuse di evasione fiscale - Tim Cook si difende davanti a una commissione del Senato USA. Niente di illegale a Cupertino, dice, ma una riforma del sistema di tassazione e' auspicabile...5 hours ago
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Five short links - Photo by Eldeeem The Cartography of Bullshit - A righteous rant against a piece of pop-sociology digging into just how flimsy the underlying statistics are. ...18 hours ago
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Grades In - The grades are in for CS 124. Hooray! Interesting trend : freshmen, who make up a small fraction of the class, are highly over-represented in the A and A-...18 hours ago
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On Paul Erdos and Kim Kardashian - This year is the centennial of Paul Erdős’s birth. Erdős lived most of his adult life as a traveling mathematician, “couchsurfing,” as we would say now, fr...1 day ago
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Travel Expert and Founder of Vagabondish, Mike Richard, Joins Us To Share Travel Tips! - Summer is right around the corner, and that means it’s time to hit the road! Summer travel plans can be hard to book, with overbooked flights, steep pric...1 day ago
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Travel Expert and Founder of Vagabondish, Mike Richard, Joins Us To Share Travel Tips! - Summer is right around the corner, and that means it’s time to hit the road! Summer travel plans can be hard to book, with overbooked flights, steep pric...1 day ago
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Sharing made simple for iOS apps - Today we’re making sharing from your iOS apps easy. With the native Share Dialog, you can significantly improve people’s sharing experiences from your mo...1 day ago
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Yahoo! And Tumblr: It’s About Display, Streams & Native at Scale - The post Yahoo! And Tumblr: It’s About Display, Streams & Native at Scaleappeared first on John Battelle's Search Blog. The world is atwitter about Tumbl...1 day ago
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Story Reading - I revisited an old story I liked and decided to read it aloud. The story is "Chicken Hawk's Dream" by Al Young and appeared in Spero, 1,2 (1966:19--21). H...2 days ago
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Making Formulas… for Everything—From Pi to the Pink Panther to Sir Isaac Newton - Here at Wolfram Research and at Wolfram|Alpha we love mathematics and computations. Our favorite topics are algorithms, followed by formulas and equations....4 days ago
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Launching the Quantum Artificial Intelligence Lab - Posted by Hartmut Neven, Director of Engineering We believe quantum computing may help solve some of the most challenging computer science problems, partic...5 days ago
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How Google May Rank Web Sites Based on Quality Ratings - Google was granted a patent this week that describes how web sites might be given quality ratings, based upon a model that looks at human ratings for a s...5 days ago
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A multi-screen and conversational search experience - Search has always been about giving you the best answers quickly, regardless of what device you use. At Google I/O today, we gave an update on where we are...
6 days ago -
A multi-screen and conversational search experience - Search has always been about giving you the best answers quickly, regardless of what device you use. At Google I/O today, we gave an update on where we are...
6 days ago
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What to expect in SEO in the coming months - We just recently taped a new round of webmaster videos, and I thought this video deserved a full-fledged blog post. This is my rough estimate (as of early ...1 week ago
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Videos as (part of the) solution to assignments - Anna and I are running a three-week, intensive, first-year course in which the students use Uppaal to make models of computing systems and games, and to an...1 week ago
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Blogging is dead, but have we fixed anything? - Google Reader is shutting down, but most people moved on long ago. Blogging is dead. To the extent that it lives, it is dominated by professional journali...1 week ago
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An invitation to #ComedyFest (BYOB) - This week Twitter is turning into a comedy club, and you’ve got the best seats in the house, all for the price of free. We’re not saying that enjoying your...3 weeks ago
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Microsoft Research Mood Board - Microsoft Research Mood Board is a Windows application that combines image search, image collection, and sketching to support creative activities.3 weeks ago
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A reminder about promotional and commerce journalism - Posted by *Richard Gingras, Sr. Director, News & Social Products* * * ** ** *Credibility and trust are longstanding journalistic values, and ones which we...1 month ago
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People Driven Development - At every stage of the software development process, I like to put people first. I’m deliberately using the generic word people instead of the more common u...1 month ago
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A Microsoft Without Sinofsky? - Well, I can't believe it: Microsoft Announces Leadership Changes to Drive Next Wave of Products. People walking the hallways tonight at work certainly can't...6 months ago
Construct trie of all suffixes of string.
ReplyDeleteOutput number of nodes in trie.