David Oury

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FTC warns companies that ‘big data’ comes with the potential for big problems

Companies are tracking more data about consumers than ever. Practically every click you make online creates new records in some distant database, and your real world actions, too, can increasingly be tracked through your mobile phone or new commercial surveillance advances.<p>But the Federal Trade …

Big Data

The Hospitals That Overcharge Patients by 1,000 Percent

If you thought a burst appendix was painful, wait until you see the bill.<p>Try to avoid breaking any limbs in Crestview, Florida. You might wind up in North Okaloosa Medical Center, which charges 12.6 times, or 1,260 percent, more than what it costs the hospital to treat patients.<p>North Okaloosa, …

Health Care

How Ineffective Government Funding Can Hurt Poor Students

In far too many states, public-school spending remains “unfair, irrational, and unconnected to the resources” kids need to succeed.<p>Two new national reports paint a grim picture of unfair and inequitable funding of public education across states, with schools serving the highest proportion of …

Education

Data Mining Algorithms – Principal Component Analysis

Principal component analysis (PCA) is a technique used to emphasize the majority of the variation and bring out strong patterns in a dataset. It is …

Data Science

Build Analytics Special Ops Teams To Spark Business Innovation

Successful businesses start with an idea, an innovation. A great idea becomes a business. The problem comes in later, when we institutionalize the success we’ve achieved. Our processes and procedures become hardened. The aftermath of the first success becomes an impediment to the next wave of …

Big Data

Big Data: The Management Revolution

Artwork: Tamar Cohen, Happy Motoring, 2010, silk screen on vintage road map, 26″ x 18″<p><i>“You can’t manage what you don’t measure.”</i><p>There’s much wisdom in that saying, which has been attributed to both W. Edwards Deming and Peter Drucker, and it explains why the recent explosion of digital data is so …

‘Gaza Is Hell’

Desolation and destiny in a land in limbo<p>BEIT HANOUN, Gaza Strip—Eight months after last summer’s war between Israel and Palestinian militant groups, Gaza remains in ruins. Drive five minutes into the territory from the crossing point in southwestern Israel and you reach Beit Hanoun, one of the …

Israel

The Problem With Satisfied Patients

A misguided attempt to improve healthcare has led some hospitals to focus on making people happy, rather than making them well.<p>When healthcare is at its best, hospitals are four-star hotels, and nurses, personal butlers at the ready—at least, that’s how many hospitals seem to interpret a government …

Health Care

Running Apache Spark GraphX algorithms on Library of Congress subject heading SKOS

But, as I also wrote last time, a hardcore RDF person would ask these questions:<p>What about properties of edges? For example, what if I wanted to say …

New MLlib Algorithms in Apache Spark 1.3: FP-Growth and Power Iteration Clustering

This is a guest blog post from Huawei’s big data global team.<p>Huawei, a Fortune Global 500 private company, has put together a global team since 2013 …

Data Science

The elephant's dilemma: What does the future of databases really look like?

MIT's leading database researcher Michael Stonebraker talks about receiving the Alan Turing Award and the future of databases.<p>As a man in his …

Databases

Modern Methods for Sentiment Analysis

Sentiment analysis is a common application of Natural Language Processing (NLP) methodologies, particularly classification, whose goal is to extract …

How Education Policy Went Astray

Half a century ago, President Johnson signed a law—now known as No Child Left Behind—that he believed would solve inequality. But achievement gaps have only grown.<p>Fifty years ago, on April 11, 1965, President Lyndon Johnson went back to his old schoolhouse next to the Pedernales River in Stonewall, …

Education

Ivy League’s meritocracy lie: How Harvard and Yale cook the books for the 1 percent

“We are credentializing a new elite by legitimizing people with an inflated sense of their own merit”<p><i>A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior’s name is</i> …

College & University

The Quantum Mechanics of Fate - Issue 9: Time

“The objective world simply <i>is</i>, it does not <i>happen</i>,” wrote mathematician and physicist Hermann Weyl in 1949. From his point of view, the universe is …

Why Watson and Siri Are Not Real AI

Douglas Hofstadter is a cognitive scientist at Indiana University and the Pulitzer Prize-winning author of Gödel, Escher, Bach: An Eternal Golden Braid. While the face of the artificial intelligence field today is IBM's Watson or Apple's Siri, Hofstadter says these have nothing to do with thinking …

Sound, light and water waves and how scientists worked out the mathematics

What violins have in common with the sea – the wave principle<p>You're reading these words because light waves are bouncing off the letters on the page and into your eyes. The sounds of the rustling paper or beeps of your computer reach your ear via compression waves travelling through the air. Waves …

The Future of U.S. Manufacturing: More Hubs, Fewer Workers

Even hundreds of centers of innovation will not spell a revival of the manufacturing workforce equal with what many hope or expect.<p>Few topics have been more fraught than the fate of U.S. manufacturing. The sharp loss of manufacturing jobs since 2008 has triggered legitimate concern that America’s …

America's Math Textbooks Are More Rigorous Than South Korea's

But students in the U.S. still have much lower scores than their South Korean counterparts. Why?<p>South Korea has some of the highest math scores in the world. On the 2012 PISA math test, the mean score for a South Korean student was 70 points higher than for an American student. Lots of theories …

Why It's Harder to Move Up in America's Segregated Cities

The Stereotypes That Distort How Americans Teach and Learn Math

Speed doesn't matter, and there's no such thing as a "math person." How the Common Core's approach to the discipline could correct these misperceptions.<p>Mathematics education in the United States is broken. Open any newspaper and stories of math failure shout from the pages: low international …

Is Capitalism in Trouble?

CEOs are growing nervous. Can they help save our system from its worst excesses?<p>On a Wednesday in mid-September, some 30 entrepreneurs from around the world put on boots and blue jeans and spent four hours digging out Namaste Solar, a solar-power company in Boulder, Colorado, from under three feet …

Civics for a Digital Age

Eleven principles for relating to cities that are automated and smart<p>Over half of the world’s population lives in urban environments, and that number is rapidly growing according to the World Health Organization. Many of us interact with the physical environments of cities on a daily basis: the …

The Post-Lecture Classroom: How Will Students Fare?

A new study finds moderate student gains in courses where lectures take place at home and "homework" happens in the classroom.<p>If college professors spent less time lecturing, would their students do better?<p>A three-year study examining student performance in a “flipped classroom” — a class in which …

'Invisible' poor children let down by schools, says Ofsted head

http://vod-pro-ww-live.akamaized.net/mps_h264_hi/public/news/education/988000/988230_h264_1500k.mp4?__gda__=1522280388_b160a7d04830e195483a338dbe04f594<p><b>Many of the poor children being left behind in schools now are in suburbs, market towns and seaside resorts rather than big cities, England's chief</b> …

Achievement Gap

'The Great Gatsby Curve': Why It's So Hard for the Poor to Get Ahead

High-income kids who don't graduate from college are 2.5 times more likely to end up rich than low-income kids who do. Why it's so hard for the poor to get ahead today.<p>The American Dream isn't dead—it just moved to Denmark.<p>We like to think of ourselves as living a classless society, but it isn't …

Stop Penalizing Boys for Not Being Able to Sit Still at School

Instead, help them channel their energy into productive tasks.<p>This year's end-of-year paper purge in my middle school office revealed a startling pattern in my teaching practices: I discipline boys far more often than I discipline girls. Flipping through the pink and yellow slips--my school's …

Free information, as great as it sounds, will enslave us all

Imagine our world later in this century, when machines have gotten better. Cars and trucks drive themselves, and there’s hardly ever an accident. Robots root through the earth for raw materials, and miners are never trapped. Robotic surgeons rarely make errors. Clothes are always brand new designs …

Computer Science

Why Justice Stevens Is Dead Wrong About DNA Searches

Is it really less intrusive to collect someone's vital data for eternity than it is to rummage through his papers briefly?<p>John Paul Stevens, the avuncular former justice of the U.S. Supreme Court, gave an interesting speech yesterday at the American Constitution Society Convention in Washington, …