Tiger headed toward another win at Torrey

SAN DIEGO (AP) — The Pacific air was so cold at the end of a 10-hour day at Torrey Pines that Tiger Woods thrust both hands in the front pockets of his rain pants as he walked off the course at the Farmers Insurance Open.

It was a fitting image. Woods made a marathon day look like he was out for a stroll.

Staked to a two-shot lead going into the third round of this fog-delayed tournament, Woods drove the ball where he was aiming and was hardly ever out of position. Even with a bogey on the final hole — the easiest on the back nine — Woods still had a 3-under 69 and expanded his lead by two shots.

In the seven holes he played in the fourth round later Sunday afternoon, Woods hit the ball all over the course and still made three birdies to add two more strokes to his lead.

Thanks to the fog that wiped out an entire day of golf on Saturday, the Farmers Insurance Open didn't stand a chance of finishing on Sunday.

Woods just made it look like it was over.

He had a six-shot lead with 11 holes to play going into the conclusion of the final round on Monday. The two guys chasing him were Brandt Snedeker, the defending champion, and Nick Watney, who won at Torrey Pines in 2008. Neither was waving a white flag. Both understood how much the odds were stacked against them.

"I've got a guy at the top of the leaderboard that doesn't like giving up leads," Snedeker said. "So I have to go catch him."

"All we can do tomorrow is go out and try to make him think about it a little bit and see what happens," Watney said.

And then there was Erik Compton, a two-time heart transplant recipient who had a birdie-eagle finish in the third round that put him in third place through 54 holes, still five shots behind Woods. Someone asked Compton about trying to chase Woods. He laughed.

"I'm trying to chase myself," he said.

Woods was at 17-under par for the tournament, and more than just a six-shot lead was in his corner.

He finished the third round at 14-under 202, making it the 16th time on the PGA Tour that he had at least a four-shot lead going into the final round. His record on the PGA Tour with the outright lead after 54 holes is 38-2, the exceptions being Ed Fiori in 1996 when Woods was a 20-year-old rookie and Y.E. Yang in the 2009 PGA Championship.

Woods attributed his big lead to the "whole package."

"I've driven the ball well, I've hit my irons well, and I've chipped and putted well," he said. "Well, I've hit good putts. They all haven't gone in."

Woods has a good history of Monday finishes, starting with Torrey Pines. It was on this course along the coast north of La Jolla that Woods won a 19-hole playoff against Rocco Mediate to capture the 2008 U.S. Open for his 14th major.

He also won the Pebble Beach National Pro-Am on a Monday in 2000 when he rallied from seven shots behind with seven holes to play. He won his lone title in The Players Championship on a Monday, along with a five-shot win in the Memorial in 2000, and a scheduled Monday finish in the Deutsche Bank Championship outside Boston.

Woods even gets to sleep in.

A Monday finish because of weather typically resumes in the morning so players can get to the next tournament. CBS Sports, however, decided it wanted to televise the conclusion, and so play won't begin until 2 p.m. EST. That decision might have been based on Woods being headed toward victory — just a hunch.

Woods already has won seven times at Torrey Pines, including the U.S. Open. That matches his PGA Tour record at Bay Hill and Firestone (Sam Snead won the Greensboro Open eight times, four each on a different course).

The tournament isn't over, and Woods doesn't see it that way.

"I've got to continue with executing my game plan. That's the idea," he said. "I've got 11 holes to play, and I've got to play them well."

He seized control with his 69 in the third round that gave him a four-shot lead, and he might have put this away in the two hours he played before darkness stopped play.

He badly missed the first fairway to the left, but had a gap through the Torrey pines to the green and had a two-putt par. He missed his next shot so far to the left that the ball wound up in the first cut of the adjacent sixth fairway. He still managed a simple up-and-down for par.

After a 10-foot birdie on the par-3 third, Woods couldn't afford to go left off the tee again because of the PGA Tour's largest water hazard — the Pacific Ocean. So he went miles right, beyond a cart path, a tree blocking his way to the green. He hit a cut shot that came up safely short of the green, and then chipped in from 40 feet for birdie.

"I was able to play those holes in 2-under par," Woods said. "And then I hit three great drives right in a row."

One of them wasn't that great — it was in the right rough, the ball so buried that from 214 yards that Woods hit a 5-wood. It scooted down the fairway and onto the green, setting up a two-putt birdie the stretched his lead to six shots. And after another good drive, the horn sounded to stop play. Because it was due to weather, Woods was able to finish the hole, and he two-putted for par.

Eleven holes on Monday were all that were keeping him from his 75th career win on the PGA Tour, and delivering a message to the rest of golf that there could be more of this to follow no matter what the golf course.

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Well: Keeping Blood Pressure in Check

Since the start of the 21st century, Americans have made great progress in controlling high blood pressure, though it remains a leading cause of heart attacks, strokes, congestive heart failure and kidney disease.

Now 48 percent of the more than 76 million adults with hypertension have it under control, up from 29 percent in 2000.

But that means more than half, including many receiving treatment, have blood pressure that remains too high to be healthy. (A normal blood pressure is lower than 120 over 80.) With a plethora of drugs available to normalize blood pressure, why are so many people still at increased risk of disease, disability and premature death? Hypertension experts offer a few common, and correctable, reasons:

¶ About 20 percent of affected adults don’t know they have high blood pressure, perhaps because they never or rarely see a doctor who checks their pressure.

¶ Of the 80 percent who are aware of their condition, some don’t appreciate how serious it can be and fail to get treated, even when their doctors say they should.

¶ Some who have been treated develop bothersome side effects, causing them to abandon therapy or to use it haphazardly.

¶ Many others do little to change lifestyle factors, like obesity, lack of exercise and a high-salt diet, that can make hypertension harder to control.

Dr. Samuel J. Mann, a hypertension specialist and professor of clinical medicine at Weill-Cornell Medical College, adds another factor that may be the most important. Of the 71 percent of people with hypertension who are currently being treated, too many are taking the wrong drugs or the wrong dosages of the right ones.

Dr. Mann, author of “Hypertension and You: Old Drugs, New Drugs, and the Right Drugs for Your High Blood Pressure,” says that doctors should take into account the underlying causes of each patient’s blood pressure problem and the side effects that may prompt patients to abandon therapy. He has found that when treatment is tailored to the individual, nearly all cases of high blood pressure can be brought and kept under control with available drugs.

Plus, he said in an interview, it can be done with minimal, if any, side effects and at a reasonable cost.

“For most people, no new drugs need to be developed,” Dr. Mann said. “What we need, in terms of medication, is already out there. We just need to use it better.”

But many doctors who are generalists do not understand the “intricacies and nuances” of the dozens of available medications to determine which is appropriate to a certain patient.

“Prescribing the same medication to patient after patient just does not cut it,” Dr. Mann wrote in his book.

The trick to prescribing the best treatment for each patient is to first determine which of three mechanisms, or combination of mechanisms, is responsible for a patient’s hypertension, he said.

¶ Salt-sensitive hypertension, more common in older people and African-Americans, responds well to diuretics and calcium channel blockers.

¶ Hypertension driven by the kidney hormone renin responds best to ACE inhibitors and angiotensin receptor blockers, as well as direct renin inhibitors and beta-blockers.

¶ Neurogenic hypertension is a product of the sympathetic nervous system and is best treated with beta-blockers, alpha-blockers and drugs like clonidine.

According to Dr. Mann, neurogenic hypertension results from repressed emotions. He has found that many patients with it suffered trauma early in life or abuse. They seem calm and content on the surface but continually suppress their distress, he said.

One of Dr. Mann’s patients had had high blood pressure since her late 20s that remained well-controlled by the three drugs her family doctor prescribed. Then in her 40s, periodic checks showed it was often too high. When taking more of the prescribed medication did not result in lasting control, she sought Dr. Mann’s help.

After a thorough work-up, he said she had a textbook case of neurogenic hypertension, was taking too much medication and needed different drugs. Her condition soon became far better managed, with side effects she could easily tolerate, and she no longer feared she would die young of a heart attack or stroke.

But most patients should not have to consult a specialist. They can be well-treated by an internist or family physician who approaches the condition systematically, Dr. Mann said. Patients should be started on low doses of one or more drugs, including a diuretic; the dosage or number of drugs can be slowly increased as needed to achieve a normal pressure.

Specialists, he said, are most useful for treating the 10 percent to 15 percent of patients with so-called resistant hypertension that remains uncontrolled despite treatment with three drugs, including a diuretic, and for those whose treatment is effective but causing distressing side effects.

Hypertension sometimes fails to respond to routine care, he noted, because it results from an underlying medical problem that needs to be addressed.

“Some patients are on a lot of blood pressure drugs — four or five — who probably don’t need so many, and if they do, the question is why,” Dr. Mann said.

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How to Measure Your Blood Pressure

Mistaken readings, which can occur in doctors’ offices as well as at home, can result in misdiagnosis of hypertension and improper treatment. Dr. Samuel J. Mann, of Weill Cornell Medical College, suggests these guidelines to reduce the risk of errors:

¶ Use an automatic monitor rather than a manual one, and check the accuracy of your home monitor at the doctor’s office.

¶ Use a monitor with an arm cuff, not a wrist or finger cuff, and use a large cuff if you have a large arm.

¶ Sit quietly for a few minutes, without talking, after putting on the cuff and before checking your pressure.

¶ Check your pressure in one arm only, and take three readings (not more) one or two minutes apart.

¶ Measure your blood pressure no more than twice a week unless you have severe hypertension or are changing medications.

¶ Check your pressure at random, ordinary times of the day, not just when you think it is high.

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DealBook: Iceland Wins Major Case Over Failed Bank

BRUSSELS — Iceland won a landmark case at a European court, ending an acrimonious legacy from the collapse of its banking system more than four years ago.

On Monday, the court upheld the country’s refusal to promptly cover the losses of British and Dutch depositors who put more than $10 billion in Icesave, the bankrupt online offshoot of a failed Icelandic bank.

In a judgment issued in Luxembourg, the court of the European Free Trade Association, or EFTA, cleared Iceland of complaints that it violated rules governing the protection of depositors drawn up by the European Union. While Iceland is not a member of the Union, it is bound by most of its rules, as a member of EFTA.

The case has attracted widespread attention because it touches on issues of cross-border banking that have been at the center of the European Union’s efforts to ensure the future stability of the region’s financial system. The Iceland banking collapse in 2008 — and the mayhem it caused far beyond the country’s borders — raised issues directly relevant to the 27-nation Union.

Monday’s court ruling in Luxembourg marks a significant victory for Iceland. Unlike Ireland, Iceland declined to use taxpayer money to bail out foreign bondholders and depositors. This triggered a bitter dispute with Britain, which used anti-terrorism rules to take control of assets held in Britain by Icesave’s parent, Landsbanki.

In a recent interview with British television, Iceland’s president Olafur Ragnar Grimsson denounced Britain for its legal approach — using anti-terrorist rules — to seize Icelandic assets. “We were there together with al Qaeda and the Taliban on that list,” he said. “We have not forgotten that in Iceland.” He referred to the maneuver as Britain’s “eternal shame.”

After the 2008 crash, the Icelandic government tried twice to settle the Icesave debts. But the country’s voters, asked to approve settlement plans in two separate referenda, rejected the proposals. Foreign holders of bonds issued by Icesave’s corporate parent, Landsbanki, and two other failed Icelandic banks lost some $85 billion. Those losses were not at issue in the Luxembourg case, which involved only customers with bank deposits.

The Iceland government, in a statement by its foreign ministry after Monday’s verdict, said that Landisbanki had already paid out some $4.5 billion to Icesave depositors, covering nearly half of all initial claims by individuals, chartities and others in Britain and the Netherlands. The ministry said the bank would eventually reimburse the rest.

“It is a considerable satisfaction that Iceland’s defense has won the day in the Icesave case,” the Icelandic government said in its statement. The Luxembourg ruling, it added, “brings to a close an important stage in a long saga” and “Icesave is now no longer a stumbling block to Iceland economic recovery.”

Iceland’s economy, which went into a nosedive after the banking crash, is now growing again. The credit-rating agency Fitch recently raised its rating of the country’s debt, noting that its ‘‘unorthodox crisis policy response has succeeded in preserving sovereign creditworthiness.’’

But the Icesave saga has clouded the recovery.

Icesave collapsed in October 2008 along with its parent, Landsbanki, and the rest of Iceland’s banking sector in a spectacular blowout. Caught in the wreckage were some 350,000 people in Britain and the Netherlands who, lured by unusually high-interest rates, had put their money in Icesave accounts.

The Icelandic government protected the deposits of Icelanders who had money in failed banks by moving them into new, solvent versions of the banks. But the government declined to cover the losses of foreigners with on-line accounts operated by Icesave, a move that prompted complaints of illegal discrimination to the court in Luxembourg.

The case against Iceland was bought by the Surveillance Authority of the European Free Trade Association and revolved around interpretation of a European Union directive requiring that deposits in European banks be covered equally by deposit guarantee systems. Britain and the Netherlands supported the case.

But the court, according to a statement summarizing the verdict, ruled that the directive on guaranteeing bank deposits did not oblige Icelandic authorities to ensure immediate payment to depositors in Britain and the Netherlands “in a systemic crisis of the magnitude experienced in Iceland.”

Iceland argued that all Icesave depositors will eventually get their money back but that the government, confronted in 2008 with a total breakdown of the financial system, did not have the means to offer immediate payment of all claims. The court also cleared Iceland of complaints that it violated non-discrimination rules when it protected domestic depositors by moving their accounts to solvent new banks but reneged on protecting foreign depositors in Icesave.

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The Lede Blog: Fire at a Nightclub in Southern Brazil

Victims of the fire are attended by medics.

An intense fire ripped through a nightclub crowded with university students in southern Brazil early on Sunday morning, leaving behind a scene of horror with bodies piled in the club’s bathrooms and outside on the street.

At least 245 people were killed, police officials said.

As my colleague, Simon Romero reports, a flare from a live band’s pyrotechnic show ignited the fire in the nightclub, called Kiss, in the southern city of Santa Maria. Throughout the morning on Sunday, rescue workers hauled bodies from the still smoldering building.

One video posted to YouTube showed several bodies of apparently unconscious victims splayed on concrete outside of the club as medics check them for signs of life.

Shortly before the fire, a club D.J. posted a photo on Facebook from inside the crowded club with the caption: “Kiss is pumping.”

A short time later, another photo purportedly taken inside the club and widely disseminated through social media showed smoke billowing on the crowded dance floor.

BOATE KISS PEGANDO FOGO! http://t.co/tdV2DO4q

— Boatos SM ® #LUTO (@BoatoSM) 27 Jan 13

The fire quickly engulfed the building.

Firefighters, apparently joined by volunteers who shielded their faces with T-shirts, struggled to pull people from the burning building.

Firefighters and volunteers tried to pull people from the burning building

Photos from the scene showed frantic friends and family members gathered outside the club and the hospital.

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Djokovic beats Murray for 3rd straight Aust. title

MELBOURNE, Australia (AP) — Novak Djokovic became the first man in the Open era to win three consecutive Australian titles when he beat Andy Murray 6-7 (2), 7-6 (3), 6-3, 6-2 in Sunday's final.

Little wonder he loves Rod Laver Arena.

"It's definitely my favorite Grand Slam," he said. "It's an incredible feeling winning this trophy once more. I love this court."

Djokovic has won four of his six major titles at Melbourne Park, where he is now unbeaten in 21 matches.

Nine other men had won back-to-back titles in Australia over 45 years, but none were able to claim three in a row.

Only two other men, American Jack Crawford (1931-33) and Australian Roy Emerson (1963-67), have won three or more consecutive Australian championships.

Born a week apart in May 1987 and friends since their junior playing days, Djokovic and Murray played like they knew each other's game very well in a rematch of last year's U.S. Open final. There were no service breaks until the eighth game of the third set, when Djokovic finally broke through and then held at love to lead by two sets to one.

Djokovic earned two more service breaks in the fourth set, including one to take a 4-1 lead when U.S. Open champion Murray double-faulted on break point.

"It's been an incredible match as we could have expected," Djokovic said. "When we play each other, it's always, we push each other to the limit and I think those two sets went over two hours, 15 minutes, physically I was just trying to hang in there. Play my game and focus on every point."

The 25-year-old Serb didn't rip his shirt off this time, as he did to celebrate his epic 5-hour, 53-minute win over Rafael Nadal in last year's final. He just did a little dance, looked up to the sky and then applauded the crowd after the 3-hour, 40-minute match.

Murray's win over Djokovic in the U.S. Open final last year ended a 76-year drought for British men at the majors, but he still is yet to make a breakthrough in Australia after losing a third final here in the last four years.

Djokovic's win went against the odds of recent finals at Melbourne Park. In four of the past five years, the player who won the second of the semifinals has finished on top in the championship match. But this year, Djokovic played his semifinal on Thursday — an easy 89-minute minute win over No. 4-seeded David Ferrer. Murray needed five energy sapping sets to beat 17-time major winner Roger Federer on Friday night.

"You don't wake up the next day and feel perfect, obviously," Murray said of the Federer match. "It's the longest match I played in six months probably. It obviously wasn't an issue today. I started the match well. I thought I moved pretty good throughout."

The win consolidated Djokovic's position as the No. 1-ranked player in the world, while Federer and Murray will be second and third when the ATP rankings are released Monday.

Their last two matches in Grand Slams — Murray's five-set win at last year's U.S. Open and Djokovic's victory here last year in five in the semifinals — had a total of 35 service breaks.

It was a vastly different, more tactical battle on Sunday, with the first two tight sets decided in tiebreakers.

"All our matches in last three years have been decided in a very few points, so it's really hard to say if I've done anything different," Djokovic said. "I tried to be more aggressive. So I went for my shots, especially in the third and fourth; came to the net quite often. I was quite successful in that percentage, so it worked well for me."

Murray, who called for a trainer to retape blisters on his right foot at the end of the second set, was visibly annoyed by noise from the crowd during his service games in the third set, stopping his service motion twice until the crowd quieted down. After dropping the third set, he complained about the noise to chair umpire John Blom.

"It's just a bit sore when you're running around," Murray said. "It's not like pulling a calf muscle or something. It just hurts when you run."

Djokovic came from 0-40 down in the second game of the second set to hold his serve, something he called "definitely one of the turning points."

"He missed an easy backhand and I think mentally I just relaxed after that," Djokovic said. "I just felt I'm starting to get into the rhythm that I wanted to. I was little more aggressive and started to dictate the play."

Although Djokovic went into the match with a 10-7 lead in head-to-heads, Murray had beaten Djokovic five out of eight times in tiebreakers, and that improved to six of nine after four unforced errors by Djokovic to end the first set.

Djokovic pegged back that edge in the second set, when Murray also didn't help his cause by double-faulting to give Djokovic a 3-2 lead, and the Serbian player didn't trail again in the tiebreaker.

On the double-fault, Murray had to stop as he was about to serve to pick up a feather that had fallen on the court.

"I could have served, it just caught my eye before I served ... I thought it was a good idea to move it," he said.

"Maybe it wasn't because I obviously double faulted. At this level it can come down to just a few points here or there. My probably biggest chance was at the beginning of the second set; (I) didn't quite get it. When Novak had his chance at the end of the third, he got his."

Djokovic will have little time to savor the win — he's playing Davis Cup for Serbia next weekend against Belgium.

"It's going to be a lot of fun ... to see how I can adjust to clay court in indoor conditions, playing away Davis Cup, which is always tricky," he said.

Andre Agassi was among those in the capacity crowd — the four-time Australian champion's first trip Down Under in nearly 10 years — and he later presented the trophy to Djokovic.

Victoria Azarenka, who won Saturday's women's singles final over Li Na, was also there with her boyfriend rapper Redfoo. Actor Kevin Spacey met in the dressing room with both players ahead of the match and later tweeted a photo of himself with them.

In the earlier mixed doubles final Sunday, wild-card entrants Jarmila Gajdosova and Matthew Ebden of Australia beat the Czech pair of Lucie Hradecka and Frantisek Cermak 6-3, 7-5.

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Well: Ask Well: Squats for Aging Knees

You are already doing many things right, in terms of taking care of your aging knees. In particular, it sounds as if you are keeping your weight under control. Carrying extra pounds undoubtedly strains knees and contributes to pain and eventually arthritis.

You mention weight training, too, which is also valuable. Sturdy leg muscles, particularly those at the front and back of the thighs, stabilize the knee, says Joseph Hart, an assistant professor of kinesiology and certified athletic trainer at the University of Virginia, who often works with patients with knee pain.

An easy exercise to target those muscles is the squat. Although many of us have heard that squats harm knees, the exercise is actually “quite good for the knees, if you do the squats correctly,” Dr. Hart says. Simply stand with your legs shoulder-width apart and bend your legs until your thighs are almost, but not completely, parallel to the ground. Keep your upper body straight. Don’t bend forward, he says, since that movement can strain the knees. Try to complete 20 squats, using no weight at first. When that becomes easy, Dr. Hart suggests, hold a barbell with weights attached. Or simply clutch a full milk carton, which is my cheapskate’s squats routine.

Straight leg lifts are also useful for knee health. Sit on the floor with your back straight and one leg extended and the other bent toward your chest. In this position, lift the straight leg slightly off the ground and hold for 10 seconds. Repeat 10 to 20 times and then switch legs.

You can also find other exercises that target the knees in this video, “Increasing Knee Stability.”

Of course, before starting any exercise program, consult a physician, especially, Dr. Hart says, if your knees often ache, feel stiff or emit a strange, clicking noise, which could be symptoms of arthritis.

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Unboxed: Literary History, Seen Through Big Data’s Lens

ANY list of the leading novelists of the 19th century, writing in English, would almost surely include Charles Dickens, Thomas Hardy, Herman Melville, Nathaniel Hawthorne and Mark Twain.

But they do not appear at the top of a list of the most influential writers of their time. Instead, a recent study has found, Jane Austen, author of “Pride and Prejudice, “ and Sir Walter Scott, the creator of “Ivanhoe,” had the greatest effect on other authors, in terms of writing style and themes.

These two were “the literary equivalent of Homo erectus, or, if you prefer, Adam and Eve,” Matthew L. Jockers wrote in research published last year. He based his conclusion on an analysis of 3,592 works published from 1780 to 1900. It was a lot of digging, and a computer did it.

The study, which involved statistical parsing and aggregation of thousands of novels, made other striking observations. For example, Austen’s works cluster tightly together in style and theme, while those of George Eliot (a k a Mary Ann Evans) range more broadly, and more closely resemble the patterns of male writers. Using similar criteria, Harriet Beecher Stowe was 20 years ahead of her time, said Mr. Jockers, whose research will soon be published in a book, “Macroanalysis: Digital Methods and Literary History” (University of Illinois Press).

These findings are hardly the last word. At this stage, this kind of digital analysis is mostly an intriguing sign that Big Data technology is steadily pushing beyond the Internet industry and scientific research into seemingly foreign fields like the social sciences and the humanities. The new tools of discovery provide a fresh look at culture, much as the microscope gave us a closer look at the subtleties of life and the telescope opened the way to faraway galaxies.

“Traditionally, literary history was done by studying a relative handful of texts,” says Mr. Jockers, an assistant professor of English and a researcher at the Center for Digital Research in the Humanities at the University of Nebraska. “What this technology does is let you see the big picture — the context in which a writer worked — on a scale we’ve never seen before.”

Mr. Jockers, 46, personifies the digital advance in the humanities. He received a Ph.D. in English literature from Southern Illinois University, but was also fascinated by computing and became a self-taught programmer. Before he moved to the University of Nebraska last year, he spent more than a decade at Stanford, where he was a founder of the Stanford Literary Lab, which is dedicated to the digital exploration of books.

Today, Mr. Jockers describes the tools of his trade in terms familiar to an Internet software engineer — algorithms that use machine learning and network analysis techniques. His mathematical models are tailored to identify word patterns and thematic elements in written text. The number and strength of links among novels determine influence, much the way Google ranks Web sites.

It is this ability to collect, measure and analyze data for meaningful insights that is the promise of Big Data technology. In the humanities and social sciences, the flood of new data comes from many sources including books scanned into digital form, Web sites, blog posts and social network communications.

Data-centric specialties are growing fast, giving rise to a new vocabulary. In political science, this quantitative analysis is called political methodology. In history, there is cliometrics, which applies econometrics to history. In literature, stylometry is the study of an author’s writing style, and these days it leans heavily on computing and statistical analysis. Culturomics is the umbrella term used to describe rigorous quantitative inquiries in the social sciences and humanities.

“Some call it computer science and some call it statistics, but the essence is that these algorithmic methods are increasingly part of every discipline now,” says Gary King, director of the Institute for Quantitative Social Science at Harvard.

Cultural data analysts often adapt biological analogies to describe their work. Mr. Jockers, for example, called his research presentation “Computing and Visualizing the 19th-Century Literary Genome.”

Such biological metaphors seem apt, because much of the research is a quantitative examination of words. Just as genes are the fundamental building blocks of biology, words are the raw material of ideas.

“What is critical and distinctive to human evolution is ideas, and how they evolve,” says Jean-Baptiste Michel, a postdoctoral fellow at Harvard.

Mr. Michel and another researcher, Erez Lieberman Aiden, led a project to mine the virtual book depository known as Google Books and to track the use of words over time, compare related words and even graph them.

Google cooperated and built the software for making graphs open to the public. The initial version of Google’s cultural exploration site began at the end of 2010, based on more than five million books, dating from 1500. By now, Google has scanned 20 million books, and the site is used 50 times a minute. For example, type in “women” in comparison to “men,” and you see that for centuries the number of references to men dwarfed those for women. The crossover came in 1985, with women ahead ever since.

In work published in Science magazine in 2011, Mr. Michel and the research team tapped the Google Books data to find how quickly the past fades from books. For instance, references to “1880,” which peaked in that year, fell to half by 1912, a lag of 32 years. By contrast, “1973” declined to half its peak by 1983, only 10 years later. “We are forgetting our past faster with each passing year,” the authors wrote.

JON KLEINBERG, a computer scientist at Cornell, and a group of researchers approached collective memory from a very different perspective.

This article has been revised to reflect the following correction:

Correction: January 27, 2013

An earlier version of this article misstated Matthew L. Jockers’s age. He is 46, not 48. 

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Dozens Killed in Clashes at a Venezuelan Prison

Diario el Informador, via Reuters

A rescue worker assisted a man injured during a riot at the Uribana prison in Barquisimeto, a northwestern city in Venezuela.

CARACAS, Venezuela — Dozens of people have been killed in fierce clashes between inmates and National Guard soldiers at a Venezuelan prison, local news media accounts said Saturday.

It was the latest in a series of bloody riots over the past year in overcrowded prisons here, where guns and drugs abound and inmates control many aspects of prison life.

Newspapers reported that more than 50 people had been killed at the Uribana prison in Barquisimeto, a northwestern city, citing the director of a hospital where the wounded and the dead were taken. The reports said that more than 80 people had been injured.

The minister of prisons, Iris Varela, said the violence broke out Friday when National Guard troops entered the prison to conduct an inspection, with the aim of taking weapons away from prisoners and establishing order.

“There was a tragic situation of confusion that we lament very much,” Vice President Nicolás Maduro said on television early Saturday. Mr. Maduro spoke after returning to Venezuela from Cuba, where he had gone to visit the country’s ailing president, Hugo Chávez, who has been out of sight since undergoing surgery in Havana for cancer more than six weeks ago.

Mr. Maduro is running the country in Mr. Chávez’s absence.

He described the prison as one of the country’s most dangerous, and he promised an investigation. “The prisons must be governed by the law,” he said.

There were conflicting reports about the episode but it appeared that inmates had resisted efforts by the National Guard to enter areas of the prison. The local news media reports indicated that some of the inmate bosses, known as prans, had been killed in the raid. The reports said that most of the dead were prisoners.

Ms. Varela said that two days before the raid the authorities received information of an increase in violence inside the prison, involving a settling of scores between different factions vying for control.

At that point, she said, the decision was made to have the troops enter the prison.

But she said that word of the operation leaked out and that it was reported by a television station, Globovision, on the Web site of a local newspaper and on social networking sites.

She called the reports “a detonator of the violence” and blamed them for setting off the riot inside the prison.

Last August, 25 people were killed and dozens were wounded in gunfights between inmates battling for control of the Yare I prison south of Caracas, according the official reports.

Also last summer, 30 people were killed in a prison riot in Merida, in the Andes Mountains, according the Venezuela Prison Observatory, a nongovernmental watchdog group. Outside the prison on Saturday morning a few hundred people, including many anguished relatives of prisoners, waited for news. Some sang the national anthem and some held signs that said “We want peace” and “No more deaths.”

“This happens all the time and nothing changes,” said Yolanda Rodríguez, 57, who was waiting for information about her 24-year-old son, an inmate in the prison. “We know nothing about what’s happening inside.”

Girish Gupta contributed reporting from Barquisimeto, Venezuela.

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New purported Galaxy Note 8.0 images confirm S-Pen support

Earlier this week, images that were purportedly of Samsung’s (005930) upcoming Galaxy Note 8.0 tablet leaked onto the Web. The slate looked like an oversized Galaxy S III smartphone and included the company’s physical home button, which had perviously been omitted from earlier Galaxy tablets. French blog Frandroid posted additional images of the tablet on Friday that confirmed it will include an S-Pen stylus, similar to the Galaxy Note II and Galaxy Note 10.1.

[More from BGR: Sony’s PS Vita: Dead again]

[More from BGR: The Boy Genius Report: Apple’s iMac takes desktop crown]

The Galaxy Note 8.0 is rumored to be equipped with a 1280 x 800 pixel resolution display, 1.6GHz quad-core processor and a 5-megapixel rear camera. The slate is also believed to include 2GB of RAM, 16GB of internal storage, a microSD slot and Android 4.2.

Samsung is expected to announce the Galaxy Note 8.0 tablet next month at Mobile World Congress in Barcelona.

This article was originally published on BGR.com

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Azarenka beats Li, defends Australian Open title

MELBOURNE, Australia (AP) — Victoria Azarenka had the bulk of the crowd against her. The fireworks were fizzling out, and when she looked over the net she saw Li Na crashing to the court and almost knocking herself out.

Considering the cascading criticism she'd encountered after her previous win, Azarenka didn't need the focus of the Australian Open final to be on another medical timeout.

So after defending her title with a 4-6, 6-4, 6-3 victory over the sixth-seeded Li in one of the most unusual finals ever at Melbourne Park, Azarenka understandably dropped her racket and cried tears of relief late Saturday night.

She heaved as she sobbed into a towel beside the court, before regaining her composure to collect the trophy.

"It isn't easy, that's for sure, but I knew what I had to do," the 23-year-old Belarusian said. "I had to stay calm. I had to stay positive. I just had to deal with the things that came onto me."

There were a lot of those things squeezed into the 2-hour, 40-minute match. Li, who was playing her second Australian Open final in three years, twisted her ankle and tumbled to the court in the second and third sets.

The second time was on the point immediately after a 10-minute delay for the Australia Day fireworks — a familiar fixture in downtown Melbourne on Jan. 26, but not usually coinciding with a final.

Li had been sitting in her chair during the break, while Azarenka jogged and swung her racket around before leaving the court to rub some liniment into her legs to keep warm.

The 30-year-old Chinese player had tumbled to the court after twisting her left ankle and had it taped after falling in the fifth game of the second set. Immediately after the fireworks ceased, and with smoke still in the air, she twisted the ankle again, fell and hit the back of her head on the hard court.

The 2011 French Open champion was treated immediately by a tournament doctor and assessed for a concussion in another medical timeout before resuming the match.

"I think I was a little bit worried when I was falling," Li said, in her humorous, self-deprecating fashion. "Because two seconds I couldn't really see anything. It was totally black.

"So when the physio come, she was like, 'Focus on my finger.' I was laughing. I was thinking, 'This is tennis court, not like hospital.'"

Li's injury was obvious and attracted even more support for her from the 15,000-strong crowd.

Azarenka had generated some bad PR by taking a medical timeout after wasting five match points on her own serve in her semifinal win over American teenager Sloane Stephens on Thursday. She came back after the break and finished off Stephens in the next game, later telling an on-court interviewer that she "almost did the choke of the year."

She was accused of gamesmanship and manipulating the rules to get time to regain her composure against Stephens, but defended herself by saying she actually was having difficulty breathing because of a rib injury that needed to be fixed.

That explanation didn't convince everybody. So when she walked onto Rod Laver Arena on Saturday, there were some people who booed, and others who heckled her or mimicked the distinctive hooting sound she makes when she hits the ball.

"Unfortunately, you have to go through some rough patches to achieve great things," she said. "That's what makes it so special for me. I went through that, and I'm still able to kiss that beautiful trophy."

She didn't hold a grudge.

"I was expecting way worse, to be honest. What can you do? You just have to go out there and try to play tennis in the end of the day," she said. "It's a tennis match, tennis battle, final of the Australian Open. I was there to play that.

"The things what happened in the past, I did the best thing I could to explain, and it was left behind me already."

The match contained plenty of nervy moments and tension, and 16 service breaks — nine for Li. But it also produced plenty of winners and bravery on big points.

Azarenka will retain the No. 1 ranking she's mostly held since her first Grand Slam win in Melbourne last year.

Li moved into the top five and is heartened by a recent trend of Australian runner-ups winning the French Open. She accomplished that in 2011, as did Ana Ivanovic (2008) and Maria Sharapova (2012).

"I wish I can do the same this year, as well," Li said.

Later Saturday, Bob and Mike Bryan won their record 13th Grand Slam men's doubles title, defeating the Dutch team of Robin Haase and Igor Sijsling 6-3, 6-4.

Sunday's men's final features two-time defending champion Novak Djokovic and U.S. Open winner Andy Murray. Djokovic is seeking to become the first man in the Open era to win three titles in a row in Australia.

Azarenka was planning a night of partying to celebrate her second major title, with her friend Redfoo and the Party Rock crew, and was hopeful of scoring some tickets to the men's final.

She said she needed to let her hair down after a draining two weeks and hoped that by being more open and frank in recent times she was clearing up any misconceptions the public had of her.

"When I came first on the tour I kind of was lost a little bit," he said. "I didn't know how to open up my personality. It's very difficult when you're alone. I was independent since I was, you know, 10 years old. It was a little bit scary and I wouldn't show my personality.

"So the (last) couple of years I learned how to open up to people and to share the moments. I wasn't really good before. I hope I got better. It's your judgment."

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