Wednesday, March 6, 2013

College football pro days: Northwestern, Missouri Southern host NFL scouts

The Northwestern Wildcats were among multiple schools hosting their Pro Day on Tuesday, but offensive guard Brian Mulroe, their most likely draft prospect, did not participate.

Northwestern held its Pro Day on Tuesday, and despite winning a bowl game for the first time in 64 years, there aren't many Wildcats who are expected to hear their name called during the 2013 NFL Draft. Perhaps their best prospect was offensive guard Brian Mulroe, who has decided not to pursue the draft.

Despite Mulroe's absence, several players worked out on Tuesday and 30 scouts from 27 NFL teams were present.

Cornerback Quinn Evans recorded a 37-inch vertical and a team-best 4.37 40-yard dash, and showed great recovery speed in a coverage drill to add context to his quickness. Defensive lineman Brian Arnfelt put up 38 reps in the bench press, while linebacking prospect David Nwabuisi notched 20. Though Nwabuisi struggled in his first 40, posting a 4.92, he rebounded with a 4.71 to go along with an impressive 31.5-inch vertical leap. Evans' leap and Arnfelt's press would have put them among the leaders in those categories at the NFL Combine.

All of the Wildcats struggled with the three-cone drill, with Nwabuisi, Arnfelt, and offensive lineman Patrick Ward falling in at least one of their two attempts. Ward was held out of the weight room as he is recovering from a hand injury, but reports were good on his backpedaling drill.

Missouri Southern held a pro day for three-time Division II All-American Brandon Williams. The standout defensive tackle weighed in at 333 lbs. and was looked at by scouts of the Steelers, Chiefs, Vikings, Saints, Ravens and Seahawks. Williams impressed with his strength at the NFL Combine, pushing 38 reps at the bench press. It is expected that Williams will be the first Division II player selected.

More in the NFL:

? NFL Mock Draft: New names rising in first round

? Uffsides: Von Miller talks with SB Nation

? Ranking the NFL's top offensive free agents

? Joe Flacco and the history of $100 million contracts

? The NFL's disappearing middle class

? The speed conspiracy: Comparing NFL and high school 40-yard dash times

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Source: http://www.sbnation.com/nfl/2013/3/5/4068088/2013-nfl-draft-northwestern-pro-day-brian-mulroe

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Monday, March 4, 2013

Job Seekers: Embrace Social Media (or Remain Unemployed) | The ...

Jobvite recently surveyed job seekers on how they currently use social networks.

What did we learn? The study revealed that job? seekers can, and should, do much more to proactively look for employment via social media.

Companies are changing how they find and hire talent, especially via social media and through referrals. Yet this shift doesn?t match the actions taken by job seekers. If you?re currently looking for a job, or considering a change? this survey data is important for you to know:

69 Percent are ?Passive? Job Seekers

Jobvite?s study reports 69% of employed Americans are seeking, or are at least open to, a new job.

  • 9% are employed and actively seeking a new job
  • 60% are employed and open to a new job

Let this be a warning to all companies? your employees want to leave you! For job seekers: the data point means there is huge competition out there; more than you ever imagined.

It is Harder to Find A Job

harder to find a job jobvite 2012 jobseeker study

When 61% say it is harder to find a job this year than last year, shouldn?t that mean they need to try new tactics and strategies? If you continue to do what you?ve always done, won?t you continue to get the same results?

Social Profiles Don?t Equal Use

jobseeker social profiles jobvite 2012Job seekers, even though they have a social media account open, are not actively using social media in their job search strategy:

  • 85% of? job seekers have a Facebook profile
  • 44% of job seekers have a LinkedIn profile
  • 51% of job seekers have a Twitter profile

Merely having a profile isn?t going to be enough. One of the largest misconceptions: ?If I put it out there, they will find me!?

While that CAN happen, the true value of social networks happens when you connect with people, mine your network for meaningful industry data and trends (not job postings), and ask for advice and information.

What Actions Do Job Seekers Take On Social Networks?

As you read through this list of how job seekers most commonly use social media to job search, ask yourself: ?Can we call items one through four proactive job search techniques or activities??

  1. Updated profile with professional information
  2. Provided your own profile on a job application or during an interview
  3. Modified privacy settings with work in mind
  4. Searched for jobs
  5. Researched a potential employer before and during application process
  6. Connected with a potential employer
  7. Had contact with a recruiter
  8. None of these

The answer: No!

These are reactive job search actions. No wonder those interviewed for the study found it harder today to find a job; they are engaging in the most competitive, congested, and less productive activities.

In fact, the ?none of these? responses were quite high across all three social networks: 48% on Facebook, 62% on LinkedIn, and 66% on Twitter. In my mind, this indicates the typical job seeker is?missing opportunities to connect with potential employers and not really users of social networks, but takers!

Facebook Faux Pas

One area of improvement: more job seekers are taking steps to ?professionalize? their Facebook accounts by updating professional experience:

Facebook for job search jobvite jobseeker 2012

51% of job seekers are NOT using Facebook for career gain, however. In other words, they did NOT do any of the following activities tied to job seeking:

  • I made new professional connections
  • I asked a contact for help with a job search or career advice
  • I shared a job opportunity with a contact
  • A contact shared a job opportunity
  • A contact referred me for a job
  • A contact provided an employee?s perspective on a company

Their primary use of social media: they looked for posted jobs? just like we did 10 years ago. Fail!

Loosely LinkedIn

Even on LinkedIn, 62% of job seekersare NOT using the most powerful network for career gain:

LinkedIn for job search jobvite jobseeker 2012

I?m not sure why they are on the network at all? and, frankly, I would be interested to know if they are serious about transitioning to a new job!

Twitter Trouble

Twitter isn?t much different: 65% of those surveyed reported they did not use Twitter proactively. While they did receive referrals and job leads, only 7% shared leads themselves.

Twitter for job search jobvite jobseeker 2012

Social Networks Are?

There are certain strategies great marketers use to build brand awareness and promote their product across social networks. Job seekers would benefit from these best practices? by improving how they leverage the power of social networks:

  • Engage in discussion with potential customer, clients, employers
  • Pull, don?t push your message; create valuable content and draw your customers to you (this means more than updating a profile)
  • Give to get; in other words, help others more than you promote yourself
  • Uncover the needs and wants of potential customers, clients, employers and develop a campaign to reach them
  • Follow great thinkers within potential companies
  • Build a tribe! Partner with organizations and people who believe in you and will help distribute your message
  • Systematically and purposefully grow your network with people who can help
  • Consistently ask for advice and help!
  • Be authentic (but cross the line into inappropriate)

If you consider yourself a ?business of one?, ready to actively use social media to find your next job, these actions should make sense? and you?ll go far through networking, community building and self-learning.

If, however, you are among those just looking for social media to find a job, or a job posting, you may be at this a very long time.

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For this post, YouTern thanks our friends at Career Sherpa!

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About the Author: Hannah Morgan is a career sherpa, guiding new job seekers through the treacherous terrain of job search. If you are looking for no-nonsense advice, check out her site Career Sherpa, and follow Hannah on Twitter for the latest job search news and trends!

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Image courtesy of FreeResumeBuilder.org, thank you!

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Source: http://www.youtern.com/thesavvyintern/index.php/2013/03/02/job-seekers-embrace-social-media-or-remain-unemployed/

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Chad says kills Algeria hostage mastermind in Mali

N'DJAMENA (Reuters) - Chadian soldiers in Mali have killed Mokhtar Belmokhtar, the al Qaeda commander who masterminded a bloody hostage-taking at an Algerian gas plant in January, Chad's military said on Saturday.

The death of one of the world's most wanted jihadists would be a major blow to al Qaeda in the region and to Islamist rebels already forced to flee towns they had seized in northern Mali by an offensive by French and African troops.

"On Saturday, March 2, at noon, Chadian armed forces operating in northern Mali completely destroyed a terrorist base (...) The toll included several dead terrorists, including their leader Mokhtar Belmokhtar," Chad's armed forces said in a statement read on national television.

On Friday, Chad's President Idriss Deby said his soldiers had killed another al Qaeda commander, Adelhamid Abou Zeid, among 40 militants who died in an operation in the same area as Saturday's assault - Mali's Adrar des Ifoghas mountains near the Algerian border.

France - which has used jet strikes against the militants' mountain hideouts - has declined to confirm the killing of either Abou Zeid or Belmokhtar.

Analysts said the death of two of al Qaeda's most feared commanders in the Sahara desert would mark a significant blow to Mali's Islamist rebellion.

"Both men have extensive knowledge of northern Mali and parts of the broader Sahel and deep social and other connections in northern Mali, and the death of both in such a short amount of time will likely have an impact on militant operations," said Andrew Lebovich, a Dakar-based analyst who follows al Qaeda in the Islamic Maghreb (AQIM).

Anne Giudicelli, managing director of security consultancy Terrorisc, said the al Qaeda commanders' deaths - if confirmed - would temporarily disrupt the Islamist rebel network but would also raise concern over the fate of seven French hostages believed to be held by Islamists in northern Mali.

Chad is one of several African nations that have contributed forces to a French-led military intervention in Mali aimed at ridding its vast northern desert of Islamist rebels who seized the area nearly a year ago following a coup in the capital.

Western and African countries are worried that al Qaeda could use the zone to launch international attacks and strengthen ties with African Islamist groups like al Shabaab in Somalia and Boko Haram in Nigeria.

'MARLBORO MAN'

Belmokhtar, 40, who lost an eye while fighting in Afghanistan in the 1990s, claimed responsibility for the seizure of dozens of foreign hostages at the In Amenas gas plant in Algeria in January in which more than 60 people were killed.

That attack put Algeria back on the map of global jihad, 20 years after its civil war, a bloody Islamist struggle for power. It also burnished Belmokhtar's jihadi credentials by showing that al Qaeda remained a potent threat to Western interests despite U.S. forces killing Osama bin Laden in Pakistan in 2011.

Before In Amenas, some intelligence experts had assumed Algerian-born Belmokhtar had drifted away from jihad in favour of kidnapping and smuggling weapons and cigarettes in the Sahara where he earned the nickname "Marlboro Man".

In a rare interview with a Mauritanian news service in late 2011, Belmokhtar paid homage to bin Laden and his successor, Ayman al-Zawahri. He cited al Qaeda's traditional global preoccupations, including Iraq, Afghanistan and the fate of the Palestinians, and stressed the need to "attack Western and Jewish economic and military interests".

He shared command of field operations for AQIM - al Qaeda's north African franchise - with Abou Zeid, though there was talk the two did not get along and were competing for power.

A former smuggler turned jihadi, Algerian-born Abou Zeid imposed a violent form of sharia, Islamic law, in the ancient desert town of Timbuktu, including amputations and the destruction of ancient Sufi shrines.

Robert Fowler, a former Canadian diplomat held hostage by Belmokhtar in 2008-9, told Reuters: "While I cannot consider reports of the death of both Abou Zeid and Mokhtar Belmokhtar as anything but good news ... I must temper my enthusiasm by the fact that this is by no means the first time Belmokhtar's death has been reported."

President Francois Hollande said on Friday that the assault to retake Mali's vast desert north from AQIM and other Islamist rebels that began on January 11 was in its final stage and so could not confirm Abou Zeid's death.

A U.S. official and a Western diplomat, however, said the reports about Abou Zeid's death appeared to be credible.

U.S. Representative Ed Royce, Republican chairman of the House Foreign Affairs Committee, said the killing of Belmokhtar "would be a hard blow to the collection of jihadists operating across the region that are targeting American diplomats and energy workers."

Washington has said it believes Islamists operating in Mali were involved in the killing of the U.S. ambassador in Libya's eastern city of Benghazi in September.

After its success in dislodging al Qaeda fighters from northern Mali's towns, France and its African allies have faced a mounting wave of suicide bombings and guerrilla-style raids by Islamists in northern Malian towns.

United Nations Secretary-General Ban Ki-moon said on Friday that a U.N. peacekeeping force to replace French troops in Mali should be discussed as soon as possible.

Chad was among the quickest to respond to Mali's appeals for help alongside the French, rushing in hundreds of troops experienced in desert warfare, led by President Deby's son, General Mahamat Deby.

President Deby may be hoping to polish his regional and international credentials by assisting in this war, while bolstering his own position in power in Chad which has been threatened in the past by eastern neighbour Sudan.

Source: http://news.yahoo.com/chad-says-kills-algeria-hostage-mastermind-mali-081914233.html

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Short algorithm, long-range consequences

Mar. 1, 2013 ? In the last decade, theoretical computer science has seen remarkable progress on the problem of solving graph Laplacians -- the esoteric name for a calculation with hordes of familiar applications in scheduling, image processing, online product recommendation, network analysis, and scientific computing, to name just a few. Only in 2004 did researchers first propose an algorithm that solved graph Laplacians in "nearly linear time," meaning that the algorithm's running time didn't increase exponentially with the size of the problem.

At this year's ACM Symposium on the Theory of Computing, MIT researchers will present a new algorithm for solving graph Laplacians that is not only faster than its predecessors, but also drastically simpler. "The 2004 paper required fundamental innovations in multiple branches of mathematics and computer science, but it ended up being split into three papers that I think were 130 pages in aggregate," says Jonathan Kelner, an associate professor of applied mathematics at MIT who led the new research. "We were able to replace it with something that would fit on a blackboard."

The MIT researchers -- Kelner; Lorenzo Orecchia, an instructor in applied mathematics; and Kelner's students Aaron Sidford and Zeyuan Zhu -- believe that the simplicity of their algorithm should make it both faster and easier to implement in software than its predecessors. But just as important is the simplicity of their conceptual analysis, which, they argue, should make their result much easier to generalize to other contexts.

Overcoming resistance

A graph Laplacian is a matrix -- a big grid of numbers -- that describes a graph, a mathematical abstraction common in computer science. A graph is any collection of nodes, usually depicted as circles, and edges, depicted as lines that connect the nodes. In a logistics problem, the nodes might represent tasks to be performed, while in an online recommendation engine, they might represent titles of movies.

In many graphs, the edges are "weighted," meaning that they have different numbers associated with them. Those numbers could represent the cost -- in time, money or energy -- of moving from one step to another in a complex logistical operation, or they could represent the strength of the correlations between the movie preferences of customers of an online video service.

The Laplacian of a graph describes the weights between all the edges, but it can also be interpreted as a series of linear equations. Solving those equations is crucial to many techniques for analyzing graphs.

One intuitive way to think about graph Laplacians is to imagine the graph as a big electrical circuit and the edges as resistors. The weights of the edges describe the resistance of the resistors; solving the Laplacian tells you how much current would flow between any two points in the graph.

Earlier approaches to solving graph Laplacians considered a series of ever-simpler approximations of the graph of interest. Solving the simplest provided a good approximation of the next simplest, which provided a good approximation of the next simplest, and so on. But the rules for constructing the sequence of graphs could get very complex, and proving that the solution of the simplest was a good approximation of the most complex required considerable mathematical ingenuity.

Looping back

The MIT researchers' approach is much more straightforward. The first thing they do is find a "spanning tree" for the graph. A tree is a particular kind of graph that has no closed loops. A family tree is a familiar example; there, a loop might mean that someone was both parent and sibling to the same person. A spanning tree of a graph is a tree that touches all of the graph's nodes but dispenses with the edges that create loops. Efficient algorithms for constructing spanning trees are well established.

The spanning tree in hand, the MIT algorithm then adds back just one of the missing edges, creating a loop. A loop means that two nodes are connected by two different paths; on the circuit analogy, the voltage would have to be the same across both paths. So the algorithm sticks in values for current flow that balance the loop. Then it adds back another missing edge and rebalances.

In even a simple graph, values that balance one loop could imbalance another one. But the MIT researchers showed that, remarkably, this simple, repetitive process of adding edges and rebalancing will converge on the solution of the graph Laplacian. Nor did the demonstration of that convergence require sophisticated mathematics: "Once you find the right way of thinking about the problem, everything just falls into place," Kelner explains.

Paradigm shift

Daniel Spielman, a professor of applied mathematics and computer science at Yale University, was Kelner's thesis advisor and one of two co-authors of the 2004 paper. According to Spielman, his algorithm solved Laplacians in nearly linear time "on problems of astronomical size that you will never ever encounter unless it's a much bigger universe than we know. Jon and colleagues' algorithm is actually a practical one."

Spielman points out that in 2010, researchers at Carnegie Mellon University also presented a practical algorithm for solving Laplacians. Theoretical analysis shows that the MIT algorithm should be somewhat faster, but "the strange reality of all these things is, you do a lot of analysis to make sure that everything works, but you sometimes get unusually lucky, or unusually unlucky, when you implement them. So we'll have to wait to see which really is the case."

The real value of the MIT paper, Spielman says, is in its innovative theoretical approach. "My work and the work of the folks at Carnegie Mellon, we're solving a problem in numeric linear algebra using techniques from the field of numerical linear algebra," he says. "Jon's paper is completely ignoring all of those techniques and really solving this problem using ideas from data structures and algorithm design. It's substituting one whole set of ideas for another set of ideas, and I think that's going to be a bit of a game-changer for the field. Because people will see there's this set of ideas out there that might have application no one had ever imagined."

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Story Source:

The above story is reprinted from materials provided by Massachusetts Institute of Technology. The original article was written by Larry Hardesty.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Jonathan A. Kelner, Lorenzo Orecchia, Aaron Sidford, Zeyuan Allen Zhu. A Simple, Combinatorial Algorithm for Solving SDD Systems in Nearly-Linear Time. Submitted to ArXiv, 2013 [link]

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/7f-JOPlrFaU/130302125400.htm

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Friday, March 1, 2013

Apple holds annual shareholder meeting, Tim Cook talks competition, stock price, new product categories

Apple holds annual shareholder meeting

Apple?s annual shareholder?s meeting was held this morning at the company?s Cupertino headquarters. These meeting are to allow shareholders to ask questions of Apple?s leadership, as well as hold elections for the board of directors. According to CNBC, the entire board was reelected, Apple?s accounting firm was approved, and a proposal to establish a Human Rights board committee was defeated. Additionally, Bloomberg reports that Tim Cook received 99.1% investor approval as CEO.

Following the formal company business, the meeting was opened up to a Q&A. Questioned about Apple?s new headquarters, Cook said that Apple was planning on moving into that building at some point in 2016. This is due to a delays caused by some redesigns of some aspects of the new campus, as reported in November.

Cook also took questions about the competition, the stock price, and future products. Cook said that while market share is important, the actions that Apple could take to gain market share quickly would ultimately be bad for Apple. Reuters says that Cook is aware that shareholders are disappointed by the current stock price, and that focus should be on the long term, and revenue and profits following. On new products, Cook said that Apple is exploring ?new categories,? but did not elaborate on what those might be.

Source: CNBC, Bloomberg, Reuters, Reuters



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