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ScienceDaily: Computer Programming News
Computer Programming Research. Read current computer science articles on everything from computer programs to detect cancer genes and control vehicle maintenance to embedded software.
Robots will quickly recognize and respond to human gestures, with new algorithms
New intelligent algorithms could help robots to quickly recognize and respond to human gestures. Researchers have created a computer program which recognizes human gestures quickly and accurately, and requires very little training.
Indoor navigation system for blind
A computer science engineering team has developed an indoor navigation system for people with visual impairments. The researchers have explained how a combination of human-computer interaction and motion-planning research was used to build a low-cost accessible navigation system, called Navatar, which can run on a standard smartphone.
Google goes cancer: Search engine algorithm finds cancer biomarkers
The strategy used by Google to decide which pages are relevant for a search query can also be used to determine which proteins in a patient's cancer are relevant for the disease progression.
Internet usage patterns may signify depression
In a new study analyzing Internet usage among college students, researchers have found that students who show signs of depression tend to use the Internet differently than those who show no symptoms of depression.
Elusive capacity of networks: Calculating data network's total capacity notoriously difficult, but theorists making some headway
In its early years, information theory was dominated by research on error-correcting codes: How do you encode information so as to guarantee its faithful transmission, even in the presence of the corrupting influences engineers call "noise"? Recently, one of the most intriguing developments in information theory has been a different kind of coding, called network coding, in which the question is how to encode information in order to maximize the capacity of a network as a whole. For information theorists, it was natural to ask how these two types of coding might be combined: If you want to both minimize error and maximize capacity, which kind of coding do you apply where, and when do you do the decoding?
Self-adapting computer network that defends itself against hackers?
Cybersecurity experts are researching the feasibility of building a computer network that could protect itself against online attackers by automatically changing its setup and configuration.
Computer scientists show what makes movie lines memorable
Researchers who applied computer analysis to a database of movie scripts think they may have found the secret to a memorable movie line - use familiar sentence structure but incorporate distinctive words or phrases, and make general statements that could apply elsewhere.
'Game-powered machine learning' opens door to Google for music
Engineers have shown that a computer can be taught to automatically label every song on the Internet using sets of examples provided by unpaid music fans. The researchers report that their solution, "game-powered machine learning," would enable music lovers to search every song on the web.
Simulating reality: Less memory required on quantum computer than on classical computer, study shows
Simulations of reality would require less memory on a quantum computer than on a classical computer, new research has shown. The study demonstrates a new way in which computers based on quantum physics could beat the performance of classical computers.
Thwarting the cleverest attackers: Even most secure-seeming computer is shockingly vulnerable to attack
Savvy hackers can steal a computer's secrets by timing its data storage transactions or measuring its power use. New research shows how to stop them.
Dynamic view of city created based on Foursquare check-in data
The millions of "check-ins" generated by Foursquare, the location-based social networking site, can be used to create a dynamic view of a city's workings and character, researchers say. In contrast to static neighborhood boundaries and dated census figures, these "Livehoods" reflect the ever-changing patterns of city life.
Website security: Spot a bot to stop a botnet
Computer scientists have developed a two-pronged algorithm that can detect the presence of a botnet on a computer network and block its malicious activities before it causes too much harm.
What online social networks may know about non-members
What can social networks on the internet know about persons who are friends of members, but have no user profile of their own? Researchers have just studied this question. Their work shows that through network analytical and machine learning tools the relationships between members and the connection patterns to non-members can be evaluated with regards to non-member relationships. Using simple contact data, it is possible, under certain conditions, to correctly predict that two non-members know each other with approx. 40 percent probability.
Looking good on Facebook
A European study of students using online social networking shows that users tend to make new connections via their own more attractive friends regardless of whether they are male or female.
Not all today's students are 'tech-savvy'
A small minority of today’s university students don’t use email and others are confused by the array of technologies available at universities. Yet many students couldn’t bear to be without their mobile phones and find themselves distracted by social networking sites during study.
Efficiency of multi-hop wireless networks boosted
Multi-hop wireless networks can provide data access for large and unconventional spaces, but they have long faced significant limits on the amount of data they can transmit. Now researchers have developed a more efficient data transmission approach that can boost the amount of data the networks can transmit by 20 to 80 percent.
It's the network: Ever wonder why your friends have more friends than you or diamond is harder than graphite?
Networks governing processes in nature and society are becoming increasingly amenable to modeling, forecast and control. A new article establishes relationships between seemingly disparate topics such as the friendship paradox -- by which our friends have on average more friends than we do -- and why carbon can result in a hard diamond or the softer material graphite.
Game of go: A complex network
Could computers ever beat the best 'go' players? Although unthinkable at this stage, this could soon become possible, thanks to theorists. For the first time, scientists have applied network theory to a game of strategy.
'Sounds of silence' proving a hit: World's fastest random number generator
Researchers in Australia have developed the fastest random number generator in the world by listening to the 'sounds of silence'. The researchers have tuned their very sensitive light detectors to listen to vacuum -- a region of space that is empty.
Android vulnerability debugged
Researchers have discovered and neutralized a serious vulnerability present in all versions of Android, the popular operating system developed by Google specifically for smartphones and tablet computers. The vulnerability could have been easily exploited by malicious software applications, with the effect of making devices based on Google's operating system currently on the market completely unusable.
Grid-based computing to fight neurological disease
Grid computing, long used by physicists and astronomers to crunch masses of data quickly and efficiently, is making the leap into the world of biomedicine. Researchers have networked hundreds of computers to help find treatments for neurological diseases such as Alzheimer's. They are calling their system the 'Google for brain imaging.'
Chips as mini Internets: Data-routing techniques that undergird Internet could increase efficiency of multicore chips
The data-routing techniques that undergird the Internet could increase the efficiency of multicore chips while lowering their power requirements. Today, a typical chip might have six or eight cores, all communicating with each other over a single bundle of wires, called a bus. With a bus, however, only one pair of cores can talk at a time, which would be a serious limitation in chips with hundreds or even thousands of cores, which many electrical engineers envision as the future of computing.
Identical DNA codes discovered in different plant species
Researchers solved a major biological question by using a groundbreaking computer algorithm to find identical DNA sequences in different plant and animal species.
Quantum computer built inside a diamond
A team of scientists has built a quantum computer in a diamond, the first of its kind to include protection against "decoherence" -- noise that prevents the computer from functioning properly.
Computer scientist leads the way to the next revolution in artificial intelligence
Scientists have taken Alan Turing's work to its next logical step, translating her 1993 discovery into an adaptable computational system that learns and evolves way much more like our brains do.
Self-sculpting sand: Heaps of 'smart sand’ could assume any shape, form new tools or duplicatie broken parts
New algorithms could enable heaps of "smart sand" that can assume any shape, allowing spontaneous formation of new tools or duplication of broken mechanical parts.
National study ranks city governments' use of social media
Six times as many big-city governments reached citizens via Facebook in 2011 compared to 2009. Use of YouTube and Twitter grew fourfold and threefold respectively. Researchers ranked the online interactivity, transparency and accessibility of the 75 largest U.S. cities.
To combat identity theft, protect computer, experts say
Having a triple-threat combination of protective software on your computer greatly reduces your chances of identity theft, according to a new study.
Robot reconnoiters uncharted terrain
Mobile robots have many uses. They serve as cleaners, carry out inspections and search for survivors of disasters. But often, there is no map to guide them through unknown territory. Researchers have now developed a mobile robot that can roam uncharted terrain and simultaneously map it – all thanks to an algorithm toolbox.
New robots can continuously map their environment with low-cost camera
Robots could one day navigate through constantly changing surroundings with virtually no input from humans, thanks to a system that allows them to build and continuously update a three-dimensional map of their environment using a low-cost camera such as Microsoft's Kinect.
Video games lead to new paths to treat cancer, other diseases
The cure for cancer comes down to this: video games. Scientists have made highly realistic video game images that simulate the inner workings of human cells. Playing these 'games' helps medical researchers see exactly how cells live, divide and die. The research opens new paths for tumor-killing drugs to treat cancer and other diseases.
Chemist applies Google software to webs of the molecular world
The technology that Google uses to analyze trillions of Web pages is being brought to bear on the way molecules are shaped and organized. Scientists have adapted Google's PageRank software to create moleculaRnetworks, which scientists can use to determine molecular shapes and chemical reactions without the expense, logistics and occasional danger of lab experiments.
Sound rather than sight can activate 'seeing' for the blind, say researchers
Scientists have tapped onto the visual cortex of the congenitally blind by using sensory substitution devices (SSDs), enabling the blind in effect to "see" and even describe objects. SSDs are non-invasive sensory aids that provide visual information to the blind via their existing senses. For example, using a visual-to-auditory SSD in a clinical or everyday setting, users wear a miniature video camera connected to a small computer (or smart phone) and stereo headphones. The images are converted into "soundscapes," using a predictable algorithm, allowing the user to listen to and then interpret the visual information coming from the camera.
Scientists develop biological computer to encrypt and decipher images
Scientists have developed a "biological computer" made entirely from biomolecules that is capable of deciphering images encrypted on DNA chips.
Grading the online dating industry
The report card is in, and the online dating industry won't be putting this one on the fridge. A new scientific report concludes that although online dating offers users some very real benefits, it falls far short of its potential.
Artificial intelligence: Getting better at the age guessing game
The active learning algorithm is faster and more accurate in guessing the age of an individual than conventional algorithms.
Harnessing the predictive power of virtual communities
Scientists have created a new algorithm to detect virtual communities, designed to match the needs of real-life social, biological or information networks detection better than with current attempts.
Facebook is a community
Researchers in Italy have used two high-speed computer algorithms to analyze the connections between a large sub-set of the more than half a billion users of the social networking site Facebook to reveal that the system has a very strong structure. The study shows that Facebook has a well-defined community structure that follows a statistical power law in which there are a huge number of people with few connections and a much smaller number with a large number of connections.
Sensing technology: Motherboard monitoring inspired by the immune system
The prevalence of computer networks for sharing resources places increasingly high requirements on the reliability of data centers. The simplest way to diagnose abnormalities in these systems is to monitor the output of each component but this is not always effective.
Faster-than-fast Fourier transform
Researchers have developed a new algorithm that, in a large range of practically important cases, improves on the fast Fourier transform. Under some circumstances, the improvement can be dramatic -- a tenfold increase in speed. The new algorithm could be particularly useful for image compression, enabling, say, smartphones to wirelessly transmit large video files without draining their batteries or consuming their monthly bandwidth allotments.
Zappos breach goes beyond credit cards: Consumers face identity theft if hackers correlate other penetrated databases
An expert comments on the Zappos web site breach by hackers. He said that information about a customer can be used to 'de-anonymize' other databases on other Web sites, further invading customer privacy.
Gaming technology for calculating floods
Norwegian researchers have borrowed a page from game developers to devise simulation technology that can save lives in many parts of the world by helping to reduce the damage from catastrophic floods.
Cyber project looks to help IT professionals with DNS vulnerabilities
Computer scientists have developed a visualization tool known as DNSViz to help network administrators within the federal government and global IT community better understand Domain Name System Security (DNSSEC) and to help them troubleshoot problems.
Smart way of saving lives in natural disasters
Smartphones could help save hundreds of thousands of lives in the aftermath of a disaster or humanitarian crisis, new research has found.
Crucial advances in 'brain reading' demonstrated
A new study demonstrates several crucial advances in "brain reading" or "brain decoding" using computerized machine learning methods. Researchers classified data taken from people being scanned while watching videos meant to induce nicotine cravings and detected whether people were watching and resisting cravings, indulging in them, or watching videos that were unrelated to smoking or cravings.
Protecting computers at start-up: New guidelines
A new draft computer security publication provides guidance for vendors and security professionals as they work to protect personal computers as they start up.
Computer vision research: Do you see what I see?
A question confronting neuroscientists and computer vision researchers alike is how objects can be identified by simply "looking" at an image. But teaching a computer to "know" what it's looking at is far harder. Scientists have now modeled human brain structure to develop better programming approaches for computer object identification.
Simple test to help diagnose bowel and pancreatic cancer could save thousands of lives
A simple online calculator could offer family GPs a powerful new tool in tackling two of the most deadly forms of cancer, say researchers.
The Internet Protocol IPv6: A universal language
We are at the dawn of the age of IPv6, the Internet protocol that will succeed version 4, experts say. With 340 undecillion available addresses, IPv6 ensures that the Internet can continue growing and offers advantages in terms of stability, flexibility, and simplicity in network administration.
World record for one-loop calculations
Physicists have significantly improved the calculation method for scattering experiments in particle physics. This kind of calculation is used to predict the outcome of accelerator experiments in which high-energy particles collide with one another. However, the calculations become increasingly difficult the greater the number of orders the physicists wish to calculate. Scientists have now developed an algorithm which is far faster and requires less computing capacity than other algorithms.
Swiss scientist prove durability of quantum network
Scientists and engineers have proven the worth of quantum cryptography in telecommunication networks by demonstrating its long-term effectiveness in a real-time network. Their international network, created in collaboration with ID Quantique and installed in the Geneva metropolitan area and crossing over to the site of CERN in France, ran for more than one-and-a-half years from the end of March 2009 to the beginning of January 2011.
At a crossroads: New research predicts which cars are likeliest to run lights at intersections
Researchers have developed an algorithm that predicts which cars are likeliest to run lights at intersections.
Kilobots are leaving the nest: Swarm of tiny, collaborative robots will be made available to researchers, educators, and enthusiasts
The Kilobots are coming. Computer scientists and engineers have developed and licensed technology that will make it easy to test collective algorithms on hundreds, or even thousands, of tiny robots.
Human, artificial intelligence join forces to pinpoint fossil locations
Traditionally, fossil-hunters often could only make educated guesses as to where fossils lie. The rest lay with chance. But thanks to a new software model, fossil-hunters' reliance on luck when finding fossils may be diminishing. Using artificial neural networks, researchers developed a computer model that can pinpoint productive fossil sites.
Galaxy DNA-analysis software is now available 'in the cloud'
Galaxy -- an open-source, web-based platform for data-intensive biomedical and genetic research -- is now available as a "cloud computing" resource. The new technology will help scientists and biomedical researchers to harness such tools as DNA-sequencing and analysis software, as well as storage capacity for large quantities of scientific data.
Could social media be used to detect disease outbreaks?
New research has looked at whether social media could be used to track an event or phenomenon, such as flu outbreaks and rainfall rates.
Fighting violent gang crime with math
Mathematicians working with the Los Angeles Police Department to analyze crime patterns have designed a mathematical algorithm to identify street gangs involved in unsolved violent crimes -- the first scholarly study of gang violence of its kind.
Three key questions for the IT industry
Today’s multicore processors are not being utilized in a sufficiently intelligent way. They get too hot and run slowly because they are used inefficiently. At the same time, transistors are becoming so small that they will ultimately become unreliable. Major research organizations are now attempting to create a revolution in computer architecture.
'First step' to perfect drug combinations
Scientists have discovered a way of speeding up the creation of perfect drug combinations, which could help patients recovering from critical health problems such as stroke, heart attacks and cancer.
Aggregating bandwidth for faster mobile networks
A new study reveals that the value of mobile spectrum, the capacity to transfer data across mobile networks, is only likely to increase as the demand for data transfer increases. However, it is only those telecommunications companies that bought up in government auctions the inexpensive licenses to operate at particularly frequencies of the spectrum that will be in strong position to dominate in the consumer and enterprise markets.
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