Articles tagged with Internet
Researchers created an automated, enterprise-scale WiFi troubleshooting system that analyzes wireless protocol behavior, wired network services, and interactions between them. The system identifies the source of problems, such as media access dynamics and mobility management latency, and provides immediate solutions.
Computer scientists at UC San Diego create a new algorithm to generate annotated Internet router graphs, mimicking key features of the Internet. The technique allows researchers to experiment with different network topologies and test the sensitivity of various techniques.
A novel peer-to-peer video sharing application is being used to explore a next-generation model for safe and legal electronic commerce. The platform rewards users for uploading content, allowing them to download faster and more securely. Researchers envision a global marketplace where bandwidth is the primary currency.
Researchers at UCSD have designed a new algorithm that enables distributed rate limiting to enforce global bandwidth rate limits and dynamically shift allocations based on current network demand. The flow proportional share algorithm uses TCP to estimate bandwidth demand, providing fairness and practicality for deployment nationwide.
HIV denialists are spreading misinformation about HIV/AIDS, which can have severe consequences. The scientific community has established that HIV is the cause of AIDS, but denialist groups continue to promote false ideas, putting people at risk of infection and seeking ineffective treatments.
A new digital watermarking system protects music and media files from online pirates while ensuring high-quality playback for legitimate users. The system, developed by researchers at the University of Ottawa, embeds an image within the audio file to prevent piracy without compromising sound quality.
A new study by UC-San Diego computer scientists found that 94% of spam-advertised online scams are hosted on individual web servers, not hundreds or thousands of compromised computers. The researchers used a new internet monitoring approach to analyze over one million spam emails and identified the hosting servers for these scams.
University of Washington scientists track six penguins' movements using satellite technology to model energy requirements, understand breeding habits, and assess impact of human activities on their migration route. The project aims to improve conservation efforts for the Magellanic Penguin species.
A research team used Data Envelopment Analysis to evaluate the success of internet shops, finding that efficient websites like Jcrew and Abercrombie can serve as role models for less effective sites. By reducing inputs or increasing outputs, these non-efficient sites can improve their performance and competitiveness.
A new search engine mashup uses intelligent virtual robots to scan data quickly, assessing keywords and context, and combining it with meta search tools to retrieve relevant results. This approach improves the precision rate and recall rate of traditional search engines.
The GBIF Data Portal offers instant mapping and plotting of biodiversity data on Google Earth, facilitating ecological studies and predicting species response to climate change. The portal is expected to significantly increase the number of participating institutions, making global biodiversity data freely available worldwide.
Researchers at Rensselaer Polytechnic Institute and AT&T Labs found that treating all traffic identically would need an extra 60% capacity in modestly loaded networks, increasing to 100% or more during heavy demand. This suggests that differentiated services are more efficient and cost-effective.
A team of researchers successfully linked surgeons to robots via a 4,000-mile satellite connection, improving the quality of minimally invasive surgery. The study found that virtual reality prediction would greatly aid this type of surgery, paving the way for new efficient healthcare services.
The University of Arizona's HiRISE team has released over 1,200 Mars images to the Planetary Data System, making them available to the public through a user-friendly viewer tool. The images reveal hundreds of important discoveries about Mars, including crater impacts and dust avalanches.
Research reveals that online research largely replaces in-dealership price negotiations and test drives. Online information sources have become the most widely used, substituting traditional sources such as Consumer Reports. This shift implies a better-informed buyer who is ready to negotiate.
A new project by Carnegie Mellon University aims to boost book digitization efforts by using reCAPTCHAs to correct OCR mistakes and improve internet security. The system, developed by Luis von Ahn, uses words from troublesome passages to replace artificially distorted letters and numbers in CAPTCHAs.
The journal Contemporary Islam: Dynamics of Muslim Life discusses the impact of the internet on Islamophobia, including the spread of anti-Islamic opinions and the use of new technologies to combat it. The first issue explores topics such as re-imagining Islam through recent global events and personal autonomy of women in Morocco.
Despite challenges such as password issues and internet outages, African postgraduate doctors are making regular use of online medical literature. Textbooks remain a central source of information for many, but 66% have used the Internet for health information in the last week.
A study by The Miriam Hospital found that web-based intervention programs for inactive adults were just as effective as traditional programs in increasing physical activity. Participants reported approximately 120 minutes of physical activity per week, with a 5.2% improvement in fitness over six months.
A recent survey of over 250,000 people from around the world has shed light on sex differences in brain function and behavior. The study found that men and women exhibit distinct patterns in mental abilities, with men scoring higher in visual-spatial tasks but women excelling in object location memory.
The Globus MEDICUS project is recognized for its potential to enable advanced healthcare by securely exchanging bandwidth-intensive medical resources and images. The project aims to create a technological platform for seamless communication between healthcare providers, researchers, and patients.
Researchers at Carnegie Mellon University have developed the TeRK robot kit, allowing users to build sophisticated internet-connected robots using off-the-shelf parts. The kits feature a Qwerk controller and recipes that enable customization and extension, making highly capable robots accessible to a wide range of users.
A Chinese online tool for assessing depression has been found to be both accurate and reproducible, offering a potential solution for identifying the growing number of people suffering from depression. The Internet-based Self-assessment Program for Depression (ISP-D) was tested on 579 subjects, revealing that 31% had major depressive d...
A new P2P system, Similarity-Enhanced Transfer (SET), can significantly speed up music and movie downloads by leveraging similarities between files. By identifying relevant chunks of files, SET greatly increases the number of potential sources for downloads.
Researchers at Harvard University and BBN Technologies are creating a city-wide wireless sensor network called CitySense, the world's first of its kind. The network will focus on monitoring air pollution and weather conditions, collecting data on a scale never before attempted.
Researchers discovered that power-law distributions are common in various systems, including the internet, due to the 'rich get richer' effect. This phenomenon can be influenced by tradeoffs between network distance and connection numbers.
The UCSD system uses a clever image indexing technique that allows it to cover larger collections of images at a lower computational cost. It outperforms existing approaches in terms of annotation and retrieval accuracy, as well as efficiency.
The Digital Locke Project has made John Locke's first texts available online, with a digital critical edition and search functionality. The project aims to produce a definitive text of Locke's work, building on previously rediscovered manuscripts.
A study by Oxford Internet Institute researchers highlights the challenges of finding credible scientific sources on the web. The findings suggest that search engines play a significant role in shaping access to information, with some topics experiencing more central roles than others.
A University of Alberta study reveals that older adults feel less confident about their computer knowledge due to memory issues and health problems. The research highlights the importance of adapting computer technology to accommodate vision, hearing, and motor skills impairments.
A new online book, 'When Grandpa Comes Home: A Story About Stroke,' is now available to help children understand the causes and effects of a stroke. The illustrated book, written by a student intern and artist, aims to reduce fear and uncertainty in kids who witness a family member's stroke.
The new program aims to redesign the Internet with secure corporate networks like Ethane, wireless spectrum allocation optimization, and high-efficiency optical switches. Stanford researchers aim to create a fresh start for the Internet with innovative solutions.
A University of Florida study found that abandoning net neutrality discourages internet service improvements, with broadband providers collecting fees from content providers. The study suggests that consumers who pay for preferential treatment will have faster loading times, while those who don't may experience slower speeds.
A national survey of commercial health plans found that most private plans provide online provider directories and educational information about mental health and substance abuse. However, only two percent offered online counseling services, highlighting the need for increased investment in behavioral health resources.
A recent survey in Peru found that men who have had anal sex without a condom in an internet café were more likely to meet their partners online. This raises concerns about the use of internet cafés as a venue for unsafe sex and potential HIV transmission.
Researchers developed Photo Tourism software that maps multiple photos into a 3D virtual world, solving the problem of navigating large photo collections. The technology has potential for real estate, museums, hotels, archaeologists, biologists, military, and sports enthusiasts to create interactive visual representations.
A recent study found that engaging in various online behaviors is linked to online interpersonal victimization, with talking to strangers being a significant risk factor. The survey analyzed data from over 1,400 teens and found that sharing personal info or making rude comments online were not as harmful as previously thought.
The Sistema Interamericano de Metrologia (SIM) network enables faster time comparisons between countries, allowing small nations to evaluate their measurements against world standards. National metrology institutes in member OAS nations participate in the network, which currently compares times between Brazil, Canada, Mexico, and the US.
Most fertility clinics fail to adhere to advertising guidelines, leading to potential misinformation for patients. Private clinics were more likely to publish success rates and use comparative marketing, but often failed to provide accurate information.
PLoS ONE is launched by the Public Library of Science, a new open-access journal that employs pre- and post-publication peer review. The first issue features 100 peer-reviewed articles covering various topics, including evolution, rabies control, mimicry, and Alzheimer's disease.
Researchers have conducted virtual reprises of Stanley Milgram's classic obedience experiment, demonstrating that participants react as though the situation is real. The study shows that immersive virtual environments can provide an alternative way of pursuing laboratory-based experimental research.
A Florida State University study found that 31% of workers experienced supervisor abuse, leading to increased exhaustion, job tension, and mistrust. Employees who stay visible at work and maintain an optimistic outlook are better equipped to minimize the harm caused by abusive supervisors.
The study found that 43% of Internet users feel strongly about their virtual communities compared to their real-world ones. Online communities lead to offline actions and social activism, with a significant majority logging in daily.
A study found that one-third of Ugandan adolescents use the internet for health-related information, while another third would go online to learn about HIV/AIDS if it were free. The findings suggest initiatives improving online access and tailored content for young people could make a difference in Africa.
A standardized way to evaluate the risk posed by someone who collects kiddie porn on the Internet is still in development. Forensic psychiatrists face challenges in assessing the possession of internet child pornography without offending or predicting future abuse.
Research found that fairness judgments about fluctuating prices depend on time and price-setting involvement. Consumers perceive unfair prices when they're not involved in setting the price or experience rapid price changes.
A recent study by Indiana University researchers found that up to 14% of targeted internet users respond to phishing attacks, revealing a much higher success rate than previously reported. Simulated phishing tactics were used to elicit online information from eBay customers, highlighting the need for increased awareness and vigilance.
A new study by The Miriam Hospital and Brown Medical School found that daily weighing and taking quick action when needed can significantly help dieters maintain weight loss. Participants who weighed themselves daily had an 82% reduction in the odds of regaining five or more pounds compared to those who did not weigh daily.
Researchers found that tailored dietary advice delivered through an internet shopping system led to participants buying foods lower in saturated fat. This study demonstrates the potential of low-cost technologies to motivate users to change their behavior.
The study identifies two techniques for combating spam: improving Internet routing infrastructure security and developing algorithms to identify botnets. The researchers found that network-level properties, such as route hijacking, can be used to identify spammers and improve spam filtering.
A new CD-ROM containing more than 40 selected chapters from the HIV InSite Knowledge Base is being released to provide comprehensive HIV information in the developing world. The disk features a wide range of topics, including natural science, diagnosis and clinical management, transmission and prevention.
UK doctors report a case where a patient's vision was severely damaged by taking prednisolone purchased online for four years. The authors highlight the risks of counterfeit and unregulated medications sold on the internet, which may interact with other treatments or have side effects.
A team of computer scientists calls for an interdisciplinary approach to tap the Web's full richness, exploring its social and policy implications while ensuring trustworthiness and respect for boundaries. The 'science of the Web' aims to bring informative resources to the Web through enhanced searchability and usability.
A study by University of Illinois Chicago researchers found a significant correlation between the rise of video games and internet use, as well as rising fuel prices, and a decline in U.S. national park visits. The study suggests that increased home entertainment activity may be contributing to a decrease in outdoor activities.
Internet addiction is increasingly affecting people's lives, leading to negative consequences such as divorce and physical symptoms like cyber shakes. Recognizing this addiction will allow for appropriate treatment, enabling therapists to address technological addictions and their associated issues.
Vanderbilt engineers are working on software to enhance military commanders' communication capabilities using the Global Information Grid. The GIG includes various networks, from internet to satellite communications, and the software aims to integrate these resources effectively.
Research suggests that the Internet can provide essential social support for isolated adolescents and improve academic achievement in low-income youth. However, online interactions may also normalize self-destructive behaviors and expose vulnerable individuals to potentially damaging communities. Additionally, the Internet has been fou...
A software framework called PERM allows neighbors to pool their internet access, enhancing connectivity without additional costs. The framework uses flow-scheduling algorithms to select the best connection and ensures mutual benefit, security, and privacy for registered users.
Researchers create new spam that tricks users into clicking on links or downloading attachments. The next generation of spam could be camouflaged as email from colleagues, friends, and even mimic patterns used by them.
TEEVE enables cost-effective cyberspace communication with full-body size views, suitable for training, entertainment, and healthcare applications. Researchers have tested the technology with dancers, achieving exciting results, and plan to expand its use in education, remote healthcare, and elderly care.