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137 articles for “Access control”
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Research ArticleOpen accessIn the abstractThe Use of Chatgpt by Pediatric Physicians in the Management of Childhood Asthma in the City of Marrakech (Morocco)Maryem Labyad, Ghizlane Draiss, Karima El Fakiri et al.Pediatric asthma is a chronic disease requiring continuous management, where digital tools, such as ChatGPT, are beginning to play a vital role, in optimizing physicians' efficiency, reducing their workload, and improving communication with patients. However, its integration raises questions about the accuracy of the information provided and data security. In addition, the use of ChatGPT in clinical practice remains little … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 28 Jan 2025 · 4,733 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Fast-and-Fair Collision Resolution Protocol Tailored for Ad Hoc Wireless NetworksMarcos F. Caetano, Lucas M. Guimaraes, Jacir L. BordimWireless technologies have permeated a significant number of devices over the years. On the other hand, Medium Access Control (MAC) protocols strive to deal with an increasing number of contending nodes on crowded frequency bands. This work presents an efficient medium access control resolution protocol. The proposed protocol, termed Collision Resolution Protocol (CRP), uses pulse/tone signaling that works in both … …Journal of Computer Science, Vol. 12, Issue 8 · 1 Nov 2016 · 7,145 accessesView PDFCite
Research ArticleOpen accessIn the abstractEmbedded Software Platform Used for Detection and Mitigation of a MAC Anomaly in IEEE 802.11n NetworksArgemiro Bevilacqua, Vitor Chaves de Oliveira, Gunnar Bedicks Jr. et al.IEEE 802.11 standard is largely used anywhere as a cheap way to access internet, but the majority of devices used does not provide a standard way to manage them. Mobile stations competing for access point may causes a general wireless network failure, known as the ''MAC Anomaly''. It is presented here an access point with modified firmware, that monitors wireless … …American Journal of Applied Sciences, Vol. 12, Issue 12 · 21 Nov 2015 · 6,517 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluences of Feed Additives on in vitro Volatile Fatty Acid ProductionA. V. Duncan, A. Woldeghebriel, C. Privott et al.This study investigated effects of the feed additives nitrate and fumarate alone or in combination on in vitro Volatile Fatty Acid (VFA) production. Rumen fluid was collected from Holstein-Friesian cattle averaging 650 kg in BW (body weight) offered 11.4 kg d-1 per animal of concentrate diet containing equal amounts of soybean meal, whole cottonseed and ground corn once a day … …American Journal of Animal and Veterinary Sciences, Vol. 10, Issue 1 · 30 Dec 2014 · 7,232 accessesView PDFCite
Research ArticleOpen accessIn the abstractENHANCING THE PERFORMANCE OF ADVANCED FINE-GRAINED GRID AUTHORIZATION SYSTEMMaizura Ibrahim, Hamidah Ibrahim, Azizol Abdullah, Rohaya LatipGrid computing is a system that coordinates distributed resources using standards, open, general purpose protocols and interfaces to provide nontrivial quality of services. Usage Control model (UCON) is a new emerging authorization framework that combined features of traditional access control, trust management and digital right management in one abstraction. Adoption of UCON improved the fine-grain of grid authorization policy. The … …Journal of Computer Science, Vol. 10, Issue 12 · 29 Dec 2014 · 8,676 accessesView PDFCite
Research ArticleOpen accessIn the abstractMETADATA DRIVEN EFFICIENT KEY GENERATION AND DISTRIBUTION IN CLOUD SECURITYR. Anitha, Saswati MukherjeeWith rapid development of cloud computing to a greater extent IT industries outsource their sensitive data at cloud data storage location. To keep the stored data confidential against untrusted cloud service providers, a natural way is to store only encrypted data in the cloud severs and providing an efficient access control mechanism using a competent cipher key-Cmxn, which is becoming … …Journal of Computer Science, Vol. 10, Issue 10 · 12 May 2014 · 6,629 accessesView PDFCite
Research ArticleOpen accessIn the abstractCost-Effective Wire-Harness Model by Using Polymer Optical FiberMohammad Syuhaimi Ab-Rahman, Farshad Nasimi KhamenehIn the past decade automotive industries faced the exponential increase of in-vehicle electronic devices. The hydraulic systems are replacing with sophisticate electronic systems. Market demands for exploiting new in-vehicle technologies such as multimedia systems, internet access, GPS, Mobile communication, internal private network; engine, body and power train intelligent control and monitoring systems are increasing daily. These new needs make the … …Journal of Computer Science, Vol. 9, Issue 7 · 25 Jun 2013 · 7,025 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrevention of Spoofing Attacks in the Infrastructure Wireless NetworksWesam S. Bhaya, Samraa A. AlAsadyProblem statement: Spoofing Attack is one of the vulnerabilities in the wireless networks, which is a situation in which the intruder successfully masquerades as legal one. Spoofing Attacks will decrease the performance of the network and violate many security issues. In the networks that use MAC address based filtering approach to authenticate the clients, the spoofer just needs to get … …Journal of Computer Science, Vol. 8, Issue 10 · 4 Sep 2012 · 7,844 accessesView PDFCite
Research ArticleOpen accessIn the abstractHistory Based Probabilistic Backoff AlgorithmNarendran Rajagopalan, C. MalaPerformance of Wireless LAN can be improved at each layer of the protocol stack with respect to energy efficiency. The Media Access Control layer is responsible for the key functions like access control and flow control. During contention, Backoff algorithm is used to gain access to the medium with minimum probability of collision. After studying different variations of back off … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 3 · 29 Aug 2012 · 7,666 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Stringent Authorization using Principles and Policy for Grid ComputingA. R. Jayasudha, T. PurusothamanProblem statement: The current information security mechanisms are insufficient to address authorization issues. The access control models today are mostly static and they are not wellsuited for the service-oriented environments where information access is dynamic in nature. Traditional authorization security techniques do not directly address these concerns as they primarily use access control lists for authorization, where the user whose … …Journal of Computer Science, Vol. 7, Issue 8 · 8 Aug 2011 · 6,638 accessesView PDFCite