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508 articles for “existing data”

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Research ArticleOpen accessAll words, across the recordHandling Web and Database Requests Using Fuzzy Rules for Anomaly Intrusion DetectionSelvamani Kadirvelu, Kannan ArputharajProblem statement: It is necessary to propose suitable detection and prevention mechanisms to provide security for the information contents used by the web application. Many prevention mechanisms which are currently available are not able to classify anomalous, random and normal request. This leads to the problem of false positives which is classifying a normal request as anomalous and denying access … …Journal of Computer Science, Vol. 7, Issue 2 · 25 Feb 2011 · 7,305 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordTHE SECURITY SURVEY AND ANAYLSIS ON SUPERVISORY CONTROL AND DATA ACQUISITION COMMUNICATIONA. Shahzad, S. Musa, A. Aborujilah, M. IrfanThe SCADA system connectivity with several open networks using internet facility brought SCADA platform more vulnerable from attacks/threads. Therefore, the detail security review has been conducted, to find the potential security issues which are residing and warming the SCADA communication and also existing potential security solutions that are used to protect the SCADA communication. However, Security deployments are the future … …Journal of Computer Science, Vol. 10, Issue 10 · 23 Jun 2014 · 7,643 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordInformation Hiding using Chaotic-Address SteganographyOla N. Kadhim, Zahir M. HussainIn this study, two techniques are introduced for imagesteganography in the spatial domain. These systems employ chaos theory to trackthe addresses of shuffled bits in steganography. The first system is based onthe well-known LSB technique, while the second system is based on a recentapproach that searches for the identical bits between the secret message andthe cover image. A modified logistic … …Journal of Computer Science, Vol. 14, Issue 9 · 27 Sep 2018 · 7,681 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordA REVIEW: INDUSTRIAL CONTROL SYSTEM (ICS) AND THEIR SECUITY ISSUESA. Shahzad, S. Musa, A. Aborujilah, M. IrfanIndustrial Control System (ICS) has been designed for critical infrastructure sectors and 90% of these systems are property/owaned and operated by private organizations. Industrial Control System (ICS) were designed to fulfill the basic requirements included system performance and reliability and other basic needs, related with real time transmission, without interlinking with networks (public/private) or/and internet connectivity. In this research, detail … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 24 Jun 2014 · 6,825 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordCreating a Geographical Information Systems-based Spatial Profile for Exploring Health Services Supply and DemandAbdulkader A. MuradProblem statement: GIS has several techniques and functions that can be used for health services planning. Each one of these functions can be applied for different health related issues. Approach: The first part of this study reviews the relevant GIS functions that are used by health care planning researches and identifies the advantages of using these functions. The second part … …American Journal of Applied Sciences, Vol. 8, Issue 6 · 13 Jun 2011 · 6,872 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordCache Based Distributed Query Processing in Mobile Ad hoc NetworksT. P. Andamuthu, P. BalasubramanieProblem statement: In the last few years, the evolution of the mobile networks leads to the query processing in mobile computing an impressive research area. The mobile computing technology needs to offer more and different innovative services as the number of users of the mobiles were increasing. In this regard, this study proposed a new algorithm which increased the performance … …Journal of Computer Science, Vol. 7, Issue 5 · 7 May 2011 · 6,758 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordData Extraction from Computer Acquired Images of a Given 3D Environment for Enhanced Computer Vision and its Applications in Kinematic Design of RobosK. SelvarajProblem statement: Literature review was mainly aiming at recognition of objects by the computer and to make explicit the information that is implicit in the attributes of 3D objects and their relative positioning in the 3D Environment (3DE) as seen in the 2D images. However quantitative estimate of position of objects in the 3DE in terms of their x, y … …Journal of Computer Science, Vol. 6, Issue 4 · 30 Apr 2010 · 6,948 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordDigital Video Watermarking in the Discrete Cosine Transform DomainSadik Ali M. Al-Taweel, Putra Sumari, Saleh Ali K. Alomari, Anas J.A. HusainProblem statement: Nowadays, digital watermarks have recently become recognized as a solution for protecting copyright of the digital multimedia. For a watermark to be useful, it must be perceptually invisible and robust against any possible attack and image processing by those who seek to corsair the material, researchers have considered various approaches like JPEG compression, geometric distortions and noising. Approach: … …Journal of Computer Science, Vol. 5, Issue 8 · 31 Aug 2009 · 7,246 accessesView PDFCite