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26 articles for “partitioned”
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Research ArticleOpen accessEvery word in the titleUtility Independent Privacy Preserving Data Mining on Vertically Partitioned DataE. Poovammal, M. PonnavaikkoProblem statement: Driven by mutual benefits, or by regulations that require certain data to be published, there has been a demand for the exchange and publication of data among various parties. Data publishing has been ubiquitous in many domains such as medical, business and education. Detailed person-specific data, present in the centralized server or in the distributed environment, in its … …Journal of Computer Science, Vol. 5, Issue 9 · 30 Sep 2009 · 6,835 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformances of Partition Utility Accrual Real Time Scheduling AlgorithmIdawaty Ahmad, Shamala Subramaniam, Mohamed Othman, Zuriati ZulkarnainProblem statement: This study proposed a TUF/UA real time scheduling algorithm known as Partition Preemptive Utility Accrual Scheduling (PUAS) also known as PPUAS algorithm. This algorithm addressed the overloaded problem that was identified in a uniprocessor scheduling environment and the necessity to design the scheduling algorithm in a multiprocessor environment. Approach: The PUAS algorithm was enhanced into the partitioned multiprocessor … …Journal of Computer Science, Vol. 8, Issue 8 · 12 Jul 2012 · 7,009 accessesView PDFCite
Research ArticleOpen accessIn the abstractGastroprotective Effects of β-sitosterol and β-sitosterol-3-O-β-D-glucopyranoside from Bridelia ferruginea Stem BarkEjike Marcellus Nnamani, Peter Achunike Akah, Charles Ogbonnaya Okoli et al.The methanol extract of Bridelia ferruginea Benth. (Euphorbiaceae) stem bark (BFME) was partitioned in chloroform-methanol-water (2:2:1) mixture to obtain the Chloroform (CF) and Aqueous Methanol (AMF) fractions. The BFME, CF and AMF were screened for antiulcer activity using indomethacin-induced ulcer as activity guide. The CF provided the highest gastroprotection and was subsequently fractionated in a silica gel (60-200 mesh) column … …American Journal of Pharmacology and Toxicology, Vol. 15, Issue 1 · 4 Jan 2021 · 7,784 accessesView PDFCite
Case ReportOpen accessIn the abstractQuery Optimization on Distributed Database Dengue Fever by Minimizing Attribute InvolvementSlamet Sudaryanto Nurhendratno, Sudaryanto, Fikri Budiman, Maryani SetyowatiQuery optimization is an important task in a client/server environment of a distributed database, whereas a health epidemiologist data distribution based on DBD data on Geographic Information Systems (GIS). A proper method for a particular query process function is needed to generate query optimization on a distributed database. The query process requires important attention especially in distributed databases because the … …Journal of Computer Science, Vol. 14, Issue 4 · 7 Apr 2018 · 8,327 accessesView PDFCite
Research ArticleOpen accessIn the abstractMicrowave Assisted Regioselective Synthesis and Biological Evaluation of Pyrano[2,3-c]Pyridine Derivatives Utilizing DMAP as a CatalystAsmaa M. FahimRegioselective facile production of pyrano[2,3-c]pyridine through multicomponent reaction of aromatic aldehydes, ethyl cyano acetate or malononitrile and C-H activated compound of 3-hydroxy picolinic acid in the occurrence of smaller amount of DMAP catalyst utilizing microwave apparatus, which is green and simple environmentally with high yield, recyclability catalyst. Totally the products were partitioned for antimicrobiogical action; it was detected that were … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 14 Dec 2017 · 8,019 accessesView PDFCite
Research ArticleOpen accessIn the abstractSegmentation of Exudates via Color-based K-means Clustering and Statistical-based ThresholdingAtef Zaki Ghalwash, Aliaa Abdel-Halim Youssif, Ali Mohamed Nabil AllamThis paper provides a novel approach for the problem of detecting the yellowish lesions in the eye fundus images, such as hard and soft exudates, in a fully-automated manner. To solve this problem of segmenting exudates automatically, the fundus image was first converted into the L*a*b* color space to decouple the chromaticity information of the image. Next, the fundus image … …Journal of Computer Science, Vol. 13, Issue 10 · 14 Oct 2017 · 7,725 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioaccumulation and Tissue Partitioning of Endosulfan by the Red Hybrid TilapiaDwight E. RobinsonThe frequent use of endosulfan in agricultural activity on steep slopes in Jamaica and subsequent contamination of rivers by the residues resulted in a need to assess the levels of bioaccumulation of sub-lethal doses of the insecticide in river fauna using Tilapia fish as a test subject. Bioconcentration of α- and β-endosulfan by the Red Hybrid Tilapia, from 0.0075 mg … …OnLine Journal of Biological Sciences, Vol. 15, Issue 3 · 29 Jun 2015 · 7,060 accessesView PDFCite
Research ArticleOpen accessIn the abstractROBUST MEMORY MANAGEMENT USING REAL TIME CONCEPTSV. Karthikeyan, S. Ravi, M. AnandMemory fragmentation is the development of a large number of separate free areas. Memory management in embedded systems demand effective implementation schemes to avoid fragmentation problem. Existing dynamic memory allocation methods fail to suit real time system requirements. Execution times need to be deterministic and this motivates the need for allocation and deallocation to be done in constant time with … …Journal of Computer Science, Vol. 10, Issue 8 · 1 Apr 2014 · 7,488 accessesView PDFCite
Research ArticleOpen accessIn the abstractIDENTIFICATION AND CHARACTERIZATION OF EXTREME RAINFALLS DISTRIBUTION IN MALANG RESIDENCEAmran, Iriawan Nur, Subiono, IrhamahExtreme rainfalls often occur everywhere just in a moment, very difficult to be anticipated and produce very detrimental impact to the environment and human society. Floods and landslides are influenced by high variability of extreme rainfalls, especially in the watershed area for floods and the hills as well as mountains for landslides, such as in Malang Residence, East Java, Indonesia … …Journal of Mathematics and Statistics, Vol. 9, Issue 4 · 30 Nov 2013 · 6,768 accessesView PDFCite
Research ArticleOpen accessIn the abstractDistributed Amplify and Forward Cooperation While Maintaining Transmission FreedomL. Chen, R. Carrasco, I. WassellProblem statement: This study proposes a novel Distributed Amplify and-Forward (DAF) cooperative scheme, achieving higher diversity order and yet maintaining the same transmission freedom as the conventional Amplify-and-Forward (AF) scheme. In the DAF scheme, a user’s transmitted symbols are partitioned into several sequences in order to be relayed by different users. Approach: In the cooperative network, each user still uses … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 2 Aug 2012 · 7,376 accessesView PDFCite