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GROUPING BASED USER DEMAND AWARE JOB SCHEDULING APPROACH FOR COMPUTATIONAL GRID
P.SURESH,P.BALASUBRAMANIE
International Journal of Engineering Science and Technology , 2012,
Abstract: Grid Computing is a high performance computing that solves complicated tasks and provides powerful computing abilities. Scheduler is very much responsible for effective utilization of resources and less processing time. Most of the scheduling algorithms failed to consider user satisfaction and resource utilization. This paper introduces a new grouping based scheduling algorithm that takes user satisfaction into account. In this approach, grouping of fine grained jobs to coarse grained jobs and scheduling those coars grained jobs based on the deadline is done. The simulation is done using GridSim toolkit and the results have been compared with the userdemand aware scheduling Algorithm and the results show the user satisfaction is more and achieves better hit rate, processing time and makespan. Thus the grouping based user demand aware algorithm results in increased user satisfaction and better makespan and processing time.
Achieving Information Accountability in Cloud Computing Environment
P Sobha Rani,V. Sangeeta,P.Suresh Babu
International Journal of Computer & Electronics Research , 2013,
Abstract: Cloud Computing is a subscription-based service where you can obtain the networked storage space and computer resources. In cloud computing model, customers plug into the cloud to access IT resources which are priced and provided on demand services. The major feature of the cloud computing is that user’s data are processed in remote machines, which are unknown to the data owners. Here the security breaches are raised. Users fear about their data control, so that they needed to account their data, which are stored in the cloud. Accountability is the most critical prerequisite for effective governance and control of corporate and private data processed by cloud-based IT services. Accountability is the agreement to act as in authority proctor of the personal information of others, to take accountability for security and applicable use of that information beyond the legal requirements, and to be held responsible for misuse of that information. This paper presents a method for information accountability in the cloud computing environment.
Measuring Semantic Similarity between Words Using Web Pages
T.Sujatha,Ramesh Naidu G,P.Suresh B
International Journal of Soft Computing & Engineering , 2012,
Abstract: Semantic similarity measures play an important role in the extraction of semantic relations. Semantic similarity measures are widely used in Natural Language Processing (NLP) and Information Retrieval (IR). The work proposed here uses web based metrics to compute the semantic similarity between words or terms and also compares with the state-of-the-art. For a computer to decide the semantic similarity, it should understand the semantics of the words. Computer being a syntactic machine, it cannot understand the semantics. So always an attempt is made to represent the semantics as syntax. There are various methods proposed to find the semantic similarity between words. Some of these methods have used the precompiled databases like WordNet, and Brown Corpus. Some are based on Web Search Engine. The approach presented here is altogether different from these methods. It makes use of snippets returned by the Wikipedia or any encyclopedia such as Britannica Encyclopedia. The snippets are preprocessed for stop word removal and stemming. For suffix removal an algorithm by M. F. Porter is referred. Luhn’s Idea is used for extraction of significant words from the preprocessed snippets. Similarity measures proposed here are based on the five different association measures in Information retrieval, namely simple matching, Dice, Jaccard, Overlap, Cosine coefficient. Performance of these methods is evaluated using Miller and Charle’s benchmark dataset. It gives higher correlation value of 0.80 than some of the existing methods.
Formulation and Dissolution Study of Valsartan Immediate Release Tablets
B. Brahmaiah*, K. Sasikanth, Sreekanth Nama , P.Suresh, Patan Adam Khan
Indian Journal of Pharmaceutical and Biological Research , 2013,
Abstract: In the present study, design of oral immediate release tablets of Valsartan by direct compression techniquewas carried out. The main aim and objective of the work is to formulate immediate release tablets usingdifferent direct compression vehicles (DCV’S) in different ratios. The main motive is to compare thedissolution profile of these formulations and conclude the best formulation which release drug at a fasterrate. To determine the best fit dissolution profile for the dosage forms. Valsartan tablets were formulated byusing microcrystalline cellulose (diluents), potato starch, acacia (binder) and magnesium stearate(lubricant). The granules were compressed into tablets and were subjected to dissolution studies. Thedissolution profile of the formulation F2 was found to have better dissolution rate compared to others. TheIn-vitro dissolution studies of all the formulations were conducted and the results were obtained, it wasconcluded that formulation F2 was the best with fast release of drug compared to others.
Use of Smart Antennas In Ad Hoc Networks
Mohammed Ali Hussain,P.Suresh Varma,K. Satya Rajesh,Hussain Basha Pathan
International Journal of Computer Science & Information Technology , 2010,
Abstract: The capacity of ad hoc networks can be severely limited due to interference constraints. One way of using improving the overall capacity of ad hoc networks is by the use of smart antennas. Smart antennas allow the energy to be transmitted or received in a particular direction as opposed to disseminating energy in all directions. This helps in achieving significant spatial re-use and thereby increasing the capacity of the network. However, the use of smart antennas presents significant challenges at thehigher layers of the protocol stack. In particular, the medium access control and the routing layers will have to be modified and made aware of the presence of such antennas in order to exploit their use. In this paper we examine the various challenges that arise when deploying such antennas in ad hoc networks and the solutions proposed thus far in order to overcome them. The current state of the artseems to suggest that the deployment of such antennas can have a tremendous impact in terms of increasing the capacity of ad hoc networks.
Movie Piracy Detection Based on Audio Features Using Mel-Frequency Cepstral Coefficients and Vector Quantization
B.Srinivas,K.Venkata Rao,P.Suresh Varma
International Journal of Soft Computing & Engineering , 2012,
Abstract: Along with the increase in the advancement oftechnology in movie industry over internet, there is also anincrease in the movie piracy via internet which affects factors likeeconomy and repudiation of movie industry. Internet movie piracyis the most common means for pirates as well as downloader’s tobreak copyright laws by anonymous illegal uploads/downloads. Inthis paper we proposed an automated internet movie piracydetection mechanism based on audio fingerprint, whichimplements two famous algorithms, one is Mel-FrequencyCepstral Coefficients (MFCC) for feature extraction and the otheris Vector Quantization (VQ) for classification. Our trained systeminitially looks for the sites which offer illegitimate copies of moviesand if there is any suspicion based on a particular movie which issimilar to the database of copyrighted movies that are registeredwith our trained system, it simply compares the fingerprints thatare generated by implementing the above specified algorithms forboth the trained and suspected movies. We collected various audiosamples of different movies and we also extracted audio samplesof pirated movies via internet with and without noises and trainedand tested with our system. Finally, our system rendered efficientresults with few error rates. We collected 52 audio samples withoutnoise and 48 samples with noise and the resulted successclassification is 96% and 92% respectively.
On Tandem Communication Network Model with DBA and Modified Phase Type Transmission Having NHP Arrivals for First Node and Poisson Arrival for Second Node
M.V.Rama Sundari,K.Srinivas Rao,P.Srinivasa Rao,P.Suresh Varma
International Journal of Computer Science Issues , 2011,
Abstract: Communication network models play a predominant role in performance evaluation of many communication systems. The packet arrival processes for data networks are not matching with the Poisson processes due to the nature of bursty and time dependent arrivals. In this paper, a three node communication network model with non homogeneous Poisson arrivals having dynamic bandwidth allocation under modified phase type transmission is introduced for performance evaluation and monitoring of several tele and satellite communications. The system performance measures of the network are derived explicitly. The sensitivity analysis reveals the dynamic bandwidth allocation strategy and non homogeneous Poisson arrivals can reduce the burstyness in buffers and delay in transmission. This model also includes some of the earlier models as particular cases for specific and limiting of parameters.
Optical and Dielectric Studies on L-Valinium Picrate Single Crystal  [PDF]
P. Koteeswari, P. Mani, S. Suresh
Journal of Crystallization Process and Technology (JCPT) , 2012, DOI: 10.4236/jcpt.2012.23015
Abstract: Single crystals of L-Valinium picrate were grown from aqueous solution by slow evaporation technique. Single crystal X-ray diffraction analysis reveals that the crystal belongs to monoclinic system. The optical transmission study reveals the transparency of the crystal in the entire visible region and the cut off wave length has been found to be 470 nm. The optical band gap is found to be 2.55 eV. The transmittance of L-Valinium picrate crystal has been used to calculate the refractive index (n), the extinction coefficient (K) and both the real (εr) and imaginary (εi) components of the dielectric constant as functions of wavelength. Low dielectric loss at high frequency region is indicative of enhanced optical quality with lesser defects. Photoconductivity measurements carried out on the grown crystal reveal the negative photoconducting nature.
Growth and Characterization Studies of MnHP Single Crystal in Silica Gel Medium  [PDF]
P. Suresh, G. Kanchana, P. Sundaramoorthi
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2009, DOI: 10.4236/jmmce.2009.85031
Abstract: MnHP (Manganese Hydrogen Phosphate) crystals were grown in silica gel medium using different gel densities, various concentrations of orthophosphoric acid and supernatant solutions in single diffusion process. The gel pH plays an important role in the formation of different HPO4 species in the phosphoric system. The pH range in which HPO42- ions dominates were considered which in turn is necessary for the growth of MnHP crystals. The characterizations of grown crystals were studied by FTIR, SEM, XRD and etching. The results are reported and discussed in detailed manner.
Crystal Growth, Optical and Dielectric Properties of L-Histidine Hydrochloride Monohydrate Nonlinear Optical Single Crystals  [PDF]
P. Koteeswari, S. Suresh, P. Mani
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2012, DOI: 10.4236/jmmce.2012.118071
Abstract: Optically transparent and bulk single crystal of l-histidine hydrochloride monohydrate (LHHC) was successfully grown by slow evaporation technique. The cell parameters and the crystallinity of the grown crystal were estimated by the single-crystal. Optical transmittance of the crystal was recorded using the UV–vis–NIR spectrophotometer. The optical band gap and optical constant of the material were determined by using transmission spectrum. The dielectric loss and dielectric constant measurements as a function of frequency and temperature were measured for the grown crystal.
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