Volume-3 Issue-8


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Volume-3 Issue-8, July 2015, ISSN: 2319–6386 (Online)
Published By: Blue Eyes Intelligence Engineering & Sciences Publication Pvt. Ltd. 

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1.

Authors:

S. R. Jadhao, Sampada Bhonde

Paper Title:

Securing Privacy of Data in E-Marketing Against Malicious User

Abstract: Internet is at its best for personal as well as professional use as long as it is involved in anonymous communication. There are many technologies which are evolving and growing consistently in the field of computer one of them is cloud computing. But, the security issues and threats associated with it still serve as hindrances. The focal point of this paper is privacy preserving of data in cloud. There are different approaches for preserving privacy of data. Our main concentration would be securing privacy of data in cloud by assigning ID’s (further referred as token) which are unique. The goal of unique ID’s is to eliminate the privacy risk by modifying the dataset in such a way that only owner can access the original data. Preferably, any authority, server or an adversary alone should not know any client’s personal information. This paper analyses and discusses various approaches for securing data like adopting cryptographic methods, writing access rights and policies, anonymising data, assigning unique ID’s or token .Finally, the approach is made as why anonymity technique is used. Algorithms are discussed for anonymous sharing of private data among N parties. A technique is used so that ID numbers are used ranging from 1 to N.This assignment is anonymous such that when the identities are received at other end these are unknown to the other members of the group.

Keywords:
Anonymization and de-anonymization, cloud and distributed computing systems, multiparty computation, privacy preserving data mining, privacy protection.


References:

1.        Wang J, Zhao Y et al. (2009). Providing Privacy Preserving in cloud computing, International Conference on Test and Measurement, vol 2, 213–216.
2.        Larry A. Dunning, Member, IEEE, and Ray Kresman “Privacy Preserving Data Sharing With Anonymous ID Assignment”, IEEE 
Transactions on information forensic and security, vol. 8, no. 2, February 2013.
3.        Jana, A. Chaudhuri, and B. B. Bhaumik, “Privacy and anonymity protection in computational grid services,” Int. J. Comput. Sci. 
Applicat., vol. 6, no. 1, pp. 98–107, Jan. 2009.
4.        Friedman, R. Wolff, and A. Schuster, “Providing k-anonymity in data mining,” VLDB Journal, vol. 17, no. 4, pp. 789–804, Jul. 
2008.[5]Cloud computing:http://www.south.cattelecom.com/Technologies/CloudCo mputing/0071626948_chap01.pdf
5.        Information Commissioner’s office, “Anonymization: managing data protection risk, code of practice”, 2012

6.        Cryptographic hash function: https://en.wikipedia.org/wiki/Cryptographic_hash_function

7.        Data breach, causes of data breach: http://www.techopedia.com/definition/13601/data-breach

 

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2.

Authors:

M. A. Gopalan, K. Geetha, Manju Somanath

Paper Title:

On the Homogeneous Biquadratic Equation with 5 Unknowns 

Abstract: The homogeneous biquadratic equation with five unknowns given by  is considered and analyzed for finding its non zero distinct integral solutions. Introducing the linear transformations and employing the method of factorization different patterns of non zero distinct integer solutions of the equation under the above equation are obtained. A few interesting relations between the integral solutions and the special numbers namely Polygonal numbers, Pyramidal numbers, Centered Polygonal numbers, Centered Pyramidal numbers, Thabit-ibn-Kurrah number, Carol number, Mersenne number are exhibited.

Keywords:
Homogeneous equation, Integral solutions, Polygonal numbers, Pyramidal numbers and Special numbers. 2010 Mathematics Subject Classification Code: 11D25.

References:
1.        Carmichael R.D., The Theory of numbers and Diophantine analysis, Dover publications, new York, 1959.
2.        Dickson L.E., History of theory of Numbers, Chelsa Publishing company, New Yors, 1952.
3.        Gopalan.M.A., and Pandichelvi.V., On the solutions of the Biquadratic equation , International conference on Mathematical methods and Computation,Pg:24-25, july 2009.
4.        Gopalan.M.A., and Sangeetha. G., Integral solutions of Ternary Quartic equation , Antartica J.Math., 7(1), 95-101, 2010.
5.        Gopalan.M.A., and Sangeetha. G., Integral solutions of non-homogeneous Quartic equation , impact J.Sci.Tech., 4(3), (July-Sep ), 15-21, 2010.
6.        Gopalan.M.A., and Sangeetha. G., Integral solutions of Non-homogeneous biquadratic , Acta Ciencia Indica, Vol.XXXVII M.No.4, 799-803, 2011.
7.        Gopalan .M.A., and Sivkami.B., Integral solutions of quartic equation with four unknowns  Antartica J.Math, 10(2), 151-159, 2013.
8.        Manju Somanath, Sangeetha. G., and  Gopalan.M.A., Integral solutions of biquadratic equation with four unknowns given by , Pacific-Asian Journal of Mathematics, 6(2),185-190, July- Dec 2012.
9.        Manju Somanath, Sangeetha. G., and  Gopalan.M.A., Integral solutions of non-homogeneous Quartic equation , Archimedes J.Math., 1(1), 51-57, 2011.
10.     Sangeetha. G., Manju Somanath.,  Gopalan.M.A., and Pushparani., Integral solutions    of the homogeneous biquadratic equation with five unknowns , International conference on Mathematical methods and Computation,Pg:221-226, Feb 2014.
11. Gopalan.M.A., Geetha.K., and Manju Somanath., On the non-homogeneous Biquadratic equation with 4unknowns, International journal of Physics and Mathematical Sciences, Vol.4(4), Oct- Dec 2014, Pp.1-5.
12.     Gopalan.M.A., Geetha.K., and Manju Somanath., On the homogeneous Biquadratic  equation with 5 unknowns  Jamal Academic Research Journal: An interdisciplinary”, International Conference on Mathematical Methods and computation, Pp.268-273, Jan 2015.

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3.

Authors:

Shoumya Nandy Shuvo, Sujit Saha, Md. Miftaur Rahman

Paper Title:

Dielectric and Microstructural Properties of PbO Doped BaTiO3

Abstract: The Barium Titanate (BaTiO3) based ceramics has potential technological applications in multilayer Ceramics Capacitors (MLCC), thermistors, self-regulating electric heating system, transducers etc. The aim of the research is to find out the structural modifications and corresponding change in properties of BaTiO3 when small amount of glass was added. Lead oxide (PbO) was used as glass for the doping which was in the powder form. In this research the effects of different level of PbO doping, sintering parameters and dielectric properties of PbO doped BaTiO3 were observed and studied. At first, PbO was mixed with pure BaTiO3 nanopowder at two different compositions by ball milling. Mixed powder was dried and after the addition of binder, the powder was pressed into pellets with the 5 ton pressure. After that, the green pellets were again dried. Then sintering was done at 8000C in a muffle furnace. After sintering, percentage theoretical density was measured. Then, using the ‘Precision Impedance Analyzer’, Dielectric constant, Dielectric loss and Capacitance were observed for the two different doping levels up to 10MHz frequency. Scanning electron microscopy (SEM) of the sample was then performed to observe the microstructural properties precisely. The result of the experiment was quite fascinating. It is found out that by modifying the sintering parameters and doping level of PbO with BaTiO3, better dielectric properties can be attained. Scanning Electron Micrograph indicates that by increasing the doping level of PbO, grain refinement is possible within 100nm range with precise uniformity.

Keywords:
Barium Titanate based ceramic, Nano-doping, Di-electric constant, Di-electric loss, Grain refinement.

References:

1.        B.D. Stojanovic, Advanced in sintered electronic materials, in: B.D. Stojanovic, V.V. Skorokhod, M.V.  Nikolic (Eds.), Proceedings of the Ninth World Round Table Conference on Sintering, Kluwer Academic/ Plenum Publishers, New York, (1999), pp. 367–376.
2.        F.D. Morrison, D.C. Sinclair, A.R. West, Doping mechanisms and electrical properties of La-doped BaTiO3 ceramics, Int. J. Inorg. Mater. 3 (2001) 1205–1210.

3.        M. Aparna, T. Bhimasankaram, S.V. Suryanarayana, G. Prasad, G.S.Kumar, Effect of lanthanum doping on electrical and electromechanical properties of Ba1_xLaxTiO3, Bull. Mater. Sci. 24 (5) (2001) 497–504.

4.        M.E.V. Costa, P.Q. Mantas, Dielectric properties of porous Ba0.997La0.003-Ti1.0045O3 ceramics, J. Eur. Ceram. Soc. 19 (1999) 1077–1080.

5.        B.D. Stojanovic, M.A. Zaghete, C.R. Foschini, F.O.S. Vieira, J.A. Varela, Structure and properties of donor doped barium titanate prepared by citrate process, Ferroelectrics 270 (2002) 15–20.

6.        H.T. Kim, Y.H. Han, Sintering of nanocrystalline BaTiO3, Ceram. Int. 30 (2004) 1719–1723.

7.        M. Kuwabara, H. Matsuda, N. Kurata, E. Matsuyama, Shift of the curie point of barium titanate ceramics with sintering temperature, J. Am.Ceram. Soc. 80 (1997) 2590–2596.

8.        S. H. Cha and Y. H. Han: ‘Effects of Mn doping on dielectric properties of Mg-doped BaTiO3’, J. Appl. Phys., 2006, 100, 104102.

9.        M.T. Biscaglia, V. Buscaglia, M. Viviani, P. Nanni, M. Hanuskova, Influence of foreign ions on the crystal structure of BaTiO3, J. Eur. Ceram. Soc. 20 (2000) 1997–2007.

10.     F.D. Morrison, D.C. Sinclair, A.R. West, Doping mechanisms and electrical properties of La-doped BaTiO3 ceramics, Int. J. Inorg. Mater. 3 (2001) 1205–1210.

11.     M. Aparna, T. Bhimasankaram, S.V. Suryanarayana, G. Prasad, G.S. Kumar, Effect of lanthanum doping on electrical and electromechanical properties of Ba1_xLaxTiO3, Bull. Mater. Sci. 24 (5) (2001) 497–504.

12.     W. Luan, L. Gao, J. Guo, Size effect on dielectric properties of fine grained BaTiO3 ceramics, Ceram. Int. 25 (1999) 727–729.

13.     E.A. Kotomin, G. Borstel. Ceramics International 30 (2004) 1989-1990.

14.     Landolt-Börnstein - Group III Condensed Matter, Lead monoxide (PbO) density, melting point, Non-Tetrahedrally Bonded Elements and Binary Compounds I, 10.1007/b71138, 41C.

15.     S. H. Cha and Y. H. Han: ‘Effects of oxygen vacancies on relaxation behavior of Mg-doped BaTiO3’, Jpn J. Appl. Phys., 2006, 45, 7797–7800.

16.     J. Jeong and Y. H. Han: ‘Effects of MgO-doping on electrical properties and microstructure of BaTiO3’, Jpn J. Appl. Phys., 2004,  43, 5373–5377.

17.     H. T. Martirena and J. C. Burfoot: ‘Grain-size effects on properties of some ferroelectric ceramics’, J. Phys. C: Solid. State. Phys., 1974, 7, (17), 3182–3192.

18.     R. Ko¨ ferstein, L. Ja¨ ger, M. Zenkner and S. G. Ebbinghaus: ‘Phase transition and dielectric properties of BaTiO3 ceramics containing 10 mol% BaGeO3’, Mater. Chem. Phys., 2010, 119, (1–2), 118–122.

19.     S. Mahajan, O. P. Thakur, D. K. Bhattacharya and K. Sreenivas: ‘Ferroelectric relaxor behaviour and impedance spectroscopy of Bi2O3-doped barium zirconium titanate ceramics’, J. Phys. D: Appl. Phys., 2009, 42, 065413.

20.     X. J. Chou, J. W. Zhai, H. T. Jiang and X. Yao: ‘Dielectric properties and relaxor behavior of rare-earth (La, Sm, Eu, Dy, Y) substituted barium zirconium titanate ceramics’, J. Appl. Phys., 2007, 102, 084106.

21.     S. Wang, S. R. Zhang, X. H. Zhou, B. Li and Z. Chen: ‘Effect of sintering atmospheres on the microstructure and dielectric properties of Yb/Mg co-doped BaTiO3 ceramics’, Mater. Lett., 2005, 59, (19–20), 2457–2460.

 

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