International Journal of High Performance Computing and Networking
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International Journal of High Performance Computing and Networking (2 papers in press)
Infinite impulse response system identification using antlion optimisation algorithm by Sandeep Singh, Alpana Shekhar, Chakshu Kalra, Shubham Kaushik, Tarun Kumar Rawat, Alaknanda Ashok Abstract: This paper focuses on infinite impulse response (IIR) system identification using a recent nature-inspired algorithm called antlion optimisation (ALO). The system identification problem concerns determining the viable parameters by minimising the cost function. Generally, gradient-based techniques are mostly used for IIR system identification. However, these traditional algorithms face the problem of getting trapped in local solution. So to get rid of this problem, a novel ALO algorithm is used for IIR system identification. The ALO is inspired by the preying process of antlions on the ants. The algorithm is free of the issues faced by the traditional techniques. The performance of the ALO algorithm is measured using two measures, the mean square error, which is taken as cost function, and the convergence profile. The results obtained using ALO are compared with that of the particle swarm optimisation algorithm and cat swarm optimisation algorithm. The obtained results confirmed that the ALO algorithm surpasses the performance of the existing algorithms.
Keywords: antlion algorithm; system identification; mean square error; convergence profile.
A survey of blockchain as a service platform by Samer Muneer Alshurafa, Derar Eleyan, Amna Eleyan Abstract: Blockchain provides more security and decentralised systems. However, it is difficult for startups and small companies to build and deploy their blockchain networks. So, cloud computing providers make it easy for those to work with blockchain using their networks and cloud infrastructure through using blockchain as a service platform. There are many blockchain as a service providers and platforms. This survey provides an overview of 23 such platforms and provides a comparison based on provider, blockchain protocol, blockchain type, cost, security, and support of smart contract. Keywords: blockchain; blockchain as a service; cloud computing; distributed ledger technology.