ISSN (Print): 2374-1953

ISSN (Online): 2374-1988

Editor-in-Chief: Sergii Kavun




Estimating Plans along with Cost in Multiple Query Processing Environments by Applying Particle Swarm Optimization Technique

1Deaprtment of Computer Sc.&Engg., Ajay Binay Institute of Technology, Cuttack

2S.O.A. University, Bhubaneswar

3Government College of Engineering, Bhawanipatna

American Journal of Information Systems. 2014, 2(3), 52-55
doi: 10.12691/ajis-2-3-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
Sambit Kumar Mishra, Srikanta Pattnaik, Dulu patnaik. Estimating Plans along with Cost in Multiple Query Processing Environments by Applying Particle Swarm Optimization Technique. American Journal of Information Systems. 2014; 2(3):52-55. doi: 10.12691/ajis-2-3-2.

Correspondence to: Sambit  Kumar Mishra, Deaprtment of Computer Sc.&Engg., Ajay Binay Institute of Technology, Cuttack. Email:


The Main idea of multiple query processing is to optimize a set of queries together and execute the common operations once. Major tasks in multiple query processing are common operation or expression identification and global execution plan construction. Query plans are generally derived from registered continuous queries. They are composed of operators, which perform the actual data processing, queries which buffer data as it moves between operators to hold state of operators. The complex part is to decompose queries and query plans and rearrange the sub queries and query plans on the network. The main functions to achieve an optimal query distribution are usually minimizing network usage and minimizing response time of queries. While dealing with query distribution problem, the challenges like modeling topology of the network, decomposing queries into some sub queries and sub query placement may be occurred. Operators are the basic data processing units in a query plan. An operator takes one or more streams as input and produces a stream as output. As in the traditional database management system, a plan for query connects a set of operators in a tree. The output of a child operator forms an input of its parent operator. In this paper it is aimed to retrieve the cost of query plans as well as cost of particles of swarm in multiple query processing environments by applying particle swarm optimization techniques.



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Application of IS-Balanced Scorecard in Performance Measurement of e-Government Services in Kenya

1School of Computing and Informatics, University of Nairobi, Nairobi, Kenya

American Journal of Information Systems. 2015, 3(1), 1-14
doi: 10.12691/ajis-3-1-1
Copyright © 2015 Science and Education Publishing

Cite this paper:
Grace Leah AKINYI, Christopher A. MOTURI. Application of IS-Balanced Scorecard in Performance Measurement of e-Government Services in Kenya. American Journal of Information Systems. 2015; 3(1):1-14. doi: 10.12691/ajis-3-1-1.

Correspondence to: Grace  Leah AKINYI, School of Computing and Informatics, University of Nairobi, Nairobi, Kenya. Email:


This research applied the Balanced Scorecard concept to audit performance of e-Government services at Kenya Revenue Authority. An analysis was made on how KRA developed performance measurement data. A systematic study of the existing performance tools was carried out in establishing the basis for conceptualizing the Information Systems Balanced Scorecard. Various dimensions of e-Government services were measured and a tool was proposed that would assess the quality dimensions of the e-Government services from a management perspective. The proposed tool was validated using i-Tax service of KRA. We list the indicators and metrics to be used to measure the performance of e-Government services. This research suggests an adoption of an IS-BSC which measures and evaluates e-Government services from four perspectives: business value, user orientation, internal process and future readiness. The research concludes with recommendations to help governments develop a performance measurement mechanism to assess the impact of investing in e-Government. Considering that performance measurement is a prerequisite to e-Government efforts to audit services and assure citizen of government’s accountability, the findings will be beneficial to ministries adopting e-Government initiatives as they will gain an understanding about the mixed method of using metrics in IT governance balanced scorecard.



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Systemic Evaluation of Semi-Electronic Voting System adopted in Nigeria 2015 General Elections

1Department of Electrical and Electronic Engineering, University of Agriculture, Makurdi, Benue State, Nigeria

2Department of Public Administration, Federal Polytechnic, Nasarawa, Nigeria

3Department of Business Education, Adeyemi College of Education, Ondo, Nigeria

American Journal of Information Systems. 2015, 3(1), 15-21
doi: 10.12691/ajis-3-1-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Omolaye P. O, Pius Daniel, Orifa A. O. Systemic Evaluation of Semi-Electronic Voting System adopted in Nigeria 2015 General Elections. American Journal of Information Systems. 2015; 3(1):15-21. doi: 10.12691/ajis-3-1-2.

Correspondence to: Omolaye  P. O, Department of Electrical and Electronic Engineering, University of Agriculture, Makurdi, Benue State, Nigeria. Email:


Nigeria’s experience with paper-based balloting has produced challenges to election such as the snatching of ballot boxes and alteration of election results. Full-flesh Technology-based election most especially the use of Electronic Voting Machines will go a long way to arrest some of these electoral crimes. Therefore, in this research work, we review the tedious electioneering processes, voting technologies, foot note and solution to the rising perspective as a result of low turnout of voters during elections in all the six geo-political zones with a proper documentation. Hence, a proposed web-enabled voting system which inculcates the features and characteristics of electronic voting machine (eVM), Internet Voting (i-voting) and mobile voting (m-Voting) is proposed for enhanced participatory democracy that has attributes of free, fair and credible election in Nigeria and Africa as a whole.



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