American Journal of Systems and Software

Current Issue» Volume 2, Number 5 (2014)

Article

Performance and Cost Evaluation of Query Plans from the Student Database Using Specific G.A. Technique

1Department of Computer Sc. & Engg, Ajay Binay Institute of Technology, Cuttack, Odisha, India

2S.O.A. University, Bhubaneswar, Odisha, India

3Government College of Engineering, Bhwanipatna, Odisha, India


American Journal of Systems and Software. 2014, 2(5), 127-130
DOI: 10.12691/ajss-2-5-3
Copyright © 2014 Science and Education Publishing

Cite this paper:
Mishra Sambit Kumar, Pattnaik Srikanta, Patnaik Dulu. Performance and Cost Evaluation of Query Plans from the Student Database Using Specific G.A. Technique. American Journal of Systems and Software. 2014; 2(5):127-130. doi: 10.12691/ajss-2-5-3.

Correspondence to: Mishra  Sambit Kumar, Department of Computer Sc. & Engg, Ajay Binay Institute of Technology, Cuttack, Odisha, India. Email: sambit_pr@rediffmail.com

Abstract

Many educational institutions in India have already established online teaching and learning methodologies with different capabilities and approaches. After inspired from foreign universities, they have successfully adopted the learning online network with computer assisted personalized approaches. Usually, two kinds of large data sets are involved with the system, e.g. educational resources such as web pages, demonstrations, simulations, and individualized problems designed for use on homework assignments, and information about users who create, modify, assess, or use these resources. Genetic Algorithms (GAs) may be implemented as an effective tool to use in pattern recognition. The important aspect of GAs in a learning context is their use in pattern recognition. There are two different approaches for application of GA in pattern recognition. First of all apply a GA directly as a classifier. In this case G.A. may be applied to find the decision boundary in N dimensional feature space. Then use a GA as an optimization tool for resetting the parameters in other classifiers. Most applications of GAs in pattern recognition optimize some parameters in the classification process. In many applications of GAs, feature selection has been used. GAs has also been applied to find an optimal set of feature weights which improve classification accuracy. In this paper, it is intended to use a GA to optimize a combination of classifiers. The objective is to predict the students’ semester grades of a reputed Engineering college of India based on some acquired features. It is also intended to evaluate the size of each chromosome, e.g. student level at each query level as well as cost of query plans which may be associated with the student level. The objective is also aimed to evaluate the performance of the queries as well as query plans associated with the student database.

Keywords

References

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Article

Factors Affecting Successful Adoption of Management Information Systems in Organizations towards Enhancing Organizational Performance

1Universiti Tun Hussein Onn Malaysia, Faculty of Technology Management and Business, Malaysia


American Journal of Systems and Software. 2014, 2(5), 121-126
DOI: 10.12691/ajss-2-5-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
Yaser Hasan Al-Mamary, Alina Shamsuddin, Nor Aziati. Factors Affecting Successful Adoption of Management Information Systems in Organizations towards Enhancing Organizational Performance. American Journal of Systems and Software. 2014; 2(5):121-126. doi: 10.12691/ajss-2-5-2.

Correspondence to: Yaser  Hasan Al-Mamary, Universiti Tun Hussein Onn Malaysia, Faculty of Technology Management and Business, Malaysia. Email: yaser_almamary@yahoo.com

Abstract

Management information systems one of the most important achievements in the area of administrative work, which aims to provide reliable, accurate, relevant and complete information to managers toward enhancing of organizational performance in organizations. This paper reviews other researches in the area of MIS adoption in organizations. Synthesizing from the literature and interviews with some of the employees of telecommunications companies in Yemen, this paper proposes a theoretical framework that takes into consideration the technological, organizational and people dimensions that might affect MIS adoption in organizations.

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Article

Diversity for Texts Builds in Language L(MT): Indexes Based in Theory of Information

1Department of Applied Mathematics, University of Alicante, Alicante, Spain

2Biodiversity Research Institute CIBIO, University of Alicante, Alicante, Spain


American Journal of Systems and Software. 2014, 2(5), 113-120
DOI: 10.12691/ajss-2-5-1
Copyright © 2014 Science and Education Publishing

Cite this paper:
José Luis Usó-Doménech, Josué-Antonio Nescolarde-Selva, Miguel Lloret-Climent, Lucía González-Franco. Diversity for Texts Builds in Language L(MT): Indexes Based in Theory of Information. American Journal of Systems and Software. 2014; 2(5):113-120. doi: 10.12691/ajss-2-5-1.

Correspondence to: Josué-Antonio  Nescolarde-Selva, Department of Applied Mathematics, University of Alicante, Alicante, Spain. Email: josue.selva@ua.es

Abstract

If one has a distribution of words (SLUNs or CLUNS) in a text written in language L(MT), and is adjusted one of the mathematical expressions of distribution that exists in the mathematical literature, some parameter of the elected expression it can be considered as a measure of the diversity. But because the adjustment is not always perfect as usual measure; it is preferable to select an index that doesn't postulate a regularity of distribution expressible for a simple formula. The problem can be approachable statistically, without having special interest for the organization of the text. It can serve as index any monotonous function that has a minimum value when all their elements belong to the same class, that is to say, all the individuals belong to oneself symbol, and a maximum value when each element belongs to a different class, that is to say, each individual is of a different symbol. It should also gather certain conditions like they are: to be not very sensitive to the extension of the text and being invariant to certain number of operations of selection in the text. These operations can be theoretically random. The expressions that offer more advantages are those coming from the theory of the information of Shannon-Weaver. Based on them, the authors develop a theoretical study for indexes of diversity to be applied in texts built in modeling language L(MT), although anything impedes that they can be applied to texts written in natural languages.

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