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International Conference on Education Technology and computer, ICETC

作者： Abdul Sahli Fakharudin Mohd Azwan Mohamad Mohd Usaid Johan Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Pahang Malaysia

Every newspaper publisher faced with the problem of determining the number of copies of newspaper and distributing them to the retail traders. Two aspects need to be balanced out in order to optimize the economical success which is the number of unsold copies should be minimal to reduce the cost of production, and the sell-out rate should be minimal to maximize the number of sold copies. Thus, a good sales rate prediction is necessary to optimize both antagonistic aspects. This paper utilized artificial neural network to predict newspaper sales for one vendor in the area of Sungai Petani, Malaysia. The predicted sales value can help the company to optimize their sales. The main objective is to develop a prototype that apply artificial neural network so that it can predict the future trend as well as the future daily sale. The network will consist of three layer which is input layer, one hidden layer and output layer. The input layer will have six input node where this will be the factor that will affect the output which is the number of copies that sold. The network will be trained with history data of a one year records of data. The output produced has the error value as low as 1.24% while the correlation coefficient between prediction and actual value is 0.1197.

关键词： Marketing and sales Artificial neural networks computer networks Distributed computing Economic forecasting Cost function Production computer science education systems engineering education Educational technology

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An Analysis of Network Services Using Association Rules

An Analysis of Network Services Using Association Rules

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2009 2nd IEEE International Conference on computer Science and Information Technology（ICCSIT 2009）

作者： M.N.Noorhuzaimi S.Junaida R.Mohamad Mazrul Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang KuantanPahang

Log server is significant for every organization *** generates huge amount of data every day and of different *** data holds valuable information which is complex to be interpreted unless with the aid of web log analysis *** rules is a data mining technique which is able to derived patterns from data in log server *** paper presents the analysis of log server data particularly on the usage of network *** Appriori algorithm is implemented in the pattern discovery and a tool named UMPNA assist in the process of derive the *** results from the analysis can help network administrator increase the network performance.

关键词： Log server file,Association rule,Appriori Algorithm

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Deriving Formal Specification Using Z Notation

Deriving Formal Specification Using Z Notation

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International Conference on computer Technology and Development (ICCTD)

作者： Roslina Mohd Sidek Noraziah Ahmad Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Kuantan Pahang Malaysia

Formal Methods are very tough subject to software engineering student. It happens because of the mathematics involvement during software development. Students normally feel very difficult to derive formal specification from informal requirement. The problem always happen is to derive the Z notation in the formal specification. The formal specification is all about the operation inside the requirement needed from the customer using mathematical statement. If there do not know the logic of the operation the notation might goes wrong. In this paper, we propose an approach to deriving formal specifications from informal requirement using Venn diagram for creating formal specification in term of training environment to make our student understand. The Venn diagram that we use is purposely for the basic level. It is used to visualize in the branch of mathematics known as set theory. It shows all of the possible mathematical or logical relationships between sets groups of things. With this Venn diagram they can visualize the operation of their notation. To show how to implement the Venn diagram we chose a case study. We show how to convert the Venn diagram to formal specification which is the important part during development of Z schema. Then, we do an analysis of an assignment given to a group of student to know whether the Venn diagram is really helpful for them or not.

关键词： Formal specifications software engineering Visualization Mathematics Programming Set theory software systems Health and safety Automatic logic units

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How prior knowledge affects user's understanding of system requirements?

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World Academy of Science, engineering and Technology 2009年 38卷 18-26页

作者： Mustafa, Balsam Deris, Safaai Software Engineering Department Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia 81310 UTM Skudai Malaysia

Requirements are critical to system validation as they guide all subsequent stages of systems development. Inadequately specified requirements generate systems that require major revisions or cause system failure entirely. Use Cases have become the main vehicle for requirements capture in many current Object Oriented (OO) development methodologies, and a means for developers to communicate with different stakeholders. In this paper we present the results of a laboratory experiment that explored whether different types of use case format are equally effective in facilitating high knowledge user's understanding. Results showed that the provision of diagrams along with the textual use case descriptions significantly improved user comprehension of system requirements in both familiar and unfamiliar application domains. However, when comparing groups that received models of textual description accompanied with diagrams of different level of details (simple and detailed) we found no significant difference in performance. © 2009 ***.

关键词： Requirements engineering

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Transmission Mechanism for Refurbishment Managers in Routine Practice

Transmission Mechanism for Refurbishment Managers in Routine...

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International Conference on Machine Learning and Computing（ICMLC 2009）

作者： Mohammad Affendy Omardin Noraziah Ahmad Faculty Civil Engineering & Earth Resources Universiti Malaysia Pahang Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang

This paper presents the mechanism practice linked to the skills and knowledge added to the refurbishment *** sustainable of career as building refurbishment manager is to feed the managers with skills and knowledge,strategically made in facing the future that is full of uncertainties and *** research focus on the sustainability factors through the analysis results that gathered from interview and ***,it relates to identify the current practice in dealing with the process of the refurbishment project toward *** of skills and knowledge among the project managers are the mechanism that firm or agencies to look forward.

关键词： skills refurbishment manager transmission mechanism

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Smart electronic visitor information management system with biometric verification

Journal of Digital Information Management

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Journal of Digital Information Management 2009年第5期7卷 318-325页

作者： Noraziah, A. Noorhuzaimi, M.N. Junaida, S. Faculty of Computer Systems and Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak 26300 Kuantan Pahang Malaysia

Smart Electronic Visitor Information System (SEVIMS) is an application to replace traditional visitor registration and information management activities. SEVIMS able to record visitor information during visitor registration by using visitor's Malaysia Government Multipurpose Card (MyKad). An implementation of mobile smart card reader with biometric verification has increase the high level of security and access control. With additional features, the identity of visitor can be verify based on matching of his/her thumbprint with the thumbprint image stored in MyKad. The benefits of sophisticated SEVIMS are enhancing the level of security enforced in premises, providing an organized view of visitor records and reducing the time spent on managing visitor information.

关键词： Smart cards

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A usability profile for graphical formal modelling methods

A usability profile for graphical formal modelling methods

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8th International Conference on New Trends in software Methodologies, Tools and Techniques, SoMeT_09

作者： Razali, Rozilawati Garratt, Paul Faculty of Information Science and Technology 43600 UKM Bangi Universiti Kebangsaan Malaysia Selangor Malaysia School of Electronics and Computer Science Dependable Systems and Software Engineering University of Southampton SO17 1BJ United Kingdom

ISBN: (纸本)9781607500490

The notation and environment in conceptual modelling transform developers' initial perception about a system to a concrete model. Any usability constraints that the notation and environment impose on the modeling process affect not only the quality of the model but also the quality of the final product. This paper presents a usability profile for designing conceptual modelling methods that integrate graphical notation and formal mathematical notation. The profile was proposed based on a survey conducted on an instance of such methods, which combines the Unified Modelling Language (UML) and Event-B. The instruments used in the survey were the Cognitive Dimensions of Notations (CD) framework and several criteria suggested by the International Organization for Standardization (ISO). The analysis was conducted using the grounded theory approach. Thirteen participants responded to the survey. The survey suggests that graphical formal modelling requires deep understanding of the notations involved, strong support from the environment, well-organised models and high spatial ability. © 2009 The authors and IOS Press.

关键词： Surveys

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A usability profile for graphical formal modelling methods

A usability profile for graphical formal modelling methods

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作者： Razali, Rozilawati Garratt, Paul Faculty of Information Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia Dependable Systems and Software Engineering School of Electronics and Computer Science University of Southampton SO17 1BJ United Kingdom

ISBN: (纸本)9781607500490

关键词： Surveys

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A Study of Network-based Approach for Cancer Classification

A Study of Network-based Approach for Cancer Classification

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International Conference on Information Management and engineering, ICIME

作者： R. Jumali S. Deris S.Z.M. Hashim M.F. Misman M.S. Mohamad Department of Software Engineering Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia Skudai Johor Malaysia

ISBN: (纸本)9781424437740

The advent of high-throughput techniques such as microarray data enabled researchers to elucidate process in a cell that fruitfully useful for pathological and medical. For such opportunities, microarray gene expression data have been explored and applied for various types of studies e.g. gene association, gene classification and construction of gene network. Unfortunately, since gene expression data naturally have a few of samples and thousands of genes, this leads to a biological and technical problems. Thus, the availability of artificial intelligence techniques couples with statistical methods can give promising results for addressing the problems. These approaches derive two well known methods: supervised and unsupervised. Whenever possible, these two superior methods can work well in classification and clustering in term of class discovery and class prediction. Significantly, in this paper we will review the benefit of network-based in term of interaction data for classification in identification of class cancer.

关键词： Cancer Gene expression DNA Bioinformatics Unsupervised learning computer science Artificial intelligence Supervised learning Humans Information management

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Graph Partitioning Method for Functional Module Detections of Protein Interaction Network

Graph Partitioning Method for Functional Module Detections o...

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International Conference on computer Technology and Development (ICCTD)

作者： Afnizanfaizal Abdullah Safaai Deris Siti Zaiton Mohd Hashim Hamimah Mohd Jamil Department of Software Engineering Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia Johor Bahru Malaysia

Study on topology structure of protein interaction network has been suggested as a potential effort to discover biological functions and cellular mechanisms at systems level. In this work, we introduced a graph partitioning method to partition protein interaction network into several clusters of interacting proteins that share similar functions called functional modules. Our proposed method encompasses three major steps which are preprocessing, informative proteins selection and graph partitioning algorithm. We utilized the protein-protein interaction dataset from MIPS to test the proposed method. We use gene ontology information to validate the biological significance of the detected modules. We also downloaded protein complex information to evaluate the performance of our method. In our analysis, the method showed high accuracy performance indicates that this method capable to detect highly significance modules. Hence, this showed that functional modules detected by the proposed method are biologically significant which can be used to predict uncharacterized proteins and infer new complexes.

关键词： Bioinformatics Genomics Partitioning algorithms Ontologies Organisms Protein engineering Cellular networks Testing Design methodology computer networks

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