Call for Articles - Computer Science & Engineering: An International Journal (CSEIJ)

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Computer Science & Engineering: An International Journal (CSEIJ) is a bi-monthly open access peer-reviewed journal that publishes articles which contribute new results in all areas of the Computer Science & Computer Engineering. The journal is devoted to the publication of high quality papers on theoretical and practical aspects of computer science and computer Engineering.

Engineering

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This study has been undertaken to predict the student employability.Assessing student employability provides a method of integrating student abilities and employer business requirements, which is becoming an increasingly important concern for academic institutions. Improving student evaluation techniques for employability can help students to have a better understanding of business organizations and find the right one for them. The data for the training classification models is gathered through a survey in which students are asked to fill out a questionnaire in which they may indicate their abilities and academic achievement. This information may be used to determine their competency in a variety of skill categories, including soft skills, problem-solving skills and technical abilities and so on.The goal of this research is to use data mining to predict student employability by considering different factors such as skills that the students have gained during their diploma level and time duration with respect to the knowledge they have captured when they expect the placement at the end of graduation. Further during this research most specific skills with relevant to each job category also was identified. In this research for the prediction of the student employability different data mining models such as such as KNN, Naive Bayer’s, and Decision Tree were evaluated and out of that best model also was identified for this institute's student’s employability prediction.So, in this research classification and association techniques were used and evaluated.

DATA MINING FOR STUDENTS’ EMPLOYABILITY PREDICTION

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Software is unequivocally the foremost and indispensable entity in this technologically driven world. Therefore quality assurance, and in particular, software testing is a crucial step in the software development cycle. This paper presents an effective test selection strategy that uses a Spectrum of Complexity Metrics (SCM). Our aim in this paper is to increase the efficiency of the testing process by significantly reducing the number of test cases without having a significant drop in test effectiveness. The strategy makes use of a comprehensive taxonomy of complexity metrics based on the product level (class, method, statement) and its characteristics.We use a series of experiments based on three applications with a significant number of mutants to demonstrate the effectiveness of our selection strategy.For further evaluation, we compareour approach to boundary value analysis. The results show the capability of our approach to detect mutants as well as the seeded errors.

A Complexity Based Regression Test Selection Strategy

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In this research, we have focused on the most challenging issue that Web Services face, i.e. how to secure their information. Web Services security could be guaranteed by employing security standards, which is the main focus of this search. Every suggested model related to security design should put in the account the securities' objectives; integrity, confidentiality, non- repudiation, authentication, and authorization. The proposed model describes SOAP messages and the way to secure their contents. Due to the reason that SOAP message is the core of the exchanging information in Web Services, this research has developed a security model needed to ensure e-business security. The essence of our model depends on XML encryption and XML signature to encrypt and sign SOAP message. The proposed model looks forward to achieve a high speed of transaction and a strong level of security without jeopardizing the performance of transmission information.

XML Encryption and Signature for Securing Web Services

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This paper compares the performance of face image retrieval system based on discrete wavelet transforms and Lifting wavelet transforms with principal component analysis (PCA). These techniques are implemented and their performances are investigated using frontal facial images from the ORL database. The Discrete Wavelet Transform is effective in representing image features and is suitable in Face image retrieval, it still encounters problems especially in implementation; e.g. Floating point operation and decomposition speed. We use the advantages of lifting scheme, a spatial approach for constructing wavelet filters, which provides feasible alternative for problems facing its classical counterpart. Lifting scheme has such intriguing properties as convenient construction, simple structure, integer-to-integer transform, low computational complexity as well as flexible adaptivity, revealing its potentials in Face image retrieval. Comparing to PCA and DWT with PCA, Lifting wavelet transform with PCA gives less computation and DWT-PCA gives high retrieval rate..

Performance Comparison of PCA,DWT-PCA And LWT-PCA for Face Image Retrieval

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Performance Comparison of PCA,DWT-PCA And LWT-PCA for Face Image Retrieval

CSEIJJournal

Data security and privacy are important to prevent the re- veal, modification and unauthorized usage of sensitive information. The introduction of using critical power devices for internet of things (IoTs), e-commerce, e-payment, and wireless sensor networks (WSNs) has brought a new challenge of security due to the low computation capability of sensors. Therefore, the lightweight authenticated key agreement protocols are important to protect their security and privacy. Several researches have been published about authenticated key agreement. However, there is a need of lightweight schemes that can fit with critical capability devices. Addition to that, a malicious key generation center (KGC) can become a threat to watch other users, i.e impersonate user by causing the key escrow problem

Lightweight Certificateless Authenticated Key Agreement Protocoln

CSEIJJournal

The development of digital television in Colombia has grown in last year’s, specially the digital terrestrial television (DTT), which is an essential part to the projects of National Minister of ICT, thanks to the big distribution and use of the television network and Internet in the country. This article explains how joining different technologies like social networks, information adaptation and DTT, to get an application that offers information services to users, based on their data, preferences, inclinations, use and interaction with others users and groups inside the network.

Recommendation System for Information Services Adapted, Over Terrestrial Digi...

CSEIJJournal

An intensive use of reconfigurable hardware is expected in future embedded systems. This means that the system has to decide which tasks are more suitable for hardware execution. In order to make an efficient use of the FPGA it is convenient to choose one that allows hardware multitasking, which is implemented by using partial dynamic reconfiguration. One of the challenges for hardware multitasking in embedded systems is the online management of the only reconfiguration port of present FPGA devices. This paper presents different online reconfiguration scheduling strategies which assign the reconfiguration interface resource using different criteria: workload distribution or task’ deadline. The online scheduling strategies presented take efficient and fast decisions based on the information available at each moment. Experiments have been made in order to analyze the performance and convenience of these reconfiguration strategies.

Reconfiguration Strategies for Online Hardware Multitasking in Embedded Systems

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A mobile ad hoc network (MANET) is a wireless network that uses multi-hop peer-to-peer routing instead of static network infrastructure to provide network connectivity. MANETs have applications in rapidly deployed and dynamic military and civilian systems. The network topology in a MANET usually changes with time. Therefore, there are new challenges for routing protocols in MANETs since traditional routing protocols may not be suitable for MANETs. Researchers are designing new MANET routing protocols and comparing and improving existing MANET routing protocols before any routing protocols are standardized using simulations. However, the simulation results from different research groups are not consistent with each other. This is because of a lack of consistency in MANET routing protocol models and application environments, including networking and user traffic profiles. Therefore, the simulation scenarios are not equitable for all protocols and conclusions cannot be generalized. Furthermore, it is difficult for one to choose a proper routing protocol for a given MANET application. According to the aforementioned issues, this paper focuses on MANET routing protocols. Specifically, my contribution includes the characterization of different routing protocols and compare and analyze the performance of different routing protocols.

Performance Comparison and Analysis of Mobile Ad Hoc Routing Protocols

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The hyperchaotic Qi system (Chen, Yang, Qi and Yuan, 2007) is one of the important models of four- dimensional hyperchaotic systems. This paper investigates the adaptive stabilization and synchronization of hyperchaotic Qi system with unknown parameters. First, adaptive control laws are designed to stabilize the hyperchaotic Qi system to its equilibrium point at the origin based on the adaptive control theory and Lyapunov stability theory. Then adaptive control laws are derived to achieve global chaos synchronization of identical hyperchaotic Qi systems with unknown parameters. Numerical simulations are shown to demonstrate the effectiveness of the proposed adaptive stabilization and synchronization schemes.

Adaptive Stabilization and Synchronization of Hyperchaotic QI System

CSEIJJournal

Data secrecy is one of the key concerns for wireless body sensor networks (WBSNs). Usually, a data secrecy scheme should accomplish two tasks: key establishment and encryption. WBSNs generally face more serious limitations than general wireless networks in terms of energy supply. To address this, in this paper, we propose an energy efficient data secrecy scheme for WBSNs. On one hand, the proposed key establishment protocol integrates node IDs, seed value and nonce seamlessly for security, then establishes a session key between two nodes based on one-way hash algorithm SHA-1. On the other hand, a low-complexity threshold selective encryption technology is proposed. Also, we design a security selection patter exchange method with low-complexity for the threshold selection encryption. Then, we evaluate the energy consumption of the proposed scheme. Our scheme shows the great advantage over the other existing schemes in terms of low energy consumption.

An Energy Efficient Data Secrecy Scheme For Wireless Body Sensor Networks

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A Mobile Ad hoc NETwork (MANET), is a self-configuring infra structure less network of mobile devices connected by wireless links. ad hoc is Latin and means "for this purpose". Each device in a MANET is free to move independently in any direction, and will therefore change its links to other devices frequently. Each must forward traffic unrelated to its own use, and therefore be a router. The primary challenge in building a MANET is equipping each device to continuously maintain the information required to properly route traffic. QOS is defined as a set of service requirements to be met by the network while transporting a packet stream from source to destination. Intrinsic to the notion of QOS is an agreement or a guarantee by the network to provide a set of measurable pre-specified service attributes to the user in terms of delay, jitter, available bandwidth, packet loss, and so on. The analysis is mainly between proactive or table-driven protocols like OLSR (Optimized Link State Routing) viz DSDV (Destination Sequenced Distance Vector) & CGSR (Cluster Head Gateway Switch Routing) and reactive or source initiated routing protocols viz AODV (Ad hoc on Demand distance Vector) & DSR (Dynamic Source Routing). The QoS analysis of the above said protocols is simulated on NS2 and results are shown thereby.

To improve the QoS in MANETs through analysis between reactive and proactive ...

CSEIJJournal

This paper introduces Topic Tracking for Punjabi language. Text mining is a field that automatically extracts previously unknown and useful information from unstructured textual data. It has strong connections with natural language processing. NLP has produced technologies that teach computers natural language so that they may analyze, understand and even generate text. Topic tracking is one of the technologies that has been developed and can be used in the text mining process. The main purpose of topic tracking is to identify and follow events presented in multiple news sources, including newswires, radio and TV broadcasts. It collects dispersed information together and makes it easy for user to get a general understanding. Not much work has been done in Topic tracking for Indian Languages in general and Punjabi in particular. First we survey various approaches available for Topic Tracking, then represent our approach for Punjabi. The experimental results are shown.

Topic Tracking for Punjabi Language

CSEIJJournal

In machine learning, the intelligence of a developed model is greatly influenced by the dataset used for the target domain on which the developed model will be deployed. Social media platform has experienced more of hackers’ attacks on the platform in recent time. To identify a hacker on the platform, there are two possible ways. The first is to use the activities of the user while the second is to use the supplied details the user registered the account with. To adequately identify a social media user as hacker proactively, there are relevant user details called features that can be used to determine whether a social media user is a hacker or not. In this paper, an exploratory data analysis was carried out to determine the best features that can be used by a predictive model to proactively identify hackers on the social media platform. A web crawler was developed to mine the user dataset on which exploratory data analysis was carried out to select the best features for the dataset which could be used to correctly identify a hacker on a social media platform.

EXPLORATORY DATA ANALYSIS AND FEATURE SELECTION FOR SOCIAL MEDIA HACKERS PRED...

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Phonetic matching plays an important role in multilingual information retrieval, where data is manipulated in multiple languages and user need information in their native language which may be different from the language where data has been maintained. In such an environment, we need a system which matches the strings phonetically in any case. Once strings match, we can retrieve the information irrespective of languages. In this paper, we proposed an approach which matches the strings either in Hindi or Marathi or in cross-language in order to retrieve information. We compared our proposed method with soundex and Q-gram methods. We found better results as compared to these approaches.

Rule-Based Phonetic Matching Approach for Hindi and Marathi

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A new two layer hierarchical routing protocol called Cluster Based Hierarchical Routing Protocol (CBHRP) is proposed in this paper. It is an extension of LEACH routing protocol. We introduce cluster head-set idea for cluster-based routing where several clusters are formed with the deployed sensors to collect information from target field. On rotation basis, a head-set member receives data from the neighbor nodes and transmits the aggregated results to the distance base station. This protocol reduces energy consumption quite significantly and prolongs the life time of sensor network. It is found that CBHRP performs better than other well accepted hierarchical routing protocols like LEACH in term of energy consumption and time requirement.

CBHRP: A Cluster Based Routing Protocol for Wireless Sensor Network

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Exploratory Data Analysis and Feature Selection for Social Media Hackers Pred...

CSEIJJournal

Wireless sensor network localization is an importantarea that attracted significant research interest.. Hence, localization schemes for wireless sensorAlthough mobility would appear to make localization more difficult, in this paper We present a new method bywhich a sensor node can determine its location by listening to wireless transmissions from three or more fixed beacon nodes and argue that it can exploit mobility to improve the accuracy and precision of localization. Our approach does not require additional hardware on the nodes and works even when the movement of seeds and nodes is uncontrollable. The proposed method is based on aDistance/ Angle- Estimation technique that does not increase the complexity or cost of construction of the localization sensor nodes. It determines how the available information will be manipulated to enable all of the nodes of the WSN to estimate their positions. It is a distributed and usually multi-hop algorithm

The Key Metric forEvaluation Localizationin Wireless Sensor Networks via Dist...

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In this paper, we propose a routing protocol that is based on securing the routing information from unauthorized users. Even though routing protocols of this category are already proposed, they are not efficient, in the sense that, they use the same kind of encryption algorithms (mostly high level) for every Bit of routing information they pass from one intermediate node to another in the routing path. The proposed mechanism is evaluated against selected alternative trust schemes, with the results showing that our proposal achieves its goals.Our research aims at providing a secure and distributed authentication service in the ad hoc networks.

Performance and Simulation Study of TheProposed Direct, Indirect Trust Distri...

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