Journal of Web Engineering & Technology vol 3 issue 3 by STM Journals

ISSN 2455-1880 (Online)

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Journal of Web Engineering & Technology ISSN: 2455-1880 (online)

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Dr. Shankargouda Patil

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Prof. Subash Chandra Mishra

Prof. Sundara Ramaprabhu

Professor Department of Metallurgical and Materials Engineering National Institute of Technology, Rourkela Odisha, India

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Dr. S. R. Balasundaram

Dr. N. P. Gopalan

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Arockia Xavier Annie R Asst. Prof, College of Engineering Anna University, Chennai - 600025 India.

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It is my privilege to present the print version of the [Volume 3 Issue 3] of our Journal of Web Engineering & Technology, 2016. The intension of JoWET is to create an atmosphere that stimulates vision, research and growth in the area of Web Engineering. Timely publication, honest communication, comprehensive editing and trust with authors and readers have been the hallmark of our journals. STM Journals provide a platform for scholarly research articles to be published in journals of international standards. STM journals strive to publish quality paper in record time, making it a leader in service and business offerings. The aim and scope of STM Journals is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high level learning, teaching and research in all the Scientific, Technical and Medical domains. Finally, I express my sincere gratitude to our Editorial/ Reviewer board, Authors and publication team for their continued support and invaluable contributions and suggestions in the form of authoring writeups/reviewing and providing constructive comments for the advancement of the journals. With regards to their due continuous support and co-operation, we have been able to publish quality Research/Reviews findings for our customers base. I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.

Dr. Archana Mehrotra Managing Director STM Journals

Journal of Web Engineering & Technology

Contents

1. Object Oriented Web Software Maintainability using Fuzzy Logic Shreesh Raj

2. Design and Implementation of Crawler for Discovering Deep-Web Interfaces Raju Dara, Saikiran

3. Cooperation Based Mechanism to Contrast Black Hole Attack in DTN Karishma, Nidhi

4. Design of a Technique to Improve Software Maintenance Using Fuzzy Logic Shreesh Raj, Ritesh Kumar

5. Research and Industrial Insight: Web Engineering and Technology 28

Journal of Web Engineering & Technology

ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

Object Oriented Web Software Maintainability using Fuzzy Logic Shreesh Raj* Department of Software Engineering, Gautam Buddha University, Greater Noida, Uttar Pradesh, India Abstract

In the software development lifecycle, maintenance is the most costly activity because it requires more effort compared to other activities. Maintainability is considered as important factor for development of good quality software. Nowadays web application is very complex and hard to maintain. In order to estimate the maintainability of object oriented web application, this paper uses some quantitative metrics for predicting maintainability of object oriented web application. Maintainability can be estimated by some quantitative metrics. In this paper, some object oriented metrics and web application metrics are used to estimate the maintainability. In order to estimate the maintainability paper considered a real object oriented web application, which is made on.net Framework4, C# Programming Language..net is also an object oriented programming language. A maintainability model is proposed using the fuzzy logic. Keywords: Web application, Object oriented metrics, Web metrics, Maintainability (M), Depth of inheritance (DIT), Lines of code (LOC)

INTRODUCTION

Software maintainability can be defined as â&#x20AC;&#x153;The change in software to fix the error and to enhance the performance and quality of the software productsâ&#x20AC;?. For the entire life cycle of software products, the factor maintainability is one of the most important quality characteristics [1]. This Research paper is estimating the maintainability of the object oriented web application. Web applications are those which run on a web server, in which user can access the web application with the help of a web browser. In this era, web application is being made by some advance programming language like C#. It is very difficult to estimate the maintainability of the web application. There are various ways to estimate the maintainability. Many studies show that a strong relationship between object oriented metrics and software maintainability. Many object oriented metrics has been proposed. Paper estimates the maintainability using some metrics. Many metrics have been proposed by various researchers to estimate the maintainability of software. Paper uses both object oriented metrics and web metrics to estimate the maintainability of the object oriented web software. Research paper

included the object oriented metrics like Line of Code, Class Complexity, Class Coupling, Depth of Inheritance and Web Metrics Size, Structural Complexity, Control Coupling, Data Coupling, Reusability. Web applications are required to be maintained due to some features of web applications like heterogeneity, dynamic nature. The main aim of this paper is to estimate the maintainability on the basis of the metrics discussed above. Paper proposes a fuzzy model to estimate the maintainability of object oriented web application.

RELATED WORK

Software maintenance is an important part of a software life cycle. It is the last phase of software lifecycle. It can consume as much as 90% of the total effort expended on a system in its lifetime. It has been widely studied by many researchers. The maintainability of object oriented software can be measured using different metrics. Many researchers used object oriented metrics to estimate the maintainability of the object oriented software. Proposed a maintainability model using object oriented metrics and compared the software made on different programming languages. Researchers found C++ programming language

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Journal of Web Engineering & Technology

ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

Design and Implementation of Crawler for Discovering Deep-Web Interfaces Raju Dara, Saikiran*

Department of Computer Science Engineering, Krishna Murthy Institute of Technology and Engineering, Jawaharlal Nehru Technological University, Hyderabad, Telangana, India

Abstract

Deep web is growing faster which is generally hidden. The discovery of deep web can provide more information about web applications. Due to the dynamic nature of web applications and large volume of the web resources, it is not easy to locate deep-web interfaces. In this paper we propose a crawler to discover deep web interface. We designed and implemented the crawler using a prototype application in Java platform. The crawler is responsible to obtain details of deep web interfaces. We used the concept of pre and post query forms in order to have accurate classification of forms. We proposed an algorithm to make use of pre and post query forms to discovery deep web interfaces. Our empirical results revealed that the proposed algorithm is useful to discover hidden interfaces from deep web. Keywords: Crawler, deep-web interfaces, pre-query form, post-query form

INTRODUCTION

Internet has become an essential platform for running web sites and web applications. The informative and interactive applications are running over World Wide Web to serve people across the globe. The usage of web applications is becoming more and more with dynamic web applications used by organizations. Such web applications might be hidden and this paper throws light into the discovery of web interfaces generally not shown. Deep web refers to the web content which is behind searchable web interfaces. The web applications in the Internet are dynamic in nature and they are made up of plethora of web resources. The web resources are hidden in the deep web that need to be discovered. In this paper we proposed an algorithm that is used to explore pre-query and post-query concept in order to discover deep web interfaces effectively. We built a prototype application to demonstrate the proof of concept. The empirical results are encouraging. The remainder of the paper is structured as follows: Next section provides review of literature. Subsequent sections present the proposed system in detail and experimental results while last section concludes the paper.

RELATED WORKS

There are many techniques in the real world for understanding deep web as explored in Ref. [1–5]. There are many hidden web crawlers that are used to discover web interfaces hidden in WWW [6–8]. There are deep web samplers that are applications to model deep web interfaces [9–11]. For all applications of this kind it is very challenging to discover content from deep web. Locating web content there are approaches that are explored in Ref. [12]. Google index is associated with sampling of web pages around 25 million. Generic crawlers are able to crawl all kinds of content over web. However, they are not sufficient to have deep web interfaces. Later on researches explored using special crawlers in order to discover deep web interfaces [13–20]. In this paper we proposed an algorithm that can be used by web crawler in order to have flexible deep web interface search using pre-query and post-query forms.

PROPOSED SYSTEM

We proposed an algorithm for deep web exploration. The proposed algorithm can take deep web forms of post query and pre-query as inputs and performs crawling in order to obtain improved accuracy in classification of web forms discovered from deep web (Algorithm 1).

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ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

Cooperation Based Mechanism to Contrast Black Hole Attack in DTN Karishma, Nidhi

Department of Computer Science and Applications, Kurukshetra University, Kurukshetra, Haryana, India

Abstract

Delay tolerant network (DTN) has intermittent node connectivity and nodes are highly mobile. Most often DTN behaves abnormally due to the presence of various malicious nodes and because of challenging environment they try to gain the benefit of presenting itself as a normal node. In this thesis, we focused on black hole attack. A black hole node silently removes or drops the packets without acknowledging the source and destination. When black holes are presented in networks, then message drop rate increases, also message delay increases. To identify or detect black hole attack, we propose a cooperation based mechanism that uses concept of CTV (Collective Trust Value). The proposed mechanism has been implemented on ONE simulator with different performance metrics and compared with existing technique. Keywords: DTN (Delay Tolerant Network), black hole, CTV (Collective Trust Value), cooperation, ONE (Opportunistic Network Environment)

INTRODUCTION

Delay tolerant network is a system that is getting growing interest in network research community [1]. Delay tolerant networking is a very promising technology for realizing the ubiquitous vision. Based on the increasing pervasiveness of our world, and on realizing end-to-end connectivity constraint, it can better exploit social characteristics via context awareness. We have investigated some of the important aspects of delay tolerance networks and demonstrated how network performance can be improved with shortest path map based mobility model [2]. If two nodes in a DTN want to communicate, they do so by using the concept of store-carry-and-forward technique. Most often DTN behaves abnormally due to the presence of various malicious nodes and because of challenging environment they try to gain the benefit of presenting itself as a normal node [3]. One malicious node is ‘Black Hole node’ which silently removes or drops the packets without acknowledging the source and destination [4, 5].

Nath et al. proposed a cluster-based scheme which was called black hole attack prevention system in clustered MANET (BHAPSC) which explored the existence of malicious nodes and discovered their exact position at specific time [7]. It maintained a friendship table for checking relationship of cluster head with its neighbor node. Gupta et al. proposed a novel cooperative faith based strategy to combat selfish and black hole attacks in DTN supporting architecture of a post disaster scenario [8]. The CFV calculation incorporated the cooperation from other neighboring nodes to arrive at a decision to forward a message or not. This approach was quite efficient in DTN because of its dynamically changing connections and inability to support central control. Author strategy incurred a negligible overhead on the network while providing good benefits in terms of improved delivery ratio and decreased latency. It also reduced unwanted packet drops.

RELATED WORK

Surana et al. proposed a watchdog mechanism [6]. Watchdog mechanisms used promiscuous mode to detect a malicious node during route determination phase and provided an alternate route. JoWET (2016) 17-20 © STM Journals 2016. All Rights Reserved

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ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

Design of a Technique to Improve Software Maintenance Using Fuzzy Logic Shreesh Raj*, Ritesh Kumar Department of Software Engineering, Gautam Buddha University, Greater Noida, Uttar Pradesh, India Abstract

Maintainability is one of the most important aspects of software development. In that, maintenance costs account for at least 60–65% of total software lifetime costs. Software quality is the most important factor in the development of any software, which can depend on many quality attributes. Fuzzy logic is one of the techniques, which can be used to establish the relationship between object oriented metrics and software maintainability. In this paper we discuss the estimation of software maintainability using fuzzy logic. In this paper, we proposed a new model using fuzzy inference system for finding the performance of software maintenance. We have used six different object oriented metrics i.e. adaptability (AD), complexity (CLX), understandability (USD), document quality (DocQ), readability (RD) and modifiability (MDY) for accessing software maintainability levels using fuzzy logic. We take triangular membership function defined in fuzzy inference system in MATLAB for these metrics in order to predict better software maintainability. Keywords: Fuzzy logic, fuzzy inference system, complexity (CLX), adaptability (AD), understandability (USD), document quality (DocQ), readability (RD), modifiability (MDY), triangular membership function (TriMF), rule base and knowledge base

INTRODUCTION

Software maintenance and maintainability is defined by many research scholars in their respective paper, but the most accepted standard objective of maintenance is given by IEEE. According to IEEE, standard definition of maintenance is “the process of changing a software system or component after delivery, to correct bugs, enhance efficiency or other factors, or suitable to a new environment [1]. It can be redefined as “Maintainability of software is the degree, to which it can be corrected, understood, adapted and/or enhanced [2]. Correcting the defect is the most crucial segment in maintenance of software. Software maintenance is the most important part in software engineering, and software maintenance is divided into four areas: Adaptive Maintenance It is the maintenance where modification is supposed to be done after the delivery of software product to keep a software product usable in the new environment.

Corrective Maintenance It is the maintenance where main objective is to identify, isolate, and repair a faulty equipment, machine, or system can be restored to a working condition. Perfective Maintenance It is also done after the delivery of software to improve the efficiency, maintainability, or performance of software component. Preventive Maintenance It aims to address the problems, which are not noteworthy at that time but play a major problem in future.

RELATED WORK

Software maintenance is most important part of software development life cycle. It means any modifications and updations is supposed to be done after the delivery of software product. A lot of various models are given by different researchers for the better maintainability of software product. Pratap et al. proposed a model for predicting software maintainability, which works on five different

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ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

Research and Industrial Insight: Web Engineering and Technology A new software for examine Interior Sculpture One of a Student from University of Granada (UGR) developed a software that adjust current medical innovation to investigate the inside of models. It's a device to see the inside without harming wood carvings, and it has been intended for the reclamation and protection of the sculptural legacy. Francisco Javier Melero, educator of Languages and Computer Systems at the University of Granada and executive of the venture, says that the new programming rearranges therapeutic innovation and adjusts it to the necessities of restorers working with wood carvings. The product, called 3DCurator, has a specific viewfinder that utilizes figured tomography in the field of rebuilding and protection of sculptural legacy. It adjusts the medicinal CT to rebuilding and it shows the 3D picture of the cutting with which it will work. Substituting the customary X-beams for this framework permits restorers to look at the inside of a statue without the issue of covering data displayed by more seasoned methods, and uncovers its inner structure, the age of the wood from which it was made, and conceivable augmentations. "The product that does this task has been streamlined keeping in mind the end goal to permit any restorer to effectively utilize it. You can even modify a few capacities, and it permits the restorers to utilize the most recent therapeutic innovation used to study pathologies and apply it to helpful procedures of wood models," says teacher Melero. This framework, which can be downloaded for nothing from www.3dcurator.es, imagines the shrouded data of a cutting, confirms in the event that it contains metallic components, distinguishes issues of xylophages like termites and the passage they make, and identifies new mortars or polychrome works of art included later, particularly on the first wraps up.

The principle engineer of 3DCurator was Francisco Javier BolĂvar, who focused on that the instrument will mean a striking leap forward in the field of protection and rebuilding of social resources and the examination of show-stoppers by specialists in Art History. Educator Melero clarifies this new instrument has as of now been utilized to look at two models claimed by the University of Granada: the statues of San Juan Evangelista, from the sixteenth century, and an Immaculate from the seventeenth century, which can be practically inspected at the Virtual Heritage Site Of the Andalusian Universities. Flying Car: Dream Comes True George Jetson hold his entire attention to make a car for his kids that can fly also, even people also dream about that car because it will help to clear the traffic problem. Inventors and entrepreneurs have been tried to make this kind of car a while ago but dropped the idea of this fantasy because of the failure. Many companies in the whole world including some aircrafts creator create an air car by which it is easy to overcome form the crowded area. A few cars have a technique to unfold their wings for flying but they were not able to give this facility to all the cars. Usually they first take off and arrive vertically like a chopper. They have many small rotors in place of a single large one. Each rotor is operated by a battery-powered electric engine instead of aircraft engine. There is no surety that flyingauto dreams will transform into reality. There are numerous deterrents, including persuading controllers that the air ship are protected, making sense of how to deal with a large number of extraordinary failure flying air ship over urban communities without impacts and creating batteries that will keep them overtop sufficiently long to be valuable. Business people are pushing ahead. They see a boundless potential market for "air taxis" and claimed little air ship to transport individuals

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ISSN: 2455-1880(online) Volume 3, Issue 3 www.stmjournals.com

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ISSN 2455-1880 (Online)

Journal of

Web Engineering & Technology (JoWET) Mayâ&#x20AC;&#x201C;August 2016

STM JOURNALS Scientific

Technical

Medical