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Software analysis and design includes all activities, which help the transformation of requirement specification into implementation. Requirement specifications specify all functional and non-functional expectations from the software. These requirement specifications come in the shape of human readable and understandable documents, to which a computer has nothing to do. Software analysis and design is the intermediate stage, which helps human-readable requirements to be transformed into actual code.

Software Analysis, DFD, HIPO

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Bindia Tarika, "Review on Software Analysis & Design Tools," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.115-119, 2020.

Multicast is the only prominent method for transmitting data from a single source to several known destinations. More than ever, in wireless sensor networks, with the help of unguided medium, a single transmission able to be received by all nodes within a transmission range. A wireless sensor network (WSN) are spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. and to cooperatively pass their data through the network to a main location. For that reason, the multicast in wireless networks is anticipated to lay concrete on the way for efficient group communications, by which many group-based applications, such as charged video on demand or video conferencing, can be commercialized. In WSNs security, the key management problem is one of the most important and the most fundamental aspects. To attain security in wireless sensor networks, it is significant to be able to encrypt and authentication messages among sensor nodes. Before doing so, keys for performing encryption and authentication must be agreed upon by the communication nodes among the WSN. Nevertheless, due to the resource constrains on the sensor nodes, many key agreement mechanisms used in general networks, such as Diffie-Hellman and other public-key based schemes , are not feasible in sensor networks.

WSN, Multicast Rekeying, key tree, Accuracy, Computation and Communication time

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S. Sasikala Devi, "Ensuring Secured Multicast Group Communications for Wireless Sensor Networks using Efficient Key Distribution Schemes," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.120-126, 2020.

The wireless sensor network is the type of network, which is used to sense the environmental conditions like temperature, pressure etc. This type of network is generally deployed on the far places like oceans, forests and deserts, in such places, it is very difficult to recharge or replace battery of these sensor nodes. To reduce energy consumption of sensor nodes various techniques has been applied so far. Among these, one is by using LEACH protocol used for clustering in which cluster heads are selected on the basis of distance and energy. Then various modes are applied on this protocol such as active, sleep and ready mode. Nodes will go into the sleep, active and ready based on the priority of request for the channel access. The main problem exists in this is of clock synchronization due to which packet loss happened in the network which reduce network performance. In this paper, further enhancement will be proposed in the existing protocol by synchronizing the clocks of sensor nodes based on time lay technique. Then the proposed technique will be implemented in simulated in NS2. The graphical result will show that proposed technique performs better than existing protocol in terms of throughput, packet loss, energy, overhead, delay.

Wireless Sensor Network (WSN), Clock synchronization , energy consumption

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[11] Anand, D., G., Chandrakanth, H., G., and Giriprasad, M., N., D., “An Energy Efficient Distributed Protocol For Ensuring Coverage And Connectivity (E3c2) Of Wireless Sensor Networks”, International Journal of Ad hoc, Sensor & Ubiquitous Computing (IJASUC) Vol. 3, No.1., 2012
[12] Sheikh Tahir Bakhsh, Rayed AlGhamdi, Abdulrahman H. Altalhi, Sabeen Tahir and Muhammad Aman Sheikh, “Adaptive Sleep Efficient Hybrid Medium Access Control algorithm for next generation wireless sensor networks” , EURASIP Journal on Wireless Communications and Networking, vol.84, pp.1-15, 2017.

Neetu, Bharti Duhan, "A Technique To Improve MAC In WSN With Clock Synchronization," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.127-131, 2020.

As Online Social Networks have become the integral part of our lives, the pros and cons of using them have been reflected in the society. On one hand, these online networks are the easiest ways to connect with your peers, communities and good for social and professional collaborations; on the other hand, they are the most vulnerable means of spreading rumors, threats and gossips within no time. There are several information diffusion algorithms using which the rumors can be shared on these mediums. The ways companies target and increase their customer base and sales using these diffusion algorithms, similarly rumors and gossips among the communities can also be shared. Some algorithms are deterministic and some are stochastic in nature. In this paper, we have reviewed the methods for spreading and blocking the rumors and compared them in the context of dynamic social networks. We have categorized the approaches on the basis of various measures and analysed their behavioural differences. The impact of several social parameters have also been studied to find the factors which are preferable to block the rumors.

Social Networks, Information Diffusion, Rumor Blocking, Dynamic Graphs, Anti-rumors

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P. K. Tiwari, M. K. Singh, A.K. Bharti, "Approaches to Block Rumors in Social Networks: A Review," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.132-136, 2020.

Cloud computing is growing rapidly due to its attractive features. Load on cloud is escalating rapidly due to the increase of new applications. An efficient use of cloud depends on several aspects such as security, speed, privacy etc. Load balancing ensures that every device and processor perform equal number of tasks in equal amount of time. Load balancing contribute to a reduction of resource consumption, set failover, enable expandability, avoid bottleneck and over-provisioning etc. So, this paper discusses basics of load balancing, issues, challenges, benefits, metrics, types and various techniques of load balancing in cloud computing.

Resource Allocation, Cloud Computing, Load Balancing, Virtual Machines, CPU, QoS

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Roopali Gupta, Meenu Dave, "Load Balancing Issues and Techniques In Cloud Computing," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.137-140, 2020.

Sentiment analysis or opinion mining is one of the fastest growing fields with its demand and potential benefits that is increasing every day. With the onset of the internet and modern technology, there has been a vigorous growth in the amount of data. Each individual is able to express his/her own ideas freely on social media. All of this data can be analysed and used in order to draw benefits and quality information. In this paper, the focus is on cyber-hate classification based on for public opinion or views, since the spread of hate speech using social media can have disruptive impacts on social sentiment analysis. In particular, here proposing a modified fuzzy approach with two stage training for dealing with text ambiguity and classifying three type approach positive, negative and neutral sentiment, and compare its performance with those popular methods as well as some existing fuzzy approaches.

Ambiguity, cyber hate, fuzzy, Sentiment analysis

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Supriya M. Yawalkar, A.S. Kapse, "Data Classification Approach For Text Analysis and Its Ambiguity," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.141-145, 2020.

Energy saving has become prime concern everywhere. When we talk about it, the first thing that comes in mind is Smart Grid. Smart Grids the perfect solution for saving and optimizing the energy usage. IoT do not need any introduction in the current scenario. IoT technology helps in checking the proper usage of energy. In this paper, the focus is given on the design of smart home that will use smart grid coupled with IoT technology. The working of this system, protocols used by this system and challenges of the same is discussed in this paper.

Smart Grid, IoT, Smart home

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Raushan Kashypa, "Smart Home Design Using IoT," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.146-150, 2020.

Crime, an unlawful act, causes terror and threat to our society and is a major concern for national security as well as international security. However, very negligible work has been done to develop models and methods to hold an active collaboration between counter terrorism and criminal investigation systems. The need is felt to develop a system that collects as well as categorise the data on crimes along with an analysis of crime affected areas identification. In this study, an efficient crime investigation system is proposed in which fuzzy rules and k mean clustering algorithm is employed to identify and detect crime affected region along with showing it on the map. The study of Data Mining and NLP is incorporated for crime detection and prevention with an aim to provide a safer society to live.

Counter terrorism; Crime detection; Social Media; Data mining; Geo-Spatial; NLP

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Pallavi, Rajeev Kumar Bedi, Sunil Kumar Gupta, "Counter-Terrorism and Crime Detection Using Hybrid Approach of Data Mining, NLP and GEO-Spatial Social Media Analytics," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.151-158, 2020.

A technical popular expression is cloud computing in the precedent period that gives a change in outlook where calculation power, stockpiling and system assets are given as an administration. Rather than purchasing costly equipment and programming which needs establishment, setup, upkeep; the cloud computing encourages the use of cloud application and foundations dependent on compensation as you go plot. Provincial populace being most of Indian populace has the capability of making India a financial superpower and a created nation yet in the present situation this greater part is totally unaware of the power and ability of Information innovation in progress of business openings and work in light of the gigantic expenses brought about on foundation, programming and so on. This paper examines way through which the `cloud computing` worldwide can assist the provincial populace in conquering these obstacles and which will at last lead to country zone advancement and a general monetary advancement of the country.

Cloud Computing, Rural, Agricultural, SaaS, Platform, Service

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Study of Threats, Risk and Challenges in Cloud Computing”, Isroset-Journal (IJSRCSE), Vol. 1, Issue. 1, pp. 26-30, Jan-2013.
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A.K. Gupta, R.K. Dwivedi, K. Mukharjee, "Cloud Computing Towards Rural Development in India," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.159-165, 2020.

Underwater Wireless Sensor network is an emerging to be a promising technology in unveiling the mysteries of the marine life and other underwater applications. Routing in underwater wireless sensor networks differs from routing in global wireless sensor networks. However, distinctive features of UWSNs like multipath propagation delay, limited bandwidth, and energy constraints. This paper presents a Multipath Packet Forwarding (MPF) protocol with modified Dijkstra path searching algorithm is used for dynamic data transmission in this work. The proposed Multipath Packet Forwarding protocol is used for multiple paths which loops free and disjoint in message communication. In addition, during the path selection of the best shortest path forwarder node, the robust weight function parameters make it more efficient to consume minimum energy. The experimental result analysis indicates that Multipath Packet Forwarding (MPF) protocol with modified Dijkstra path searching algorithm has very good adaption ability to the UWSN in terms of Throughput, Packet Delivery Ratio (PDR), Packet Loss Ratio and Energy consumption.

Underwater Sensor Network, Routing, WSN, Dijkstra, Multi-path

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P. Devi, T. Ramesh, "An Efficient Multipath Packet Forwarding (MPF) Protocol with Modified Dijkstra Path Searching Algorithm in Underwater Wireless Sensor Network," International Journal of Computer Sciences and Engineering, Vol.8, Issue.1, pp.166-173, 2020.