An investigative survey of the application of Social Network Analysis on e-commerce is presented and methods to improve e-commerce activity in this region is reported. The research reviewed relevant papers by survey based on the existing research work in the field of e-commerce, using social network analysis. This research presents an investigation on the application of social network analysis on e-commerce, with a case study of the user’s perception in the South West Region of Nigeria. An investigation that was carried out revealed the different research works of others and the research was built upon by the metric presented. This approach was applied to influence the importance of Social Network Analysis in e-commerce. The data collected and the methods used by researcher proved the usefulness of the measures used in Social Network Analysis of e-Commerce. This research shows that the importance and potential of Social Network Analysis on e-commerce, is particularly, based on how Social Network Analysis has been used to improve e-commerce recommender systems which can give users a better shopping experience in Nigeria. Using Social Network Analysis for E-commerce in South west Nigeria to improve e- commerce activities

Adeshakin, K.

Ayo, C. K.

Misra, Sanjay

Olajide, Funminiyi

An investigative survey of the application of Social Network Analysis on e-commerce is presented and methods to improve e-commerce activity in this region is reported. The research reviewed relevant papers by survey based on the existing research work in the field of e-commerce, using social network analysis. This research presents an investigation on the application of social network analysis on e-commerce, with a case study of the user's perception in the South West Region of Nigeria. An investigation that was carried out revealed the different research works of others and the research was built upon by the metric presented. This approach was applied to influence the importance of Social Network Analysis in e-commerce. The data collected and the methods used by researcher proved the usefulness of the measures used in Social Network Analysis of e-Commerce. This research shows that the importance and potential of Social Network Analysis on e-commerce, is particularly, based on how Social Network Analysis has been used to improve e-commerce recommender systems which can give users a better shopping experience in Nigeria. Using Social Network Analysis for E-commerce in South west Nigeria to improve e-commerce activities

Olajide, F

Adeshakin, K

Misra, S

Ayo, CK

Nottingham Trent Institutional Repository (IRep)

On the investigation of social network analysis for e-commerce transaction in South-West region of Nigeria

Covenant University Repository

F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23108                                                                                                                            ISSN: 0975-766X                                                                                                                                    CODEN: IJPTFI                                                               Available Online through                            Research Article www.ijptonline.com ON THE INVESTIGATION OF SOCIAL NETWORK ANALYSIS FORE-COMMERCE TRANSACTION INSOUTH-WEST REGION OF NIGERIA F. Olajide1*, K. Adeshakin1, S.Misra1, C.K. Ayo1 1Department of Computer and Information Sciences Covenant University, Ota, Nigeria. Email: funminiyi.olajide@cu.edu.ng Received on: 20.10.2016                                                                                                             Accepted on: 25.11.2016 Abstract An investigative survey of the application of Social Network Analysis on e-commerce is presented and methods to improve e-commerce activity in this region is reported. The research reviewed relevant papers by survey based on the existing research work in the field of e-commerce, using social network analysis. This research presents an investigation on the application of social network analysis on e-commerce, with a case study of the user’s perception in the South West Region of Nigeria. An investigation that was carried out revealed the different research works of others and the research was built upon by the metric presented. This approach was applied to influence the importance of Social Network Analysis in e-commerce. The data collected and the methods used by researcher proved the usefulness of the measures used in Social Network Analysis of e-Commerce. This research shows that the importance and potential of Social Network Analysis on e-commerce, is particularly, based on how Social Network Analysis has been used to improve e-commerce recommender systems which can give users a better shopping experience in Nigeria. Using Social Network Analysis for E-commerce in South west Nigeria to improve e-commerce activities. Keywords: Nigeria; social network analysis; recommender systems; vendors; e-Commerce. 1. Introduction Social Network Analysis is a technique for investigating social structures and to employs network theory methods in order to analyze social networks activities based on social relationships. According to Pinheiro (2011), networks systems are made up of nodes, which form the entire network such like individuals, groups or organizations were connected by edges of interactions, relationships, friendship networks, kinship, and financial transactions1.  The research work of Alessia (2009), discussed how Social Network Analysis can be made possible to visualize social structures such as social media networks, disease transmission, transactions, kinship through sociograms (a F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23109   graphical representation of social links)2. Sociograms represents nodes as points and ties between the nodes as lines. Evelien3, presented that there has been an increased interest in social network analysis and stated other related fields of study where networks play an important role with examples, which includes computer science, geography and artificial intelligence.  Cassidy 4defined e-commerce as a cashless method of transaction that can be done electronically, by using the internet and networks.  Turban et al (2003), in their paper put readers into realization that over the years, e-commerce has evolved from just buying and selling5. This is extended to other businesses, as related task to such as inventory of goods, logistics of goods, managing production and after sale services.  The acceleration of the internet era has made the e-commerce industry grow rapidly and thus, every commerce based organization has found e-commerce website indispensable6. However, the e-commerce industry in developing countries is still lagging behind to satisfy the dynamic and challenging needs of its users. This paper investigated on different application of social network analysis of e-commerce. Some related research works would be summarized and also, the methods of gathering data for social network analysis and with different measures of centrality, which plays a key role in analyzing social networks including, a brief of discussions and suggestions for further work. This section presents a summary of research work carried out on the importance of Social Network Analysis and its application on e-commerce business transaction. 1.1Social network analysis in e-commerce Mohammad Dehghan7 used social network analysis to develop a recommendation algorithm for customer to customer on e-commerce model, by considering special features of customers to customers on e-commerce websites. The research of Mohammad (2014), focused on users and transactions, which formed the map and the network which made it possible to incorporate link prediction techniques that are used in building the recommender system. According to Ehsan et al8, their research work diverted focus on the application and also, the necessity of social networking in e-commerce using a case study of Etka Chain Store9. This research showed the significant relationship between e-commerce and commercial, cultural, legal, technological and social network infrastructures and also notes social network as one of the main factors in the growth of e-commerce.  Stephen Guo (2011), presented paper on the role of social networks in online shopping using taobao. This is one of the largest e-commerce website that are able to find out determine communication between buyers, a fundamental F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23110   driver of purchasing activity, which demonstrated that social network is an important feature that can be used to predict how consumers choose who to transact with10. But, Jianming (2010), presented a social network based recommender system that inferred recommendation through considering users own preference, and the general acceptance of an item with the influence from friends11. Tad hogg carried research work on inferring preference correlation from social networks to identify consumer preferences as a challenge in customizing e-commerce sites for individual users12. This research further evaluated the advantages of inference from online social networks as it was built on Yunhong XU (2009), which focused on using social network analysis as a strategy for e-commerce recommendation. This research presented some examples to depict how social network analysis can be used for providing personalized recommendations to customers and research opportunities13. Swamynathan (2008), argued on social market places to see if social networks improve e-commerce. The research focused only on overstock auctions using a novel auction site that can integrate social links into user profiles14. There is a research recommendation system that makes use of trading relationships to calculate the level of recommendation for trusted online auction sellers15Wang jyun-cheng (2008), presented research on trusted online auction and recommended trusted online auction to sellers using Social Network Analysis16. However, the impact of social connection on business transactions was evaluated by Swamynathan et al.; to found out that those that transact with friends of friends can obtain higher user satisfaction than those that do not transact with friends of friends17. In this research, Social Network Analysis metrics is formulated and to be applied on e-Commerce transactions. 2. Methods Used For Social Network Analysis In E-Commerce Social network analysis applies network theory to analyze social networks in terms of social relationships. Networks are classified as sets of nodes (individuals, groups, and organizations) connected by edges (relationships, friendship, kinship, financial transactions). Nodes and edges form networks and thus, networks could either be offline networks or online networks. Offline networks are based on relationships among nodes in the network, relationships like communication between nodes, kinship, friendship while online networks are in the form of online social networking websites like Facebook, Instagram and Twitter that allows users to interact via chatting, sharing pictures, sending messages etc. 2.1 Methods for analysis There are four measures of centrality that are widely used to analyze social networks: degree centrality, betweeness centrality, closeness centrality and eigenvector centrality. F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23111   2.1.1 Degree centrality Degree centrality refers to the number of direct links or connections to a node in a network. A node with high degree centrality in a network is considered to be a very important node in that particular network. In a directed network, that is, if the ties or edges have direction, two measures of degree centrality can be defined as indegree and outdegree. Indegree involves several nodes being directed to a single node.  This represents the importance of that node in the network and are often said to be prominent or have high prestige in the network. Outdegree on the other hand involves a single node being directed to many other nodes, that is, nodes with high outdegree centrality are often referred to as influential nodes. Degree centrality of a node in a network can be mathematical represented as, 𝐺𝑖 = 𝑗∈𝐺𝐴𝑖𝑗𝑁−1           (1) N.B social networks are generally represented as adjacency matrix A Where Aij refers to the element in the adjacency matrix A at ijth position, N refers to the number of nodes in the network and (N-1) is the factor for normalization. 2.1.2 Betweeness centrality Betweeness centrality is a measure used for identifying nodes that serves as bridges in a network. This is nodes that other nodes must pass through to pass information to another node. A node with high betweeness centrality is considered an important an influential node in a network. Betweeness centrality of a node in a network can be mathematically represented as,  𝐵𝑖 = 𝑗 ,𝑘=𝐺𝑔𝑗𝑘 (𝑖)𝑔𝑗𝑘 (𝑁−1)(𝑁−2)          (2) Where gjk represents the total shortest part between two nodes j and k and gjk(i) refers to the total shortest path between j and k which passes through node i. (N-1) (N-2) represents normalization. 2.1.3 Closeness centrality Closeness centrality emphasizes distance between a node and other nodes in a network that is, describing how fast other nodes in a network of nodes can be reached from a node. This can also be said to be the mean length of all shortest paths between a node and other nodes in a network. Closeness centrality of a node can be mathematically represented as, 𝐶𝑖 =𝑁−1 𝑗∈𝐺  𝑑𝑖𝑗           (3) F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23112   Where dij represents distance or path length between two nodes i and j. 2.1.4 Eigenvector centrality Eigenvector centrality tends to find the most central nodes in terms of the overall structure of the network. It can describe to be a measure of relative importance of a node, but in a term of reference and influence of that node to another node in the network. A node with a high eigenvector centrality is considered a leader node in the network because it is more central and has influence over other nodes in the network. According to Vedanayaki (2014), data mining techniques can help in eliciting needed data from a large set of data using social network analysis17. Generally, Eigenvector centrality can be represented as,  𝑋𝑖 =1𝜆 𝐴𝑖𝑗 .𝑋𝑗𝑗𝜖𝑁 𝑏𝑖           (4) Where Nbi represents neighboring nodes of i and 𝜆 is eigenvalue. Xj is the eigenvector centrality of node j and Aij refers to the element in the adjacency matrix A at ijth position. 3. Discussion Social network analysis has indeed improved electronic commerce and is helping e-commerce to reach its full potential year after year. With the help of social network analysis, especially in the area of recommender systems, social network analysis has made it possible for e-commerce vendors to satisfy customers by providing them with complementary products that previous customers have also acquired. Social Network analysis on e-Commerce helps with product ranking and with number of sales which convinces the customer to purchase the product and thus increases daily sale of the e-commerce vendors’ products. According to MyBuys research (Kohler, 2015), it was recorded that there are over 100 top Internet sellers that uses recommender systems for recommending products to users in the shopping cart. This has resulted to a lead of 91.5% increase in conversion rate. This means that users of the products that were recommended are resulted in 91.5% of the product purchasing. This may classified as one of the recommended products which shows how much social network analysis has improved the user activity on e-commerce websites. Besides increase in conversion rate, social network analysis has also helped e-commerce vendors to gain better insights on customer preferences by data mining, which is sales behavior which has made it possible for e-commerce vendors to know how their customers think about which products they preferred as preferences to others. 4. Summary and Conclusion This research presents an investigation on the application of social network analysis on e-commerce, with a case study of the user’s perception in the South West Region of Nigeria. An investigation that was carried out revealed the F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23113   different research works of others and has built upon this by the metric presented to be applied as influenced the important of Social Network Analysis in e-commerce.  The data collected and also the methods used by researcher proved that the usefulness of the measures used in Social Network Analysis of e-Commerce. This research investigation showed that the importance and potential of Social Network Analysis on e-commerce, particularly, how Social Network Analysis has been used to improve e-commerce recommender systems, which has given users a better shopping experience. This research opens the opportunity for e-commerce vendors and to satisfy users, it may be incorporated on e-Commerce business transactions in the South West Region of Nigeria. 5. Further Work Future research recommends finding on how social network analysis can be used on e-commerce related activities like e-marketing, for example, capability of e-commerce vendors to market through network of users and as a center of attraction to other potential users. The research may report on both quantitative and qualitative assessment of social network analysis on e-Marketing systems. Acknowledgment Firstly, I would like to express my sincere gratitude to my supervisor my institution, Covenant University who sponsored this research. References  1. Alessia , A., Fernando , F., & Patrizia , G. An Overview of Methods for Virtual Social Networks Analysis. In A. Alessia, F. Fernando, & G. Patrizia, Computational Social Network Analysis.2009, pp. 3-25 . Springer London. 2. Cassidy, J. Study Find Major Privacy Holes in Job Search Web Sites. The Maui News.2002. 3. Ehsan, G. B., Abolfazl, A. S., Samira , E., & Maryam , F. APPLICATION AND NECESSITY OF SOCIAL NETWORKING IN E-COMMERCE (CASE STUDY: ETKA CHAIN STORE). Indian Journal of Fundamental and Applied Life Sciences, 2014, 4, 566-572. 4. Etka. (2015, October 23). Etka Organisation. Retrieved October 23, 2015, from Etka Services: http://www.etka.ir/ 5. Evelien , O., & Ronald , R. Social network analysis: a powerful strategy, also for the information sciences. Journal of Information Science, 2002, 28(6), 441-453. F. Olajide* et al. /International Journal of Pharmacy & Technology  IJPT| Dec-2016 | Vol. 8 | Issue No.4 | 23108-23114                                                                                      Page 23114   6. Jianming, H., & Wesley, C. Social Network-Based Recommender System. Annals of Information Systems, 2010, 12, 47-74. 7. Kohler, N. The WooThemes Blog. Retrieved from WooThemes:   http://www.woothemes.com/2015/05/personalized-product-recommendations/ 2015, May 6. 8. Dhivya, B., Justin Samuel, S., Karthiga, M (2014), “ESSDM: An efficient mechanism for handling sybil attacks in social networks”, International Review on Computers and Software, Vol. 9, No. 12, pp.2009-2013 9. Mohammad, D. B., Alireza, H. G., & Leila , E. (2014). A Novel C2C E-Commerce Recommender System Based on Link Prediction: Applying Social Network Analysis. International Journal of Advanced Studies in Computer Science & Engineering (ijascse), 3(7), 7. 10. Neha, V., Dheeraj, M., Monica, M., & Jatinder, S. E-commerce Website Ranking Using Semantic Web Mining and Neural Computing., 2015, 45, pp. 42-51. 11. Pinheiro, C. A.Social Network Analysis in Telecommunications (illustrated ed.,)2011,Vol. 37. John Wiley & Sons. 12. Stephen , G., Mengqiu , W., & Jure , L The Role of Social Networks in Online Shopping:Information Passing, Price of Trust, and Consumer Choice.2011. 13. Swamynathan, G., Wilson, C., Bryce, B., Almeroth, K., & Zhao, B. Do Social Networks Improve e-Commerce? A Study on Social Marketplaces.2008. 14. Tad, H. (2010). Inferring Preference Correlations from Social Networks. Electronic Commerce Research and Applications, 2010,9(1), 29-37. 15. Turban, E., Rainer, K., & Potter, R. Introduction to Information Technology. GOHN Wiley and sons' INC.2003. 16. Wang , J.-C., & Chiu , C.-C. Recommending trusted online auction sellers using social. Expert Systems with Applications,2008, 34, 1666–1679. 17. Yunhong, X., Jian , M., Yonghong , S., Jinxing , H., Yongqiang , S., & Dingtao , Z.USING SOCIAL NETWORK ANALYSIS AS A STRATEGY FOR E-COMMERCE RECOMMENDATION. Pacific Asia Conference on Information Systems.2009.    

On the Investigation of Social Network Analysis for E-Commerce Transaction in South-West Region of Nigeria

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On the Investigation of Social Network Analysis for E-Commerce Transaction in South-West Region of Nigeria

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