SOCIAL NETWORK INFLUENCE on RIDESHARING, DISASTER COMMUNICATIONS, and COMMUNITY INTERACTIONS Arif Mohaimin Sadri Purdue University
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Purdue University Purdue e-Pubs Open Access Dissertations Theses and Dissertations January 2016 SOCIAL NETWORK INFLUENCE ON RIDESHARING, DISASTER COMMUNICATIONS, AND COMMUNITY INTERACTIONS Arif Mohaimin Sadri Purdue University Follow this and additional works at: https://docs.lib.purdue.edu/open_access_dissertations Recommended Citation Sadri, Arif Mohaimin, "SOCIAL NETWORK INFLUENCE ON RIDESHARING, DISASTER COMMUNICATIONS, AND COMMUNITY INTERACTIONS" (2016). Open Access Dissertations. 1230. https://docs.lib.purdue.edu/open_access_dissertations/1230 This document has been made available through Purdue e-Pubs, a service of the Purdue University Libraries. Please contact [email protected] for additional information. Graduate School Form 30 Updated PURDUE UNIVERSITY GRADUATE SCHOOL Thesis/Dissertation Acceptance This is to certify that the thesis/dissertation prepared By ARIF MOHAIMIN SADRI Entitled SOCIAL NETWORK INFLUENCE ON RIDESHARING, DISASTER COMMUNICATIONS, AND COMMUNITY INTERACTIONS For the degree of Doctor of Philosophy Is approved by the final examining committee: Prof. Satish V. Ukkusuri Prof. Daniel P. Aldrich Chair Prof. Konstantina Gkritza Prof. Sharon L. Christ Prof. Seungyoon Lee To the best of my knowledge and as understood by the student in the Thesis/Dissertation Agreement, Publication Delay, and Certification Disclaimer (Graduate School Form 32), this thesis/dissertation adheres to the provisions of Purdue University’s “Policy of Integrity in Research” and the use of copyright material. Approved by Major Professor(s): Prof. Satish V. Ukkusuri Approved by: Prof. Dulcy M. Abraham 12/5/2016 Head of the Departmental Graduate Program Date i SOCIAL NETWORK INFLUENCE ON RIDESHARING, DISASTER COMMUNICATIONS, AND COMMUNITY INTERACTIONS A Dissertation Submitted to the Faculty of Purdue University by Arif Mohaimin Sadri In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy December 2016 Purdue University West Lafayette, Indiana ii For my Parents iii ACKNOWLEDGEMENTS First, I would like to convey my sincere gratitude to my mentor, Prof. Satish V. Ukkusuri, a responsible and resourceful scholar. Prof. Ukkusuri provided me enough guidance and strong support during my graduate study at Purdue University and helped me prepare for an academic career that I would like to pursue afterwards. I truly appreciate his impressive patience and kindness with me and this thesis would not have been possible without his continuous guidance and support. I strongly believe that the doctoral training I received under his supervision will help me in the long run. I would like to express my heartfelt gratitude to my Ph.D. advisory committee members: Prof. Daniel Aldrich, Prof. Sharon Christ, Prof. Konstantina Gkritza, and Prof. Seungyoon Lee. I greatly appreciate their valuable time, constructive comments, and immense support that significantly helped me to accomplish my research goals, improve the quality of the dissertation, and overcome the interdisciplinary challenges associated with the work. I am also grateful to Prof. Hugh Gladwin of Florida International University, Prof. Rosalee Clawson of Purdue University, and Prof. Samiul Hasan of University of Central Florida for their significant input to my work. I would also like to acknowledge visiting undergraduate students Pedro Rezende from Brazil and Juan Lopez from Colombia for their participation in some parts of my work. I would also like to thank all members of Purdue Institute of Transportation Engineers, and my colleagues in the Interdisciplinary Transportation Modeling and Analytics Laboratory at Purdue. I have spent a wonderful and productive time with Dr. Abdul Aziz, Dr. Rodrigo Mesa Arango, Dr. Kien Doan, Binh Luong, Md. Tawfiq Sarwar, Xianyuan Zhan, Xinwu Qian, Wenbo Zhang, Tho Le, and Hemant Gehlot. iv I would like to give my special thanks to all my family members, my father Muslim Uddin, my mother Tahmina Begum, my sister Aouana Marzia Monadi, my brother Asif Mohaisin Sadri for their tremendous encouragement right from the beginning. Also, I am grateful to all my friends for their enormous support throughout my graduate studies at Purdue University. Finally, I feel blessed to have my wife Tahrima Binte Rouf always by my side and her continuous support. v TABLE OF CONTENTS Page LIST OF TABLES ............................................................................................................ xii LIST OF FIGURES ......................................................................................................... xiv ABSTRACT ..................................................................................................................... xvi CHAPTER 1. INTRODUCTION .................................................................................... 1 1.1 Background ............................................................................................................... 1 1.2 Motivations ................................................................................................................ 1 1.2.1 Social Influence on Ridesharing ...................................................................... 2 1.2.2 Social Influence on Disaster Communications ................................................ 4 1.2.3 Social Influence on Community Interactions .................................................. 6 1.3 Conceptual Framework ............................................................................................. 8 1.4 Specific Research Questions ................................................................................... 12 1.5 Organization of the Dissertation ............................................................................. 13 CHAPTER 2. RELATED WORK ................................................................................. 15 2.1 Introduction ............................................................................................................. 15 2.2 Review of Social Capital Theory ............................................................................ 15 2.2.1 Classical Definition ....................................................................................... 15 2.2.2 Network Capital as Opposed to Social Capital .............................................. 16 2.3 Social Influence on Ridesharing ............................................................................. 17 2.3.1 Social Interactions and Travel Behavior Modeling ....................................... 17 2.3.2 Frequency of Social Activities ....................................................................... 19 2.3.3 Social Influence in Activity-Based Travel .................................................... 20 2.4 Social Influence on Disaster Communications ....................................................... 21 2.4.1 Overall Hurricane Evacuation ....................................................................... 21 vi Page 2.4.2 Evacuation Decision Making ......................................................................... 22 2.4.3 Evacuation Timing ......................................................................................... 23 2.4.4 Evacuation Mobilization Time ...................................................................... 24 2.4.5 Evacuation Destination Choice ...................................................................... 25 2.4.6 Evacuation Routing Strategy ......................................................................... 26 2.4.7 Evacuation Mode Choice ............................................................................... 28 2.4.8 Social Influence in Evacuation Modeling ...................................................... 30 2.4.9 Social Media Research in Disaster Science and Crisis Management ............ 32 2.5 Social Influence on Community Interactions .......................................................... 35 2.5.1 Transportation Planning and Engineering ..................................................... 35 2.5.2 Information Dissemination and Planned Special Events ............................... 36 2.6 Review of Network Science Literature ................................................................... 38 2.6.1 Small-world Property: ................................................................................... 40 2.6.2 Degree Distributions ...................................................................................... 40 2.6.3 Transitivity ..................................................................................................... 41 2.6.4 Network Resilience ........................................................................................ 41 2.6.5 Node-level Properties .................................................................................... 42 2.6.5.1 Node Degree ............................................................................................. 42 2.6.5.2 Clustering Coefficient ............................................................................... 42 2.6.5.3 Betweenness Centrality ............................................................................ 42 2.6.5.4 Closeness Centrality ................................................................................. 43 2.6.5.5 Eigenvector Centrality .............................................................................. 43 2.6.6 Other Network Properties .............................................................................. 43 2.7 Ego-Centric Network Design .................................................................................