Proceedings ArticleDOI
Developing a coherent global view for post disaster situation awareness using opportunistic network
Apratim Mukherjee,Souvik Basu,Siuli Roy,Somprakash Bandyopadhyay +3 more
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TLDR
A scheme for developing a coherent global view of the post-disaster situation using local situational information in a smart-phone based delay tolerant peer-to-peer network environment and a concept of “opportunistic knowledge injection” to disseminate local situational knowledge to other remote areas without significant network overhead is proposed.Abstract:
Situational awareness is a critical component in a post-disaster recovery operation for assessment of needs and identification of available resources at different parts of a disaster-affected area. This information, in turn, may help the relief agencies to appropriately coordinate, manage and channelize their resources. A major hindrance in developing such global situational awareness is the non-uniform interaction pattern of relief workers. Volunteers in a particular region have much better knowledge of the local situation than those belonging to regions further away. This information asymmetry leads to deviation in perceptions of volunteers working in different regions, thereby affecting the resource distribution process. Thus, a unified global situational view of the entire disaster affected area is essential to bridge the perception gap of volunteers and to help them develop a common understanding of the actual scenario. In this paper, we propose a scheme for developing such a coherent global view of the post-disaster situation using local situational information in a smart-phone based delay tolerant peer-to-peer network environment.We focus on generating a comprehensive view which is consistent for all workers irrespective of their location or mobility. The proposed scheme takes into account the spatial locality and spatial regularity properties of human mobility and uses a concept of “opportunistic knowledge injection” to disseminate local situational knowledge to other remote areas without significant network overhead. The effectiveness of the proposal is evaluated on the ONE simulator.read more
Citations
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Journal Article
Limits of predictability in human mobility
Chaoming Song,Zehui Qu,Zehui Qu,Nicholas Blumm,Nicholas Blumm,Albert-László Barabási,Albert-László Barabási +6 more
TL;DR: In this paper, the authors explore the limits of predictability in human dynamics by studying the mobility patterns of anonymized mobile phone users and find that 93% potential predictability for user mobility across the whole user base.
Journal ArticleDOI
An Effective Data Transmission Algorithm Based on Social Relationships in Opportunistic Mobile Social Networks
TL;DR: This research proposes an effective data transmission algorithm based on social relationships (ESR), which considers the community characteristics of opportunistic mobile social networks and shows that the ESR algorithm, through community transmission, is not only faster and safer, but also has lower transmission delay and routing overhead.
Proceedings ArticleDOI
A human mobility based knowledge sharing approach for post disaster need assessment using DTN
TL;DR: This paper proposes a knowledge sharing based approach for dynamic assessment of post disaster resource needs using a smart-phone based delay tolerant network (DTN) to bridging the gap in perception about actual resource needs.
Journal ArticleDOI
Efficient DropBox Deployment toward Improving Post-Disaster Information Exchange in a Smart City
TL;DR: This article exploits the movement of volunteers carrying smartphones in such a scenario to form a DTN and proposes a utility-based DropBox deployment scheme toward improving post-disaster situational information exchange and presents a human movement model for a post- Disaster scenario in a smart city.
Proceedings ArticleDOI
EnTER: an en counter based t rowbox deployment strategy for e nhancing network r eliability in post-disaster scenarios over DTN
TL;DR: Extensive simulation by implementing a realistic post-disaster scenario reveals that the proposed Throwbox deployment strategy EnTER outperforms one of the state-of-the-art Throwboxes deployment strategies in terms of network reliability.
References
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Journal ArticleDOI
Understanding individual human mobility patterns
Marta C. González,A R Cesar Hidalgo,A R Cesar Hidalgo,Albert-László Barabási,Albert-László Barabási,Albert-László Barabási +5 more
TL;DR: In this article, the authors study the trajectory of 100,000 anonymized mobile phone users whose position is tracked for a six-month period and find that the individual travel patterns collapse into a single spatial probability distribution, indicating that humans follow simple reproducible patterns.
Journal ArticleDOI
Limits of Predictability in Human Mobility
Chaoming Song,Zehui Qu,Zehui Qu,Nicholas Blumm,Nicholas Blumm,Albert-László Barabási,Albert-László Barabási +6 more
TL;DR: Analysis of the trajectories of people carrying cell phones reveals that human mobility patterns are highly predictable, and a remarkable lack of variability in predictability is found, which is largely independent of the distance users cover on a regular basis.
Proceedings ArticleDOI
The ONE simulator for DTN protocol evaluation
TL;DR: This paper presents the Opportunistic Networking Environment (ONE) simulator specifically designed for evaluating DTN routing and application protocols, and shows sample simulations to demonstrate the simulator's flexible support for DTN protocol evaluation.
Journal ArticleDOI
Design and evaluation for situation awareness enhancement
TL;DR: A discussion of the SA construct, important considerations facing designers of aircraft systems, and current research in the area of SA measurement are presented.