NDLI: Collaborative Filtering of spatial-temporal information for crisis informatics

Content Provider	IEEE Xplore Digital Library
Author	Secretan, J.
Copyright Year	2011
Description	Author affiliation: Ad summos, inc., 215 Celebration Place, Suite 150, FL 34747, USA (Secretan, J.)
Abstract	In a disaster, accurate information is a resource that is often in short supply. The combination of rapidly unfolding events and the frequent loss of communication infrastructure including mobile phones, landlines, Internet and television broadcast make it difficult to gain situational awareness. And while there is obvious value in aggregating information for centralized emergency authorities, disasters like Hurricane Katrina have shown that authoritative organizations are not always prepared to mobilize quickly enough. There is significant potential for systems that support self-organization and information sharing among the victims of a disaster. This paper discusses an application designed to share disaster information over an ad-hoc network built from common mobile devices (e.g. smart phones and PDAs). A Collaborative Filtering (CF) algorithm aggregates the observations of numerous distributed users and disseminates maps of disaster related events back to them. This paper describes a framework for analysis of disaster events, including both the availability of necessary resources (e.g. water and fuel) as well as disruptive events (e.g. downed power lines, leaks, etc). In addition, a spatial-temporal clustering algorithm combines the observations of multiple users into coherent reports. The goals of the framework are to quickly spread and accurately update vital information while resisting rumors and errors. The results demonstrate that sharing information in this way can increase the group's situational awareness.
Starting Page	292
Ending Page	295
File Size	333178
Page Count	4
File Format	PDF
ISBN	9781612847856
e-ISBN	9781612847863
DOI	10.1109/COGSIMA.2011.5753461
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Clustering algorithms Mobile handsets Ad hoc networks Hurricanes Nickel Mobile computing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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