NDLI: A tale of two cities — Characterizing social community structures of fleet vehicles for modeling V2V information dissemination

Content Provider	IEEE Xplore Digital Library
Author	Fan Bai Moghadam, K.R. Krishnamachari, B.
Copyright Year	2015
Description	Author affiliation: Res. Center, Gen. Motors, USA (Fan Bai) \|\| Univ. of Southern California, Los Angeles, CA, USA (Moghadam, K.R.; Krishnamachari, B.)
Abstract	We study the presence of social communities in mobility traces from vehicular fleets. By analyzing publicly available sets of fleet vehicle mobility traces obtained from two real-world deployments - consisting of more than 2000 taxis in Shanghai and Beijing respectively, we confirm the existence of small numbers of distinct social communities in vehicular networks, which is in direct contrast to the general belief that vehicular networks are best modeled as a relatively homogeneous system. We examine the spatio-temporal characteristics of social communities, gaining the insight that they are driven primarily by social proximity induced by geographic locality. We then develop a parsimonious multi-community ordinary differential equation (ODE) model, which uses the heterogeneous structure introduced by social communities to model information dissemination. We show through simulations that this approach dramatically outperforms the conventional homogeneous ODE model in capturing the dynamics of the dissemination process. We further demonstrate that the use of the ODE model to optimize seeding of an initial set of vehicles results in improved utility for information dissemination compared to seed-optimization using a homogeneous model.
Starting Page	506
Ending Page	514
File Size	229068
Page Count	9
File Format	PDF
e-ISBN	9781467373319
DOI	10.1109/SAHCN.2015.7338352
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vehicles Mathematical model Public transportation Measurement Social network services Partitioning algorithms Conferences
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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