NDLI: A Collaboration-Based Scheme for Location-Based Services with Incentive Mechanism

Content Provider	IET Digital Library
Author	Wan, Sheng Hua, Jiafeng Zhu, Hui Wang, Hanyi Li, Fenghua
Abstract	With the proliferation of communication networks and mobile devices, Location-based services (LBSs) have brought a variety of applications and conveniences in our daily life. While LBSs greatly benefit users, they bring significant threats to users' privacy. To enhance privacy protection for LBSs, a well-used technique is to establish a collaborative group which helps each other to avoid privacy leakage. Due to extremely unbalanced system overheads for group members, many users are short of intrinsic motivations to join the collaborative group in existing schemes. To address this problem, we propose a collaborative group system combined with dummy selection technique, termed CGS-DS, which not only limits mobile users consuming significant resources in collaborative group through the hop distance, but also inspires them to generate and cache the service data of dummies for other group members. Our CGS-DS uses a threshold assignment module to generate a suitable threshold of the hop distance. While the hop distance reaches the specified threshold, the user executes the dummy-cache module to generate some dummy queries and cache the service data for other members to use. Security analysis and evaluation results indicate its effectiveness and efficiency.
Starting Page	310
Ending Page	317
Page Count	8
ISSN	10224653
Volume Number	27
e-ISSN	20755597
Issue Number	Issue 2, Mar (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/27/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2017.12.001
Journal	Chinese Journal of Electronics
Publisher Date	2018-03-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Cache Storage CGS-DS Collaboration-based Scheme Collaborative Group System Communication Network Data Protection Data Security Dummy Selection Technique Dummy-cache Module Extremely Unbalanced System Overheads File Organisation Group Members Hop Distance Incentive Mechanism LBSs Location Based Services Location-based Services Mobile Computing Mobile Device Mobile Radio System Mobile User Pervasive Computing Privacy Leakage Privacy Protection Enhancement Security Analysis Service Data Threshold Assignment Module Ubiquitous User Privacy
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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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