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DCOSS
2007
Springer
14 years 1 months ago
Design and Implementation of a Flexible Location Directory Service for Tiered Sensor Networks
Many emergent distributed sensing applications need to keep track of mobile entities across multiple sensor networks connected via an IP network. To simplify the realization of suc...
Sangeeta Bhattacharya, Chien-Liang Fok, Chenyang L...
VLDB
2006
ACM
171views Database» more  VLDB 2006»
14 years 7 months ago
Grid-partition index: a hybrid method for nearest-neighbor queries in wireless location-based services
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
CAISE
2003
Springer
14 years 24 days ago
A Collaborative Framework for Location-Based Services
This short paper is aimed to discuss the challenges for location-based services and proposes our framework, which makes it possible to obtain information from heterogeneous sources...
Shijun Yu, Marie-Aude Aufaure, Nadine Cullot, Stef...
MDM
2009
Springer
299views Communications» more  MDM 2009»
14 years 2 months ago
Aggregate Location Monitoring for Wireless Sensor Networks: A Histogram-Based Approach
Location monitoring systems are used to detect human activities and provide monitoring services, e.g., aggregate queries. In this paper, we consider an aggregate location monitori...
Chi-Yin Chow, Mohamed F. Mokbel, Tian He
SDMW
2009
Springer
14 years 3 days ago
Longitude: Centralized Privacy-Preserving Computation of Users' Proximity
A “friend finder” is a Location Based Service (LBS) that informs users about the presence of participants in a geographical area. In particular, one of the functionalities of ...
Sergio Mascetti, Claudio Bettini, Dario Freni