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» Coordinating Mobile Databases
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ICDE
2008
IEEE
119views Database» more  ICDE 2008»
16 years 6 months ago
MobiQual: QoS-aware Load Shedding in Mobile CQ Systems
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
Bugra Gedik, Kun-Lung Wu, Philip S. Yu, Ling Liu
ICDE
2007
IEEE
132views Database» more  ICDE 2007»
16 years 6 months ago
Lira: Lightweight, Region-aware Load Shedding in Mobile CQ Systems
Position updates and query re-evaluations are two predominant, costly components of processing location-based, continual queries (CQs) in mobile systems. To obtain high-quality qu...
Bugra Gedik, Ling Liu, Kun-Lung Wu, Philip S. Yu
DEXAW
2007
IEEE
199views Database» more  DEXAW 2007»
15 years 8 months ago
Dealing with Sporadic Strangers, or the (Un)Suitability of Trust for Mobile P2P Security
A number of factors, such as the increasing popularity of wireless networks, the opportunities offered by 3G services, and the rapid proliferation of mobile devices, have stimulat...
Esther Palomar, Juan M. Estévez-Tapiador, J...
GIS
2009
ACM
15 years 11 months ago
Constrained reverse nearest neighbor search on mobile objects
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
16 years 6 months ago
SpaceTwist: Managing the Trade-Offs Among Location Privacy, Query Performance, and Query Accuracy in Mobile Services
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
Man Lung Yiu, Christian S. Jensen, Xuegang Huang, ...