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MDM
2010
Springer
180views Communications» more  MDM 2010»
14 years 3 months ago
Online Time Interval Top-k Queries in Wireless Sensor Networks
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
Baichen Chen, Weifa Liang, Jeffrey Xu Yu
MDM
2010
Springer
209views Communications» more  MDM 2010»
14 years 3 months ago
An Interactive-Voting Based Map Matching Algorithm
—Matching a raw GPS trajectory to roads on a digital map is often referred to as the Map Matching problem. However, the occurrence of the low-sampling-rate trajectories (e.g. one...
Jing Yuan, Yu Zheng, Chengyang Zhang, Xing Xie, Gu...
MDM
2010
Springer
301views Communications» more  MDM 2010»
14 years 3 months ago
Query m-Invariance: Preventing Query Disclosures in Continuous Location-Based Services
Abstract—Location obfuscation using cloaking regions preserves location anonymity by hiding the true user among a set of other equally likely users. Furthermore, a cloaking regio...
Rinku Dewri, Indrakshi Ray, Indrajit Ray, Darrell ...
MDM
2010
Springer
194views Communications» more  MDM 2010»
14 years 25 days ago
Timing and Radius Considerations for Maintaining Connectivity QoS
—Given the potential scale on which a Wireless Sensor Network (WSN) can be deployed, multi-hop communication will be a pivotal component of the system. When redundant nodes are d...
Richard Tynan, Gregory M. P. O'Hare, Michael J. O'...
MDM
2010
Springer
164views Communications» more  MDM 2010»
13 years 9 months ago
A Mobile-Cloud Collaborative Traffic Lights Detector for Blind Navigation
—Context-awareness is a critical aspect of safe navigation, especially for the blind and visually-impaired in unfamiliar environments. Existing mobile devices for contextaware na...
Pelin Angin, Bharat K. Bhargava, Sumi Helal