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» Spatial queries in sensor networks
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EDBT
2008
ACM
125views Database» more  EDBT 2008»
14 years 9 months ago
On the brink: searching for drops in sensor data
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
Gong Chen, Junghoo Cho, Mark H. Hansen
PVLDB
2008
154views more  PVLDB 2008»
13 years 8 months ago
Indexing land surface for efficient kNN query
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
Cyrus Shahabi, Lu-An Tang, Songhua Xing
ICDE
2009
IEEE
130views Database» more  ICDE 2009»
14 years 10 months ago
Recursive Computation of Regions and Connectivity in Networks
In recent years, the data management community has begun to consider situations in which data access is closely tied to network routing and distributed acquisition: examples includ...
Mengmeng Liu, Nicholas E. Taylor, Wenchao Zhou, Za...
SSD
2007
Springer
243views Database» more  SSD 2007»
14 years 2 months ago
Continuous Medoid Queries over Moving Objects
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
Stavros Papadopoulos, Dimitris Sacharidis, Kyriako...
IPSN
2009
Springer
14 years 3 months ago
Poster abstract: Enabling reliable and high-fidelity data center sensing
bstract: Enabling Reliable and High-Fidelity Data Center Sensing Chieh-Jan Mike Liang† , Jie Liu‡ , Liqian Luo , Andreas Terzis† † Johns Hopkins University ‡ Microsoft Re...
Chieh-Jan Mike Liang, Jie Liu, Liqian Luo, Andreas...