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PERCOM
2008
ACM
15 years 9 months ago
Location Fingerprint Analyses Toward Efficient Indoor Positioning
Abstract--Analytical models to evaluate and predict "precision" performance of indoor positioning systems based on location fingerprinting are lacking. Such models can be...
Nattapong Swangmuang, Prashant Krishnamurthy
ICDE
2009
IEEE
126views Database» more  ICDE 2009»
15 years 4 months ago
Querying Communities in Relational Databases
— Keyword search on relational databases provides users with insights that they can not easily observe using the traditional RDBMS techniques. Here, an l-keyword query is speciï¬...
Lu Qin, Jeffrey Xu Yu, Lijun Chang, Yufei Tao
AGILE
2009
Springer
210views GIS» more  AGILE 2009»
15 years 4 months ago
Detecting Hotspots in Geographic Networks
We study a point pattern detection problem on networks, motivated by geographical analysis tasks, such as crime hotspot detection. Given a network N (for example, a street, train,...
Kevin Buchin, Sergio Cabello, Joachim Gudmundsson,...
MDM
2009
Springer
123views Communications» more  MDM 2009»
15 years 4 months ago
Operator Placement for Snapshot Multi-predicate Queries in Wireless Sensor Networks
— This work aims at minimize the cost of answering snapshot multi-predicate queries in high-communication-cost networks. High-communication-cost (HCC) networks is a family of net...
Georgios Chatzimilioudis, Huseyin Hakkoymaz, Nikos...
ICIP
2008
IEEE
15 years 4 months ago
Correlation Embedding Analysis
—Beyond conventional linear and kernel-based feature extraction, we present a more generalized formulation for feature extraction in this paper. Two representative algorithms usi...
Yun Fu, Thomas S. Huang