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» On Efficient Spatial Matching
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ICC
2007
IEEE
180views Communications» more  ICC 2007»
16 years 15 days ago
Distributed Quad-Tree for Spatial Querying in Wireless Sensor Networks
— In contrast to the traditional wireless sensor network (WSN) applications that perform only data collection and aggregation, new generation of information processing applicatio...
Murat Demirbas, Xuming Lu
KDD
2006
ACM
153views Data Mining» more  KDD 2006»
16 years 6 months ago
Spatial scan statistics: approximations and performance study
Spatial scan statistics are used to determine hotspots in spatial data, and are widely used in epidemiology and biosurveillance. In recent years, there has been much effort invest...
Deepak Agarwal, Andrew McGregor, Jeff M. Phillips,...
TCAD
2008
136views more  TCAD 2008»
15 years 6 months ago
A Geometric Programming-Based Worst Case Gate Sizing Method Incorporating Spatial Correlation
We present an efficient optimization scheme for gate sizing in the presence of process variations. Our method is a worst-case design scheme, but it reduces the pessimism involved i...
Jaskirat Singh, Zhi-Quan Luo, Sachin S. Sapatnekar
SIGMOD
1997
ACM
113views Database» more  SIGMOD 1997»
15 years 9 months ago
Size Separation Spatial Join
The Partitioned Based Spatial-Merge Join (PBSM) of Patel and DeWitt and the Size Separation Spatial Join (S3 J) of Koudas and Sevcik are considered to be among the most efficient ...
Nick Koudas, Kenneth C. Sevcik
ICPR
2006
IEEE
16 years 7 months ago
Efficient Region Based Indexing and Retrieval for Images with Elastic Bucket Tries
Retrieval and indexing in multimedia databases has been an active topic both in the Information Retrieval and computer vision communities for a long time. In this paper we propose...
C. V. Jawahar, P. Suman Karthik