Sciweavers

166 search results - page 12 / 34
» Selectivity Estimation for Spatial Joins
Sort
View
VLDB
2005
ACM
149views Database» more  VLDB 2005»
14 years 8 months ago
Selectivity estimators for multidimensional range queries over real attributes
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
Dimitrios Gunopulos, George Kollios, Vassilis J. T...
EDBT
2004
ACM
147views Database» more  EDBT 2004»
14 years 8 months ago
Projection Pushing Revisited
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
Benjamin J. McMahan, Guoqiang Pan, Patrick Porter,...
VLSID
2008
IEEE
128views VLSI» more  VLSID 2008»
14 years 8 months ago
A Novel Approach to Compute Spatial Reuse in the Design of Custom Instructions
In the automatic design of custom instruction set processors, there can be a very large set of potential custom instructions, from which a few instructions are required to be chos...
Nagaraju Pothineni, Anshul Kumar, Kolin Paul
GIS
2010
ACM
13 years 6 months ago
Evaluation of cardinal direction developments between moving points
Recently, a wide range of applications like hurricane research, fire management, navigation systems, and transportation, to name only a few, has shown increasing interest in mana...
Tao Chen, Hechen Liu, Markus Schneider
ICC
2007
IEEE
14 years 2 months ago
Performance of Spatial Phase Coding (SPC) in Broadband OFDM Systems
—In this paper a spatial phase coding (SPC) scheme is investigated for its application in OFDM systems. With SPC the phase relation of the signals between multiple transmit anten...
Stefan Kaiser