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» Performance of Data-Parallel Spatial Operations
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GIS
2006
ACM
14 years 8 months ago
Distance join queries on spatial networks
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
Jagan Sankaranarayanan, Houman Alborzi, Hanan Same...
WSCG
2004
146views more  WSCG 2004»
13 years 9 months ago
Frequency-based Operators for Freeform Feature Shape Reuse
Freeform feature shape reuse is an important issue in industrial design supporting. In this paper, the frequencybased operators for freeform feature shape reuse are discussed. Unl...
Chensheng Wang, Joris S. M. Vergeest, Yu Song
SIGMETRICS
2011
ACM
270views Hardware» more  SIGMETRICS 2011»
12 years 10 months ago
Scalable monitoring via threshold compression in a large operational 3G network
Threshold-based performance monitoring in large 3G networks is very challenging for two main factors: large network scale and dynamics in both time and spatial domains. There exis...
Suk-Bok Lee, Dan Pei, MohammadTaghi Hajiaghayi, Io...
SIGMOD
2003
ACM
190views Database» more  SIGMOD 2003»
14 years 7 months ago
Hardware Acceleration for Spatial Selections and Joins
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
Chengyu Sun, Divyakant Agrawal, Amr El Abbadi
KDD
2004
ACM
157views Data Mining» more  KDD 2004»
14 years 1 months ago
Fast mining of spatial collocations
Spatial collocation patterns associate the co-existence of nonspatial features in a spatial neighborhood. An example of such a pattern can associate contaminated water reservoirs ...
Xin Zhang, Nikos Mamoulis, David W. Cheung, Yutao ...