Sciweavers

50 search results - page 6 / 10
» Clone join and shadow join: two parallel spatial join algori...
Sort
View
PVLDB
2008
126views more  PVLDB 2008»
13 years 6 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
SIGMOD
2006
ACM
158views Database» more  SIGMOD 2006»
14 years 7 months ago
Continuous query processing in data streams using duality of data and queries
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
Hyo-Sang Lim, Jae-Gil Lee, Min-Jae Lee, Kyu-Young ...
GIS
2006
ACM
14 years 8 months ago
Filtering with raster signatures
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
Leonardo Guerreiro Azevedo, Ralf Hartmut Güti...
SIGMOD
2004
ACM
241views Database» more  SIGMOD 2004»
14 years 7 months ago
SINA: Scalable Incremental Processing of Continuous Queries in Spatio-temporal Databases
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
Mohamed F. Mokbel, Xiaopeng Xiong, Walid G. Aref
KI
2011
Springer
13 years 2 months ago
A Parallel General Game Player
We have parallelized our general game player Ary on a cluster of computers. We propose multiple parallelization algorithms. For the sake of simplicity all our algorithms have proce...
Jean Méhat, Tristan Cazenave