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LSSC
2001
Springer
14 years 1 months ago
Parallel Implementation of a Large-Scale 3-D Air Pollution Model
Abstract. Air pollution models can efficiently be used in different environmental studies. The atmosphere is the most dynamic component of the environment, where the pollutants ca...
Tzvetan Ostromsky, Zahari Zlatev
VLDB
2001
ACM
129views Database» more  VLDB 2001»
14 years 1 months ago
Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation
Similarity retrieval mechanisms should utilize generalized quadratic form distance functions as well as the Euclidean distance function since ellipsoid queries parameters may vary...
Yasushi Sakurai, Masatoshi Yoshikawa, Ryoji Kataok...
ICDCS
2000
IEEE
14 years 1 months ago
Improving Distributed Workload Performance by Sharing both CPU and Memory Resources
We develop and examine job migration policies by considering effective usage of global memory in addition to CPU load sharing in distributed systems. When a node is identified fo...
Xiaodong Zhang, Yanxia Qu, Li Xiao
ICDE
2010
IEEE
203views Database» more  ICDE 2010»
14 years 1 months ago
Optimizing ETL workflows for fault-tolerance
Extract-Transform-Load (ETL) processes play an important role in data warehousing. Typically, design work on ETL has focused on performance as the sole metric to make sure that the...
Alkis Simitsis, Kevin Wilkinson, Umeshwar Dayal, M...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
14 years 1 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos