217 search results - page 20 / 44 » Distributed stream join query processing with semijoins |
ISPAN
2002
IEEE
15 years 2 months ago
2002
IEEE
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
SIGMOD
2009
ACM
15 years 4 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
SSDBM
2005
IEEE
15 years 3 months ago
2005
IEEE
Data products generated from remotely-sensed, geospatial imagery (RSI) used in emerging areas, such as global climatology, environmental monitoring, land use, and disaster managem...
ICDE
2007
IEEE
15 years 4 months ago
2007
IEEE
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...