964 search results - page 23 / 193 » Efficiently Ordering Query Plans for Data Integration |
239
click to vote
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
217
click to vote
SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
148
click to vote
PVLDB
2010
15 years 2 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
168
click to vote
ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
155
click to vote
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
A typical online Business Intelligence (BI) workload consists of a combination of short, less intensive queries, along with long, resource intensive queries. As such, the longest ...