555 search results - page 73 / 111 » Aggregate Evaluability in Statistical Databases |
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Modern database applications including computer-aided design, multimedia information systems, medical imaging, molecular biology, or geographical information systems impose new re...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
WEBI
2009
Springer
14 years 2 months ago
2009
Springer
—The key to Deep Web crawling is to submit promising keywords to query form and retrieve Deep Web content efficiently. To select keywords, existing methods make a decision based ...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Relation extraction is a difficult open research problem with important applications in several fields such as knowledge management, web mining, ontology building, intelligent sys...