33 search results - page 1 / 7 » Adaptive Database Buffer Allocation Using Query Feedback |
VLDB
1993
ACM
13 years 9 months ago
1993
ACM
EDBT
2010
ACM
13 years 10 months ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
Database workloads seldom remain static. A system tuned by an expert for the current environment, might not always remain optimal. To deal with this situation, database systems ha...
SIGMOD
1994
ACM
13 years 9 months ago
1994
ACM
In this paper, we propose a novel approach for estimating the record selectivities of database queries. The real attribute value distribution is adaptively approximated by a curve...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...