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SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
15 years 11 months ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
ICDE
2009
IEEE
140views Database» more  ICDE 2009»
16 years 8 months ago
Predicting Multiple Metrics for Queries: Better Decisions Enabled by Machine Learning
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
Archana Ganapathi, Harumi A. Kuno, Umeshwar Dayal,...
IDEAS
2008
IEEE
153views Database» more  IDEAS 2008»
16 years 1 months ago
Pattern based processing of XPath queries
As the popularity of areas including document storage and distributed systems continues to grow, the demand for high performance XML databases is increasingly evident. This has le...
Gerard Marks, Mark Roantree
PVLDB
2010
102views more  PVLDB 2010»
15 years 5 months ago
SQL QueRIE Recommendations
This demonstration presents QueRIE, a recommender system that supports interactive database exploration. This system aims at assisting non-expert users of scientific databases by...
Javad Akbarnejad, Gloria Chatzopoulou, Magdalini E...
ICDE
1999
IEEE
209views Database» more  ICDE 1999»
16 years 8 months ago
Efficient Time Series Matching by Wavelets
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...
Kin-pong Chan, Ada Wai-Chee Fu