9 search results - page 2 / 2 » SEPIA: estimating selectivities of approximate string predic... |
EDBT
2009
ACM
14 years 1 days ago
2009
ACM
We study the problem of estimating selectivity of approximate substring queries. Its importance in databases is ever increasing as more and more data are input by users and are in...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
The ongoing revolution in life sciences research is producing vast amounts of genetic and proteomic sequence data. Scientists want to pose increasingly complex queries on this dat...
IDEAS
2008
IEEE
13 years 11 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...