SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...