9787 search results - page 1895 / 1958 » A Utile Function Optimizer |
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
As business intelligence becomes increasingly essential for organizations and as it evolves from strategic to operational, the complexity of Extract-Transform-Load (ETL) processes...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
While there seems to be a general agreement that next years' systems will include many processing cores, it is often overlooked that these systems will also include an increa...