1056 search results - page 178 / 212 » Identifying and Exploiting Ultrametricity |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
We consider the problem of joining data streams using limited cache memory, with the goal of producing as many result tuples as possible from the cache. Many cache replacement heu...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
SIGMOD
2001
ACM
14 years 7 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 ...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
To provide users with only relevant data from the huge amount of available information, personalization systems utilize preferences to allow users to express their interest on spe...