SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
In traditional database security research, the database is usually assumed to be trustworthy. Under this assumption, the goal is to achieve security against external attacks (e.g....
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
Many modern software systems provide progress indicators for long-running tasks. These progress indicators make systems more user-friendly by helping the user quickly estimate how...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
PIPES is a flexible and extensible infrastructure providing fundamental building blocks to implement a data stream management system (DSMS). It is seamlessly integrated into the J...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
This paper describes our practical query-by-humming system, SoundCompass, which is being used as a karaoke song selection system in Japan. First, we describe the fundamental techn...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...