620 search results - page 85 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
129
Voted
VLDB
1990
ACM
15 years 7 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
272
Voted
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
152
Voted
STOC
2004
ACM
16 years 4 months ago
2004
ACM
A collaborative filtering system at an e-commerce site or similar service uses data about aggregate user behavior to make recommendations tailored to specific user interests. We d...
214
click to vote
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Web-database systems are nowadays an integral part of everybody's life, with applications ranging from monitoring/trading stock portfolios, to personalized blog aggregation a...
119
click to vote
SSDBM
2000
IEEE
15 years 8 months ago
2000
IEEE
In implementations of non-standard database systems, large objects are often embedded within an aggregate of different types, i.e. a tuple. For a given size and access probabilit...