817 search results - page 47 / 164 » Generating Efficient Plans for Queries Using Views |
230
Voted
ICDE
2006
IEEE
16 years 4 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
138
Voted
IROS
2006
IEEE
15 years 8 months ago
2006
IEEE
- Interactive avatar control means a control mechanism using AI techniques to improve user navigation efficiency as well as visual realism in a 3D virtual environment. This paper r...
113
Voted
AAAI
2006
15 years 4 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
199
Voted
SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
124
Voted
PVLDB
2010
15 years 1 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...