3225 search results - page 210 / 645 » Query Optimization by Stored Queries |
132
click to vote
PODS
2006
ACM
16 years 4 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
150
click to vote
SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
160
click to vote
TKDE
2011
14 years 8 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...
266
Voted
ICDE
2004
IEEE
16 years 6 months ago
2004
IEEE
The effectiveness of many existing high-dimensional indexing structures is limited to specific types of queries and workloads. For example, while the Pyramid technique and the iMi...
164
click to vote
SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...