2987 search results - page 310 / 598 » Multiobjective Query Optimization |
140
Voted
TKDE
2011
14 years 6 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...
140
Voted
ICDE
2009
IEEE
15 years 9 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
212
Voted
SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
125
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EDBT
2004
ACM
16 years 2 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
134
Voted
EDBT
2009
ACM
15 years 9 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...