817 search results - page 54 / 164 » Generating Efficient Plans for Queries Using Views |
HPDC
2010
IEEE
13 years 10 months ago
2010
IEEE
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
This paper presents a hybrid concept hierarchy development technique for web returned documents retrieved by a meta-search engine. The aim of the technique is to separate the init...
EDBT
2004
ACM
14 years 9 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...
CVPR
2010
IEEE
13 years 7 months ago
2010
IEEE
Mirrors have been used to enable wide field-of-view (FOV) catadioptric imaging. The mapping between the incoming and reflected light rays depends non-linearly on the mirror shape ...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...