224 search results - page 35 / 45 » Rewriting XPath Queries Using Materialized Views |
EDBT
1998
ACM
13 years 12 months ago
1998
ACM
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...
SIGMOD
1995
ACM
13 years 11 months ago
1995
ACM
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
TKDE
2002
13 years 7 months ago
2002
The construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving information sources (ISs) such as the WWW has ...