413 search results - page 18 / 83 » Optimizing Queries Across Diverse Data Sources |
DBISP2P
2003
Springer
14 years 19 days ago
2003
Springer
Databases have employed a schema-based approach to store and retrieve structured data for decades. For peer-to-peer (P2P) networks, similar approaches are just beginning to emerge,...
SBACPAD
2004
IEEE
13 years 8 months ago
2004
IEEE
Modern servers access large volumes of data while running commercial workloads. The data is typically spread among several storage devices (e.g. disks). Carefully placing the data...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
ICDE
2002
IEEE
14 years 8 months ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...