951 search results - page 76 / 191 » Groupwise Processing of Relational Queries |
PODS
2008
ACM
15 years 10 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
ICEBE
2005
IEEE
15 years 3 months ago
2005
IEEE
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
PODS
2001
ACM
15 years 10 months ago
2001
ACM
Several commercial applications, such as online comparison shopping and process automation, require integrating information that is scattered across multiple websites or XML docum...
APWEB
2008
Springer
15 years 14 hour ago
2008
Springer
Abstract. Nowadays, we have witnessed the widely recognized phenomenon of high speed data streams. Various statistics computation over data streams is often required by many applic...