Sciweavers

267 search results - page 15 / 54
» Constraint-Based XML Query Rewriting For Data Integration
Sort
View
DIWEB
2001
14 years 11 months ago
Integration of XML Data in XPathLog
XPathLog is a logic-based language for manipulating and integrating XML data. It extends the XPath query language with Prolog-style variables. Due to the close relationship with X...
Wolfgang May
DGO
2003
113views Education» more  DGO 2003»
14 years 11 months ago
Resolving Schema and Value Heterogeneities for XML Web Querying
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...
DAGSTUHL
2007
14 years 11 months ago
An XML Framework for Integrating Continuous Queries, Composite Event Detection, and Database Condition Monitoring for Multiple D
Abstract Current, data-driven applications have become more dynamic in nature, with the need to respond to events generated from distributed sources or to react to information extr...
Susan Darling Urban, Suzanne W. Dietrich, Yi Chen
79
Voted
CIKM
2010
Springer
14 years 8 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
92
Voted
PODS
2000
ACM
137views Database» more  PODS 2000»
15 years 2 months ago
Query Containment for Data Integration Systems
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
Todd D. Millstein, Alon Y. Levy, Marc Friedman