Sciweavers

143 search results - page 13 / 29
» Quilt: An XML Query Language for Heterogeneous Data Sources
Sort
View
PODS
2010
ACM
242views Database» more  PODS 2010»
14 years 2 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
IADIS
2003
13 years 10 months ago
Information Retrieval in Digital Libraries Using XML Mediation
Digital libraries are more and more available on the web. However, retrieving information in these libraries is not easy because of sources heterogeneity and distribution. Thus, w...
Laila Benhlima, Dalila Chiadmi
ICDT
2012
ACM
293views Database» more  ICDT 2012»
11 years 11 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
WISE
2009
Springer
14 years 6 months ago
Web Queries: From a Web of Data to a Semantic Web
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...
François Bry, Tim Furche, Klara A. Weiand
ENTCS
2006
133views more  ENTCS 2006»
13 years 9 months ago
A Data Model for Data Integration
Data integration systems provide a uniform query interface (UQI) to multiple, autonomous data sources [4]. This paper presents the universal data model (UDM) that captures the sem...
James J. Lu