642 search results - page 4 / 129 » Answering XML Queries on Heterogeneous Data Sources |
PODS
2010
ACM
14 years 16 days ago
2010
ACM
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...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this poster, we present the P2P XML data localization layer of XLive, an XQuery mediation system developed at University of Versailles [2]. A major challenge in the evaluation ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
FQAS
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. Many heterogeneous database system products and prototypes exist today; they will soon be deployed in a wide variety of environments. Most existing systems suffer from an...
SEDE
2010
13 years 5 months ago
2010
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...