642 search results - page 102 / 129 » Answering XML Queries on Heterogeneous Data Sources |
WWW
2009
ACM
14 years 8 months ago
2009
ACM
In this paper, we present a framework for online discovery of semantic links from relational data. Our framework is based on declarative specification of the linkage requirements ...
CAISE
1999
Springer
13 years 12 months ago
1999
Springer
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Many data integration solutions in the market today include tools for schema mapping, to help users visually relate elements of different schemas. Schema elements are connected wit...
ADBIS
2004
Springer
14 years 29 days ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
OTM
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We discuss our DLDB knowledge base system and evaluate its capability in processing a very large set of real-world Semantic Web data. Using DLDB, we have constructed the ...