642 search results - page 21 / 129 » Answering XML Queries on Heterogeneous Data Sources |
ER
2003
Springer
14 years 1 months ago
2003
Springer
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
SIGMOD
1997
ACM
14 years 25 days ago
1997
ACM
Infomaster is an information integration system that provides integrated access tomultiple distributed heterogeneous information sources on the Internet, thus giving the illusion ...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
COOPIS
2002
IEEE
14 years 1 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
RP
2010
Springer
13 years 6 months ago
2010
Springer
Efficient reachability query answering in large directed graphs has been intensively investigated because of its fundamental importance in many application fields such as XML data ...