642 search results - page 75 / 129 » Answering XML Queries on Heterogeneous Data Sources |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
ESWS
2011
Springer
13 years 8 days ago
2011
Springer
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
EDBTW
2004
Springer
14 years 2 months ago
2004
Springer
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
AAAI
1998
13 years 10 months ago
1998
We present an approach for optimizing the performance of information agents by materializing useful information . A critical problem with information agents, particularly those ga...