642 search results - page 33 / 129 » Answering XML Queries on Heterogeneous Data Sources |
ACSC
2006
IEEE
14 years 2 months ago
2006
IEEE
Manipulating semistructured data, such as XML, does not t well within conventional programming languages. A typical manipulation requires nding all occurrences of a structure matc...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
The largeness and the heterogeneity of most graph-modeled datasets in several database application areas make the query process a real challenge because of the lack of a complete ...
ICTAI
2009
IEEE
14 years 3 months ago
2009
IEEE
1 Many applications require integrated access to multiple distributed, autonomous, and often semantically disparate data. Hence there is a need for bridging the semantic gap betwe...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...