923 search results - page 115 / 185 » On a Declarative Semantics for Web Queries |
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
Dataspace applications necessitate the creation of associations among data items over time. For example, once information about people is extracted from sources on the Web, associa...
WEBDB
2004
Springer
14 years 2 months ago
2004
Springer
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Many applications in analytical domains often have the need to "connect the dots" i.e., query about the structure of data. In bioinformatics for example, it is typical t...
IDEAS
2006
IEEE
14 years 3 months ago
2006
IEEE
Unlike numerical preferences, preferences on attribute values do not show an inherent total order, but skyline computation has to rely on partial orderings explicitly stated by th...