126 search results - page 13 / 26 » Query answering exploiting structural properties |
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
ERCIMDL
2009
Springer
14 years 4 months ago
2009
Springer
This paper presents a structure we call XML Wavelet Tree (XWT) to represent any XML document in a compressed and self-indexed form. Therefore, any query or procedure that could be ...
DASFAA
2010
IEEE
14 years 2 months ago
2010
IEEE
Given a set of query points, a dynamic skyline query reports all data points that are not dominated by other data points according to the distances between data points and query po...
ISCI
2008
13 years 9 months ago
2008
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
DASFAA
2010
IEEE
14 years 1 months ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...