148 search results - page 5 / 30 » Query Evaluation via Tree-Decompositions |
WWW
2008
ACM
13 years 7 months ago
2008
ACM
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
DIAGRAMS
2006
Springer
13 years 11 months ago
2006
Springer
This paper describes the evaluation of ERST, an adaptive system which is designed to improve its users' external representation (ER) selection accuracy on a range of database ...
ICDT
2012
ACM
11 years 9 months ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
VLDB
2001
ACM
13 years 11 months ago
2001
ACM
In this paper we propose a new framework for dynamic distributed query processing based on so-called HyperQueries which are essentially query evaluation sub-plans “sitting behin...