303 search results - page 36 / 61 » Using a compact tree to index and query XML data |
MM
1994
ACM
13 years 11 months ago
1994
ACM
In this paper we propose a technique for segmenting images by texture content with application to indexing images in a large image database. Using a quad-tree decomposition, textu...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
EDBT
2009
ACM
14 years 5 days ago
2009
ACM
Structured data including sets, sequences, trees and graphs, pose significant challenges to fundamental aspects of data management such as efficient storage, indexing, and simila...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
The ability to store and query uncertain information is of great benefit to databases that infer values from a set of observations, including databases of moving objects, sensor r...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity ...