958 search results - page 161 / 192 » Efficient data structures for range-aggregate queries on tre... |
ICMCS
1999
IEEE
14 years 24 days ago
1999
IEEE
In this paper, we propose an original indexing by shape of image databases based on extended grid files. We first introduce a recently developed shape description method and tailo...
BIBE
2004
IEEE
14 years 7 days ago
2004
IEEE
Numerous genomic annotations are currently stored in different web-accessible databanks that scientists need to mine with user-defined queries and in a batch mode to orderly integ...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...
VLDB
2000
ACM
14 years 1 days ago
2000
ACM
Many emerging application domains require database systems to support efficient access over highly multidimensional datasets. The current state-of-the-art technique to indexing hi...
WIDM
2004
ACM
14 years 1 months ago
2004
ACM
In this paper, we propose a set of similarity metrics for manipulating collections of values occuring in XML documents. Following the data model presented in TAX algebra, we treat...