208 search results - page 6 / 42 » Indexing range sum queries in spatio-temporal databases |
ISPAN
2002
IEEE
14 years 18 days ago
2002
IEEE
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
TKDE
1998
13 years 7 months ago
1998
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
DEXA
2006
Springer
13 years 11 months ago
2006
Springer
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
An XML range query may impose predicates on the numerical or textual contents of the elements and/or their respective path structures. In order to handle content and structure ran...
ICDT
2001
ACM
14 years 4 days ago
2001
ACM
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...