958 search results - page 26 / 192 » Efficient data structures for range-aggregate queries on tre... |
VLDB
2001
ACM
13 years 12 months ago
2001
ACM
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
VLDB
1990
ACM
13 years 11 months ago
1990
ACM
In this paper, we present an efficient algorithm for managing replicated data. We impose a logical tree structure on the set of copies of an object. In a failurefree environment t...
SBBD
2004
13 years 8 months ago
2004
Metric Access Methods (MAM) are employed to accelerate the processing of similarity queries, such as the range and the k-nearest neighbor queries. Current methods improve the quer...
JDCTA
2010
13 years 2 months ago
2010
In order to solve the low efficiency problem of directly querying single node probability in the set of all ordinary XML data obtained by enumerating possible world set of the cor...
VLDB
2005
ACM
14 years 27 days ago
2005
ACM
We propose a balanced tree structure overlay on a peer-to-peer network capable of supporting both exact queries and range queries efficiently. In spite of the tree structure caus...