958 search results - page 169 / 192 » Efficient data structures for range-aggregate queries on tre... |
AOSD
2007
ACM
14 years 9 days ago
2007
ACM
Efficient data retrieval from databases is a significant issue of the design of persistent systems. We propose an aspect oriented persistent system named AspectualStore. Aspectual...
SASO
2007
IEEE
14 years 2 months ago
2007
IEEE
Group communication primitives have broad utility as building blocks for distributed applications. The challenge is to create and maintain the distributed structures that support ...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
We investigate techniques for analysis and retrieval of object trajectories in a two or three dimensional space. Such kind of data usually contain a great amount of noise, that ma...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Web-based data sources, particularly in Life Sciences, grow in diversity and volume. Most of the data collections are equipped with common document search, hyperlink and retrieval...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
We give an O(n lg n)-time algorithm for counting the number of inversions in a permutation on n elements. This improves a long-standing previous bound of O(n lg n/ lg lg n) that ...