958 search results - page 187 / 192 » Efficient data structures for range-aggregate queries on tre... |
P2PKM
2004
13 years 8 months ago
2004
Peer-to-Peer (P2P) systems share and manage huge amounts of data and resources distributed across a large number of machines. In pure P2P environments the control is totally decent...
STOC
2001
ACM
14 years 7 months ago
2001
ACM
We study two fundamental static data structure problems, membership and perfect hashing, in Yao's cell probe model. The first space and bit probe optimal worst case upper bou...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
MM
2004
ACM
14 years 24 days ago
2004
ACM
In this paper, we propose a unified framework, called Markov Model Mediator (MMM), to facilitate image database clustering and to improve the query performance. The structure of t...
DEBU
2010
13 years 7 months ago
2010
The popularity of location-based services and the need to perform real-time processing on them has led to an interest in queries on road networks, such as finding shortest paths a...