707 search results - page 86 / 142 » Processing queries on tree-structured data efficiently |
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
VLDB
1990
ACM
14 years 23 days ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...
KDD
2008
ACM
14 years 9 months ago
2008
ACM
Hidden Markov models (HMMs) have received considerable attention in various communities (e.g, speech recognition, neurology and bioinformatic) since many applications that use HMM...
DAWAK
1999
Springer
14 years 1 months ago
1999
Springer
Efficient index construction in multidimensional data spaces is important for many knowledge discovery algorithms, because construction times typically must be amortized by perform...