259 search results - page 34 / 52 » Clustering for Approximate Similarity Search in High-Dimensi... |
UAI
2001
14 years 11 months ago
2001
We propose a new approach to value-directed belief state approximationfor POMDPs. The valuedirected model allows one to choose approximation methods for belief state monitoringtha...
116
click to vote
ICAPR
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we propose a novel method for fast nearest neighbors retrieval in non-Euclidean and non-metric spaces. We organize the data into a hierarchical fashion that preserv...
GIS
2002
ACM
14 years 9 months ago
2002
ACM
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
172
click to vote
GIS
2008
ACM
15 years 10 months ago
2008
ACM
The pervasiveness of location-acquisition technologies (GPS, GSM networks, etc.) enable people to conveniently log the location histories they visited with spatio-temporal data. T...