3456 search results - page 672 / 692 » Semantics in Spatial Databases |
SSD
2007
Springer
2007
Springer
Blind Evaluation of Nearest Neighbor Queries Using Space Transformation to Preserve Location Privacy
14 years 2 months ago
In this paper we propose a fundamental approach to perform the class of Nearest Neighbor (NN) queries, the core class of queries used in many of the location-based services, withou...
SSD
2007
Springer
14 years 2 months ago
2007
Springer
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Labeling objects in images is an essential prerequisite for many visual learning and recognition applications that depend on training data, such as image retrieval, object detecti...
MIR
2004
ACM
14 years 1 months ago
2004
ACM
For describing and analyzing digital images of paintings we propose a model to serve as the basis for an interactive image retrieval system. The model defines two types of feature...
MM
2004
ACM
14 years 1 months ago
2004
ACM
We propose an adaptive skin-detection method, which allows modelling and detection of the true skin-color pixels with significantly higher accuracy and flexibility than previous...