28 search results - page 2 / 6 » Spatial Queries in the Presence of Obstacles |
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Reverse nearest neighbor (RNN) queries have a broad application base such as decision support, profile-based marketing, resource allocation, data mining, etc. Previous work on RNN ...
EDBT
2009
ACM
13 years 9 months ago
2009
ACM
In this paper, we identify and solve a new type of spatial queries, called continuous visible nearest neighbor (CVNN) search. Given a data set P, an obstacle set O, and a query li...
COMAD
2008
13 years 6 months ago
2008
In this paper, we address the problem of query formulation in the context of multi-domain integration of heterogeneous data on the Web. We argue that effectively tackling this pro...
CVPR
2011
IEEE
12 years 8 months ago
2011
IEEE
Most effective particular object and image retrieval approaches are based on the bag-of-words (BoW) model. All state-of-the-art retrieval results have been achieved by methods tha...
IROS
2006
IEEE
13 years 10 months ago
2006
IEEE
Abstract— This article presents an efficient and mature visionbased navigation algorithm based on a sensory-motor learning. Neither Cartesian nor topological map is required, bu...