60 search results - page 10 / 12 » Oracle8i Spatial: Experiences with Extensible Databases |
DASFAA
2010
IEEE
13 years 10 months ago
2010
IEEE
Abstract. Continuous monitoring of spatial queries has received significant research attention in the past few years. In this paper, we propose two efficient algorithms for the con...
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
EDBT
2009
ACM
13 years 11 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...
TKDE
2011
13 years 2 months ago
2011
—With the advance of wireless communication technology, it is quite common for people to view maps or get related services from the handheld devices, such as mobile phones and PD...
TMM
2010
13 years 1 months ago
2010
Based on the local keypoints extracted as salient image patches, an image can be described as a "bag-of-visualwords (BoW)" and this representation has appeared promising ...