90 search results - page 1 / 18 » Continuous obstructed nearest neighbor queries in spatial da... |
SIGMOD
2009
ACM
14 years 4 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
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...
EDBT
2004
ACM
14 years 4 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
DASFAA
2010
IEEE
13 years 8 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 4 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...