33 search results - page 3 / 7 » On Trip Planning Queries in Spatial Databases |
SSDBM
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
PUK
2003
13 years 7 months ago
2003
This paper exploits the spatial representation of state space problem graphs to preprocess and enhance heuristic search engines. It combines classical AI exploration with computati...
ICDE
2010
IEEE
14 years 1 months ago
2010
IEEE
— Finding the k nearest neighbors (kNN) of a query point, or a set of query points (kNN-Join) are fundamental problems in many application domains. Many previous efforts to solve...
ICDE
2011
IEEE
12 years 10 months ago
2011
IEEE
—The booming industry of location-based services has accumulated a huge collection of users’ location trajectories of driving, cycling, hiking, etc. In this work, we investigat...