Sciweavers

1923 search results - page 109 / 385
» Ranking in Spatial Databases
Sort
View
SSDBM
2010
IEEE
105views Database» more  SSDBM 2010»
14 years 1 months ago
Organization of Data in Non-convex Spatial Domains
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
Eric A. Perlman, Randal C. Burns, Michael M. Kazhd...
PUK
2003
13 years 9 months ago
Accelerating Heuristic Search in Spatial Domains
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...
Stefan Edelkamp, Shahid Jabbar, Thomas Willhalm
GIS
2008
ACM
13 years 9 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson
ICTAI
1999
IEEE
14 years 9 days ago
Spatial Color Histograms for Content-Based Image Retrieval
Color histogram is an important technique for color image database indexing and retrieving. In this paper, traditional color histogram is modified to capture spatial layout informa...
Aibing Rao, Rohini K. Srihari, Zhongfei Zhang
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 8 months ago
Robust and efficient algorithms for rank join evaluation
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
Jonathan Finger, Neoklis Polyzotis