582 search results - page 24 / 117 » Performance Comparison of Point and Spatial Access Methods |
AI
2008
Springer
13 years 7 months ago
2008
Springer
Many collaborative multi-robot application domains have limited areas of operation that cause spatial conflicts between robotic teammates. These spatial conflicts can cause the te...
VLDB
2001
ACM
14 years 2 days ago
2001
ACM
Similarity retrieval mechanisms should utilize generalized quadratic form distance functions as well as the Euclidean distance function since ellipsoid queries parameters may vary...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—In multi-user multiple-input multiple-output (MUMIMO) systems, channel state information at the transmitter (CSIT) allows for multi-user spatial multiplexing and thus in...
COOPIS
2000
IEEE
14 years 2 days ago
2000
IEEE
Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information system...
SIGMOD
2009
ACM
14 years 7 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...