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SAC
2002
ACM
15 years 4 months ago
The P-tree algebra
The Peano Count Tree (P-tree) is a quadrant-based lossless tree representation of the original spatial data. The idea of P-tree is to recursively divide the entire spatial data, s...
Qin Ding, Maleq Khan, Amalendu Roy, William Perriz...
SIAMCO
2002
86views more  SIAMCO 2002»
15 years 4 months ago
On the Observability and Detectability of Continuous-Time Markov Jump Linear Systems
The paper introduces a new detectability concept for continuous-time Markov jump linear systems with finite Markov space that generalizes previous concepts found in the literature....
Eduardo F. Costa, João Bosco Ribeiro do Val
SIGIR
2002
ACM
15 years 4 months ago
Detecting and Browsing Events in Unstructured text
Previews and overviews of large, heterogeneous information resources help users comprehend the scope of collections and focus on particular subsets of interest. For narrative docu...
David A. Smith
SPE
2002
115views more  SPE 2002»
15 years 4 months ago
D'Agents: Applications and performance of a mobile-agent system
D'Agents is a general-purpose mobile-agent system that has been used in several informationretrieval applications. In this paper, we first examine one such application, opera...
Robert S. Gray, George Cybenko, David Kotz, Ronald...
TKDE
2002
239views more  TKDE 2002»
15 years 4 months ago
An Efficient Path Computation Model for Hierarchically Structured Topographical Road Maps
In this paper, we have developed a HiTi (Hierarchical MulTi) graph model for structuring large topographical road maps to the minimum cost route computation. The HiTi graph model p...
Sungwon Jung, Sakti Pramanik