1086 search results - page 52 / 218 » Event Structures with Symmetry |
PRL
2006
13 years 10 months ago
2006
In this paper we propose a trajectory clustering algorithm suited for video surveillance systems. Trajectories are clustered on-line, as the data are collected, and clusters are o...
SENSYS
2006
ACM
14 years 4 months ago
2006
ACM
Computing and maintaining network structures for efficient data aggregation incurs high overhead for dynamic events where the set of nodes sensing an event changes with time. Mor...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
We present an index structure for managing weightedsequences in large databases. A weighted-sequence is defined as a two-dimensional structure where each element in the sequence i...
CONTEXT
1999
Springer
14 years 2 months ago
1999
Springer
Abstract. Temporal reference in natural language is inherently context dependent: what counts as a moment in one context may be structurally analysed in another context, and vice v...
JAPLL
2007
13 years 10 months ago
2007
History based models, introduced by Parikh and Ramanujam, provide a natural mathematical model of social interactive situations. These models offer a ”low level” description ...