221 search results - page 16 / 45 » Relation Algebras and their Application in Temporal and Spat... |
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
ICA
2010
Springer
13 years 8 months ago
2010
Springer
In this work we present a method for the estimation of a rank-one pattern living in two heterogeneous spaces, when observed through a mixture in multiple observation sets. Using a ...
PLILP
1998
Springer
13 years 11 months ago
1998
Springer
: The bene ts of the object, logic or relational, functional, and constraint paradigms can be obtained from our previous combination of the object and functional paradigms in hidde...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
Modern database applications show a growing demand for efficient and dynamic management of intervals, particularly for temporal and spatial data or for constraint handling. Common...
PR
2008
13 years 7 months ago
2008
This paper presents a Hierarchical Context Hidden Markov Model (HC-HMM) for behavior understanding from video streams in a nursing center. The proposed HC-HMM infers elderly behav...