119 search results - page 21 / 24 » Processing Set Expressions over Continuous Update Streams |
DMSN
2009
ACM
14 years 1 months ago
2009
ACM
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
IROS
2009
IEEE
14 years 1 months ago
2009
IEEE
— Autonomous systems situated in the real world often need to recognize, track, and reason about various types of physical objects. In order to allow reasoning at a symbolic leve...
MIR
2005
ACM
14 years 18 days ago
2005
ACM
Concept drifting is an important and challenging research issue in the field of machine learning. This paper mainly addresses the issue of semantic concept drifting in time series...
IANDC
2008
13 years 7 months ago
2008
Hybrid systems are dynamical systems with the ability to describe mixed discretecontinuous evolution of a wide range of systems. Consequently, at first glance, hybrid systems appe...
ISMIS
1997
Springer
13 years 11 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...