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» Introducing the aggregate
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GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
ALT
2007
Springer
14 years 4 months ago
Pseudometrics for State Aggregation in Average Reward Markov Decision Processes
We consider how state similarity in average reward Markov decision processes (MDPs) may be described by pseudometrics. Introducing the notion of adequate pseudometrics which are we...
Ronald Ortner
ICPR
2008
IEEE
14 years 1 months ago
Incremental trajectory aggregation in video sequences
This article introduces new similarity measures between trajectories, in order to detect uncommon behaviors. These measures are used to find the most common trajectories in a seq...
Ionel Pop, Mihaela Scuturici, Serge Miguet
AAAI
2007
13 years 9 months ago
Uncertainty in Preference Elicitation and Aggregation
Uncertainty arises in preference aggregation in several ways. There may, for example, be uncertainty in the votes or the voting rule. Such uncertainty can introduce computational ...
Toby Walsh
CG
2006
Springer
13 years 7 months ago
Constrained diffusion-limited aggregation in 3 dimensions
Diffusion Limited Aggregation (DLA) has usually been studied in 2 dimensions as a model of fractal growth processes such as river networks, plant branching, frost on glass, electr...
Paul D. Bourke