Results 261 to 270 of about 12,701,784 (312)

Modeling Dynamics in Crowdfunding

Marketing Science, 2020
This paper investigates the underlying mechanisms of crowdfunding behavior (forward-looking delaying investment behavior and social interactions), which lead to the crowdfunding dynamics.
Chul Kim   +3 more
openaire   +1 more source

Dynamic topic models

Proceedings of the 23rd international conference on Machine learning - ICML '06, 2006
A family of probabilistic time series models is developed to analyze the time evolution of topics in large document collections. The approach is to use state space models on the natural parameters of the multinomial distributions that represent the topics.
David M. Blei, John D. Lafferty
openaire   +1 more source

Dynamic Model of Excavator

Journal of Aerospace Engineering, 1993
Automation of excavation work calls for a robotic system able to perform the planned digging work that is responsive to interaction forces experienced during excavation. The development of automated excavation control methods requires a dynamic model to describe the evolution of the excavator motion with time.
Vähä, Pentti, Skibniewski, Miroslaw
openaire   +2 more sources

Models of dynamical systems

2003
Dynamical systems can be modelled from different viewpoints. This chapter summarises the main notions. Each of the succeeding chapters uses one of these models for fault diagnosis and fault-tolerant control.
Mogens Blanke   +3 more
openaire   +1 more source

A Dynamic Model for Wellbeing

Australasian Psychiatry, 2007
Objective: This paper presents a public health model of mental health which places wellbeing at its centre and illustrates how wellbeing is influenced by the inter-relationship between risk, protective and environmental factors. This model should encourage a more comprehensive approach to wellbeing promotion and will assist in developing appropriate ...
Jonathan, Campion, Jo, Nurse
openaire   +2 more sources

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