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» Modelling the dynamics of biosystems
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TMI
1998
137views more  TMI 1998»
15 years 4 months ago
Dynamic Imaging and Tracer Kinetic Modeling for Emission Tomography Using Rotating Detectors
— When performing dynamic studies using emission tomography the tracer distribution changes during acquisition of a single set of projections. This is particularly true for some ...
Chi-Hoi Lau, David Dagan Feng, Brian F. Hutton, Da...
KDD
2010
ACM
218views Data Mining» more  KDD 2010»
15 years 8 months ago
Online multiscale dynamic topic models
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
Tomoharu Iwata, Takeshi Yamada, Yasushi Sakurai, N...
IEAAIE
2009
Springer
15 years 11 months ago
An Agent Model of Temporal Dynamics in Relapse and Recurrence in Depression
Abstract Unipolar depression is a mental disorder characterized by a persistent low mood and loss of awareness or contentment in usual activities [1]. Despite the modern era of pha...
Azizi Ab Aziz, Michel C. A. Klein, Jan Treur
BROADNETS
2007
IEEE
15 years 10 months ago
TCP dynamics over IEEE 802.11E WLANs: Modeling and throughput enhancement
— Today, IEEE 802.11 Wireless LAN (WLAN) has become a prevailing solution for broadband wireless Internet access while Transport Control Protocol (TCP) is the dominant transport ...
Jeonggyun Yu, Sunghyun Choi, Daji Qiao
HICSS
2007
IEEE
125views Biometrics» more  HICSS 2007»
15 years 10 months ago
Stochastic Model for Power Grid Dynamics
We introduce a stochastic model that describes the quasistatic dynamics of an electric transmission network under perturbations introduced by random load fluctuations, random rem...
Marian Anghel, Kenneth A. Werley, Adilson E. Motte...