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WEB-BASED COLLABORATIVE DECISION SUPPORT SERVICES: CONCEPT, CHALLENGES AND APPLICATION
Spatial Decision Support System Web-based Decision Support System Distributed GIS Services Web-based Decision Support Services Web-based Weights of Evidence Model
2015/8/31
The complexity of spatial decision-making makes it difficult for individual organization to deal effectively with decision making.
Difficulty in linking data, analysis tools and models across organi...
Eye movements and an object-based model of heading perception
Eye movements object-based model heading perception
2015/8/13
The movement of an observer through an environment of stationary objects creates a complex set of motions called optical flow. Accurately registering these motions with our mobile eyes and acting upon...
Life is an Adventure! An agent-based reconciliation of narrative and scientific worldviews
narrative agent-based models myths uncertainty adventure mystery prospect anticipation exploration cybernetics dynamical systems complex adaptive systems landscape archetypes hero's journey
2015/7/16
The scientific worldview is based on laws, which are supposed to be certain, objective, and independent of time and context. The narrative worldview found in literature, myth and religion, is based on...
A Global BMI Algorithm Based on the Generalized Benders Decomposition
Linear matrix inequalities Robust control Numerical Methods
2015/7/13
We present a new algorithm for the global solution of optimization problems involving bilinear matrix inequalities (BMIs). The method is based on a technique known in large-scale and global optimizati...
Optimization-based Tuning of Low-bandwidth Control in Spatially Distributed Systems
Optimization-based Tuning Low-bandwidth Control Spatially Distributed Systems
2015/7/10
We describe a new method for tuning a certain family of low-bandwidth controllers for linear time-invariant and spatially-invariant (LTSI) plants. We consider LTSI controllers with a fixed structure, ...
A Scheme for Robust Distributed Sensor Fusion Based on Average Consensus
Scheme Robust Distributed Sensor Fusion Based Average Consensus
2015/7/10
We consider a network of distributed sensors, where each sensor takes a linear measurement of some unknown parameters, corrupted by independent Gaussian noises. We propose a simple distributed iterati...
On Time-Invariant Purified-Output-Based Discrete Time Control
Time-Invariant Purified-Output-Based Discrete Time Control
2015/7/10
In an earlier paper, we have demonstrated that the family of all affine non-anticipative output-based control laws in a discrete time linear dynamical system affected by uncertain disturbances is equi...
Optimization-Based Design and Implementation of Multi-Dimensional Zero-Phase IIR Filters
Optimization-Based Design Multi-Dimensional Zero-Phase IIR Filters
2015/7/10
This paper considers multi-dimensional infinite impulse response (IIR) filters that are iteratively implemented. The focus is on zero-phase filters with symmetric polynomials in the numerator and deno...
Compressed Sensing Based Cone-Beam Computed Tomography Reconstruction with a First-Order Method
cone-beam computed tomography compressed sensing weighted least-squares
2015/7/9
This article considers the problem of reconstructing cone-beam computed tomography (CBCT) images from a set of undersampled and potentially noisy projection measurements. The authors cast the reconstr...
A Perspective-Based Convex Relaxation for Switched-Affine Optimal Control
Switched-affi ne systems optimal control mixed-integer convex programming
2015/7/8
We consider the switched-affine optimal control problem, i.e., the problem of selecting a sequence of affine dynamics from a finite set in order to minimize a sum of convex functions of the system sta...
Grid-Based Simulation and the Method of Conditional Least Squares
Grid-Based Simulation Method Conditional Least Squares
2015/7/8
This paper is concerned with the use of simulation to compute the conditional expectations that arise in the method of conditional least squares. Our approach involves performing simulations at each p...
Transient Simulation Via Empirically-Based Coupling
Transient Simulation Empirically-Based Coupling
2015/7/8
In this paper we consider the use of coupling ideas in efficiently computing a certain class of transient performance measures. Specifically, we consider the setting in which the stationary distributi...
Kernel-Based Reinforcement Learning in Average-Cost Problems
Average–cost problem dynamic programming kernel smoothing local averaging Markov decision process (MDP)
2015/7/8
Reinforcement learning (RL) is concerned with the identification of optimal controls in Markov decision processes (MDPs) where no explicit model of the transition probabilities is available. Many exis...
Simulation-based Response Surface Estimation in the Presence of Monotonicity
Simulation-based Response Surface Estimation Presence Monotonicity
2015/7/6
In many stochastic models, it is known that the response surface corresponding to a particular performance measure is monotone in the underlying parameter. For example, the steady-state mean waiting t...
Capacity of Finite State Channels Based on Lyapunov Exponents of Random Matrices
Finite-state channel hidden Markov model random matrices Shannon capacity
2015/7/6
The finite-state Markov channel (FSMC) is a timevarying channel having states that are characterized by a finitestate Markov chain. These channels have infinite memory, which complicates their capacit...