A natural time-dep.ndent similarity measure for two trajectories is their average distance at corresponding times. We give algorithms for computing the most similar subtrajectories under this measure, assuming the two...
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Session Initiation Protocol (SIP) [1] is adopted as the main signaling protocol for the IP Multimedia Subsystem (IMS). Large dep.oyment of SIP servers in Next Generation Networks (NGN) requires studying the behavior a...
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This paper presents an improved Genetic Algorithm for solving Conic Fitting problem. We first use several parallel small-populations Genetic Algorithms to obtain initial population, which has better average fitness. T...
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As more and more devices are equipped with multiple network interfaces, the multihomed technology is becoming an important technology that can provide more reliable connections against the network failure and better d...
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This paper proposes a new method for measuring the complexity of software systems based on complex network theory. We first construct the complex network model for software system. Then, the complexity of a homogeneou...
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This paper presents an approach based on Monte Carlo Simulation (MCS) to solve the Capacitated Vehicle Routing Problem (CVRP) with maximum traveling distance per route and additional costs per service, which introduce...
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Earthquake is a natural disaster which causes extensive poverty damage as well as the death of thousands and thousands of people. In this study, we tried to find the unknown characteristics of earthquakes using associ...
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The diffusion of new Internet and web technologies has increased the distribution of different digital content, such as text, sounds, images and videos. In this paper we focus on images and their role in the analysis ...
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The diffusion of new Internet and web technologies has increased the distribution of different digital content, such as text, sounds, images and videos. In this paper we focus on images and their role in the analysis of diversity. We consider diversity as a concept that takes into account the wide variety of information sources, and their differences in perspective and viewpoint. We describe a number of different dimensions of diversity;in particular, we analyze the dimensions related to image searches and context analysis, emotions conveyed by images and opinion mining, and bias analysis.
In this paper we present the problem of combining optimal control with efficient information gathering in an uncertain environment. We assume that the decision maker has the ability to choose among a discrete set of s...
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ISBN:
(纸本)9783642006012
In this paper we present the problem of combining optimal control with efficient information gathering in an uncertain environment. We assume that the decision maker has the ability to choose among a discrete set of sources of information, where the outcome of each source is stochastic. Different sources and outcomes determine a reduction of uncertainty, expressed in terms of constraints on system variables and set-points, in different directions. This paper proposes an optimization based decision making algorithm that simultaneously determines the best source to query and the optimal sequence of control moves, according to the minimization of the expected value of an index that weights both dynamic performance and the cost of querying. The problem is formulated using stochastic programming ideas with decision-dep.ndent scenario trees, and a solution based on mixed-integer linear programming is presented. The results are demonstrated on a simple supply-chain management example with uncertain market demand.
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