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6401
A comparative study of symbolic aggregate approximation and topological data analysis
Published 2024-10-01“…Our findings indicated that while TDA offered detailed insights into 'local' stock movements, SAX was more effective in capturing broader trends in financial markets, where less detail was required, making it suitable for portfolio optimization. We also presented an extension of SAX that incorporated volatility measures, improving its performance in highly volatile markets.…”
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6402
Service Discovery and Selection Based on Dynamic QoS in the Internet of Things
Published 2021-01-01“…Aiming at how to select the optimal plan from a large number of execution plans with the same function and different QoS characteristics, this paper proposes a web service selection algorithm that supports QoS global optimization and dynamic replanning. …”
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6403
EDUCATIONAL MOTIVATION OF UNDERGRADUATE STUDENTS AS AN INDICATOR OF THE QUALITY OF EDUCATION
Published 2019-12-01“…Possible directions of optimization of motivational structure of future managers have been studied. …”
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6404
Improved GOA-based fuzzy PI speed control of PMSM with predictive current regulation.
Published 2025-01-01“…The improved GOA is then employed to optimize the contraction-expansion factor of the variable universe fuzzy PI controller, achieving enhanced control performance for PMSMs. …”
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6405
Development of a GA-Fuzzy-Immune PID Controller with Incomplete Derivation for Robot Dexterous Hand
Published 2014-01-01“…Moreover, immune mechanism was applied to the controller design and an improved approach through integration of GA and fuzzy inference was proposed to realize parameters’ optimization. Finally, a simulation example was provided and the designed controller was proved ideal.…”
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6406
A New Residual Life Prediction Method for Complex Systems Based on Wiener Process and Evidential Reasoning
Published 2018-01-01“…Finally, a case study of gyroscope is examined to illustrate the feasibility and effectiveness of the proposed method, compared with fuzzy theory, which provides an important reference for the optimization of the reliability of complex systems and improvement.…”
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6407
Ultimate Bound of a 3D Chaotic System and Its Application in Chaos Synchronization
Published 2014-01-01“…To get the analytical expression of the ultimate boundary region, a new result of one maximum optimization question is proved. The corresponding ultimate boundary regions are demonstrated through numerical simulations. …”
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6408
Multiparty Evolutionary Game Model in Coal Mine Safety Management and Its Application
Published 2018-01-01“…Based on stability theory of dynamics system and phase diagram analysis, this article studies replicator dynamics of the evolutionary model to make an optimization analysis of the behaviors of those interested parties and the adjustment mechanism of safety management policies and decisions. …”
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6409
Strategic Uncertainty in Markets for Nonrenewable Resources: A Level-k Approach
Published 2017-01-01“…We are able to solve for the level-1 strategy by reducing the averaging problem to an optimization problem against a single action. We show that lower levels of strategic reasoning are close to the Walras and collusive benchmark, whereas higher level strategies converge to the Nash-Hotelling equilibrium. …”
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6410
Implementation of a Targeted Screening Program to Detect Airflow Obstruction Suggestive of Chronic Obstructive Pulmonary Disease within a Presurgical Screening Clinic
Published 2015-01-01“…A targeted spirometry screening program was implemented within a presurgical screening (PSS) clinic to detect undiagnosed airways disease and identify patients with COPD/asthma in need of treatment optimization.…”
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6411
A Method of Intrusion Detection Based on WOA-XGBoost Algorithm
Published 2022-01-01“…This paper proposes an intrusion detection model, which is mainly based on the XGBoost (Extreme Gradient Boosting), and uses the WOA (Whale Optimization Algorithm) to find the best parameters for it. …”
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6412
Modeling Spatial Riding Characteristics of Bike-Sharing Users Using Hotspot Areas-Based Association Rule Mining
Published 2022-01-01“…These findings make us understand urban spatial structure in response to traffic plan and provide evidence for bike-sharing dispatch optimization.…”
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6413
Dynamic Modeling and Analysis of the Email Virus Propagation
Published 2012-01-01“…Moreover, on the basis of the Lyapunov function, the domains of attraction of equilibria are estimated by solving an LMI optimization problem. Based on the above theoretical results, some effective strategies are also provided to control the propagation of the email viruses. …”
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6414
Nonfragile Gain-Scheduled Control for Discrete-Time Stochastic Systems with Randomly Occurring Sensor Saturations
Published 2013-01-01“…The aim of the paper is to design a nonfragile gain-scheduled controller with probability-dependent gains which can be achieved by solving a convex optimization problem via semidefinite programming method. …”
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6415
New Robust Principal Component Analysis for Joint Image Alignment and Recovery via Affine Transformations, Frobenius and L2,1 Norms
Published 2020-01-01“…To solve the convex optimization involved, an alternating iterative process is also considered to alleviate the complexity. …”
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6416
A New Quasi-Human Algorithm for Solving the Packing Problem of Unit Equilateral Triangles
Published 2014-01-01“…The packing problem of unit equilateral triangles not only has the theoretical significance but also offers broad prospects in material processing and network resource optimization. Because this problem is nondeterministic polynomial (NP) hard and has the feature of continuity, it is necessary to limit the placements of unit equilateral triangles before optimizing and obtaining approximate solution (e.g., the unit equilateral triangles are not allowed to be rotated). …”
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6417
A hybrid singular value thresholding algorithm with diagonal-modify for low-rank matrix recovery
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6418
The Use of Negative Acceleration as Accessory Force during Lifting
Published 2018-01-01“…Studies of biomechanics of lifting provide a basis for optimization of lifting. The aim of the study was to further investigate the role of the upward force due to negative acceleration during a lift. …”
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6419
Multi-Objective Genetic Algorithm for Task Assignment on Heterogeneous Nodes
Published 2012-01-01“…Moreover, targeting the optimization of multiple objectives makes it even more challenging. …”
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6420
PRACTICES OF SUCCESSFUL EMPLOYMENT OF THE YOUTH
Published 2017-07-01“…The article gives practical recommendations on optimization of interaction between employers and representatives of universities in the context of improving the quality of educational services.…”
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