Article
Computer Science, Artificial Intelligence
Shan Lu, Ning Zhang, Lifen Jia
Summary: This paper addresses a multiobjective multiperiod portfolio selection problem based on uncertainty theory, proposing a new uncertain portfolio optimization model and a hybrid technique called the MFA-SOS algorithm to solve it. Various constraints are taken into account in the model, and a numerical example demonstrates the effectiveness of the proposed approach.
APPLIED INTELLIGENCE
(2021)
Article
Computer Science, Artificial Intelligence
Chen Li, Yulei Wu, Zhonghua Lu, Jue Wang, Yonghong Hu
Summary: The article introduces a complex portfolio model with multiple constraints and fuzzy random variables, considering terminal wealth, conditional value at risk, and skewness. To solve this model, a novel intelligent hybrid algorithm is designed by combining neural networks and an improved competitive algorithm to search the solution space.
IEEE TRANSACTIONS ON FUZZY SYSTEMS
(2021)
Article
Geochemistry & Geophysics
Amir Joolaei, Alireza Arab-Amiri, Ali Nejati
Summary: Traditionally, local deterministic optimization techniques have been used for nonlinear gravity inversion problems, but recently global optimization methods such as a hybrid of ICA and FA algorithm have shown promising results. This hybrid method improves exploratory capability and convergence rate, making it a potential alternative to local optimization techniques in highly nonlinear geophysical problems.
Article
Computer Science, Artificial Intelligence
Mohammad Reza Afshar, Masoud Zavari
Summary: The selection of subcontractors is crucial for the success of a project as it can significantly impact the project's outcomes. Choosing the wrong subcontractor can result in delays and cost overruns, highlighting the importance of selecting the best subcontractor.
Article
Computer Science, Artificial Intelligence
Zhenhua He, Hamed Ahmadzade, Kamran Rezaei, Hassan Rezaei, Habib Naderi
Summary: This paper introduces the flexibility of Tsallis entropy and the concept of partial Tsallis entropy, provides a calculation method, and applies it in the field of finance to optimize portfolio selection of uncertain random returns.
Article
Computer Science, Artificial Intelligence
M. Revanesh, S. A. Sahaaya Arul Mary, G. Gnaneswari, G. Maria Jones, K. V. Kanimozhi, G. K. Kamalam
Summary: The wireless sensor nodes collect environmental data while using their batteries to communicate. Sharing data consumes more energy and shortens the network lifetime. Energy efficiency is crucial, and the proposed technique optimizes cluster head selection to enhance deep neural network performance. This technique improves search activity and increases network longevity. Throughput, leftover energy, and active nodes are evaluated, and the proposed approach outperforms the firefly algorithm.
NEURAL COMPUTING & APPLICATIONS
(2023)
Article
Computer Science, Artificial Intelligence
Xin-rui Tao, Jun-qing Li, Ti-hao Huang, Peng Duan
Summary: The research on resource-constrained hybrid flowshop problem led to the proposal of a discrete imperialist competitive algorithm (DICA) to minimize makespan and energy consumption. The algorithm represents solutions using two-dimensional vectors, with one for scheduling sequence and the other for machine assignment, and incorporates a decoding method considering resource allocation. By combining DICA with simulated annealing algorithm (SA), the proposed approach showed high efficiency in solving the RCHFS problem.
COMPLEX & INTELLIGENT SYSTEMS
(2021)
Article
Engineering, Electrical & Electronic
Zekun Tian, Dahua Li, Yu Song, Qiang Gao, Qiaoju Kang, Yi Yang
Summary: A study established a dataset for EEG emotion recognition in deaf subjects, proposing an integrated genetic firefly algorithm to optimize feature combinations and classifiers. The method showed promising results in reducing feature dimension while improving classification accuracy.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2021)
Article
Computer Science, Artificial Intelligence
Rupam Gupta Roy, Girish Vithalrao Lakhekar, Muhammad Hassan Tanveer
Summary: This study investigates the control problem of autonomous underwater vehicles and proposes an integrated approach of optimized neural network and second-order sliding mode control. The positive gain of the neural network model is optimized using a novel algorithm, and the superiority of the proposed model is validated under various measures.
Article
Geochemistry & Geophysics
Zhengyu Xu, Zhihong Fu, Nengyi Fu
Summary: The transient electromagnetic (TEM) method is commonly used in various fields such as regional mineral resources surveys, environmental engineering geological surveys, and shallow surface geophysical exploration. However, the interpretation and inversion of TEM data can be a challenging process. This article introduces the firefly algorithm (FA) technology for TEM inversion, which has been found to have a high degree of fitting, good anti-noise property, and fast search speed. The effectiveness of the FA algorithm is demonstrated through the comparison with other algorithms and the application in pseudo 2-D inversion.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2022)
Article
Energy & Fuels
Majid Khanali, Asadollah Akram, Javad Behzadi, Fatemeh Mostashari-Rad, Zahra Saber, Kwok-wing Chau, Ashkan Nabavi-Pelesaraei
Summary: The study focuses on the energy flow and environmental emissions of walnut orchards in Alborz province of Iran, aiming to optimize them through a multi-objective imperialist competitive algorithm. Results show energy inefficiency in walnut production, with gasoline being the dominant energy consumer. Environmental findings indicate on-orchard emissions and gasoline as the main hotspots.
Article
Computer Science, Interdisciplinary Applications
A. Kaveh, P. Rahmani, A. Dadras Eslamlou
Summary: This paper introduces a new hybrid algorithm ICHHO, combining HHO and ICA, which successfully improves the search strategy and demonstrates competitive performance through comparisons with other techniques and problems.
ENGINEERING WITH COMPUTERS
(2022)
Article
Construction & Building Technology
Jianyang Cai, Haidong Yang, Tiancheng Lai, Kangkang Xu
Summary: A new optimization algorithm based on an improved imperialist competitive algorithm (ICA-DE) is proposed to reduce the energy consumption of a multi-chiller system. The idea of differential mutation proposed by differential evolution (DE) was applied to create more new locations for colonies and increase population diversity in the assimilation process of ICA. The ICA-DE method was used to distribute the partial load rate (PLR) of chillers and achieved good results in reducing energy consumption.
ENERGY AND BUILDINGS
(2023)
Article
Mathematics
Marius Gavrilescu, Sabina-Adriana Floria, Florin Leon, Silvia Curteanu
Summary: This paper introduces a novel neural network optimization method that combines improved evolutionary competitive algorithm and gradient-based backpropagation. By incorporating backpropagation and self-adaptive hyperparameter adjustment strategy, this method generates regression models that are better correlated with the desired outputs and provides more accurate predictions.
Article
Computer Science, Artificial Intelligence
Xia Li, Junhan Chen, Lingfang Sun, Jing Li
Summary: Intelligent optimization algorithms play an important role in solving global optimization problems. The imperialist competitive algorithm (ICA), a nature-inspired meta-heuristic algorithm, tends to fall into local optima. To address this issue, an improved ICA algorithm is proposed, which incorporates the theory of spiral rising to expand search space and enhance global search ability.
PEERJ COMPUTER SCIENCE
(2022)
Article
Economics
Yong-Jun Liu, Wei-Guo Zhang
COMPUTATIONAL ECONOMICS
(2019)
Article
Computer Science, Artificial Intelligence
Yong Jun Liu, Wei-Guo Zhang, Pankaj Gupta
KNOWLEDGE-BASED SYSTEMS
(2018)
Article
Physics, Multidisciplinary
Wei-Guo Zhang, Zhe Li, Yong-Jun Liu
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2018)
Article
Physics, Multidisciplinary
Zhe Li, Wei-Guo Zhang, Yong-Jun Liu
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2018)
Article
Economics
Xing Yu, Weiguo Zhang, Yongjun Liu
ECONOMIC COMPUTATION AND ECONOMIC CYBERNETICS STUDIES AND RESEARCH
(2018)
Article
Computer Science, Artificial Intelligence
Yong-Jun Liu, Wei-Guo Zhang
APPLIED SOFT COMPUTING
(2019)
Article
Operations Research & Management Science
Yu Xing, Zhang Wei-Guo, Liu Yong-Jun
ASIA-PACIFIC JOURNAL OF OPERATIONAL RESEARCH
(2019)
Article
Management
Yong-Jun Liu, Wei-Guo Zhang
Summary: This study proposes a fuzzy multi-period portfolio selection model that takes into account time-varying loss aversion, and designs an improved co-evolutionary particle swarm optimization algorithm to solve the model. The research demonstrates that the proposed model significantly impacts the performance of portfolio selection in practical applications.
JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY
(2021)
Article
Computer Science, Artificial Intelligence
Zhe Li, Yong-Jun Liu, Wei-Guo Zhang
Article
Computer Science, Interdisciplinary Applications
Xing Yu, Wei Guo Zhang, Yong Jun Liu, Xinxin Wang, Chao Wang
MATHEMATICS AND COMPUTERS IN SIMULATION
(2020)
Article
Computer Science, Artificial Intelligence
Yong-Jun Liu, Wei-Guo Zhang, Pankaj Gupta
IEEE TRANSACTIONS ON FUZZY SYSTEMS
(2020)
Article
Business
Xuejin Zhao, Wei-Guo Zhang, Yong-Jun Liu
EMERGING MARKETS FINANCE AND TRADE
(2020)
Article
Business, Finance
Zhe Li, Wei-Guo Zhang, Yong-Jun Liu, Yue Zhang
INTERNATIONAL REVIEW OF ECONOMICS & FINANCE
(2019)
Article
Business, Finance
Zhe Li, Wei-Guo Zhang, Yong-Jun Liu
NORTH AMERICAN JOURNAL OF ECONOMICS AND FINANCE
(2018)