Dun Liu

ORCID: 0000-0002-1768-4598
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About
Contact & Profiles
Research Areas
  • Rough Sets and Fuzzy Logic
  • Multi-Criteria Decision Making
  • Data Mining Algorithms and Applications
  • Text and Document Classification Technologies
  • Data Management and Algorithms
  • Advanced Computational Techniques and Applications
  • Statistical and Computational Modeling
  • Imbalanced Data Classification Techniques
  • Evaluation and Optimization Models
  • Chinese history and philosophy
  • Advanced Algebra and Logic
  • History of Science and Medicine
  • History and Theory of Mathematics
  • Extenics and Innovation Methods
  • Efficiency Analysis Using DEA
  • Bayesian Modeling and Causal Inference
  • Natural Language Processing Techniques
  • Diverse Historical and Scientific Studies
  • Recommender Systems and Techniques
  • Optimization and Mathematical Programming
  • Sentiment Analysis and Opinion Mining
  • Economic and Environmental Valuation
  • Grouting, Rheology, and Soil Mechanics
  • Image Retrieval and Classification Techniques
  • Building materials and conservation

Southwest Jiaotong University
2016-2025

Southwestern University of Finance and Economics
2024

Southwest University
2024

Hefei University of Technology
2024

Science and Technology Department of Sichuan Province
2021-2023

Chinese Academy of Sciences
2004-2023

Northwest A&F University
2023

Institute of Soil and Water Conservation
2023

Institute of Optics and Electronics, Chinese Academy of Sciences
2020-2023

Wuhan Institute of Technology
2022

Decision-theoretic rough sets (DTRSs) play a crucial role in risk decision-making problems. With respect to the minimum expected risk, DTRSs deduce rules of three-way decisions. Considering new expression evaluation information with hesitant fuzzy (HFSs), we introduce HFSs into and explore their decision mechanisms. More specifically, take account losses elements propose model decision-theoretic (HFDTRSs). Some properties corresponding scores are carefully investigated under information....

10.1109/tfuzz.2014.2310495 article EN IEEE Transactions on Fuzzy Systems 2014-03-11

10.1016/j.ijar.2013.02.013 article EN publisher-specific-oa International Journal of Approximate Reasoning 2013-03-16

10.1016/j.ijar.2013.03.014 article EN publisher-specific-oa International Journal of Approximate Reasoning 2013-04-02

The decision-theoretic rough set model is adopted to derive a profit-based three-way approach investment decision-making. A decision made based on pair of thresholds conditional probabilities. positive rule makes investment, negative noninvestment, and boundary deferment. Both cost functions revenue are used calculate the required two by maximizing profit with Bayesian procedure. case study oil demonstrates proposed method.

10.1080/18756891.2011.9727764 article EN cc-by International Journal of Computational Intelligence Systems 2011-02-01

10.1016/j.ijar.2012.01.001 article EN publisher-specific-oa International Journal of Approximate Reasoning 2012-01-10

Approximations of a concept in rough set theory induce rules and need to update for dynamic data mining related tasks. Most existing incremental methods based on the classical model can only be used deal with categorical data. This paper presents new method incrementally updating approximations under neighborhood sets numerical A comparison proposed nonincremental maintenance is conducted by an extensive experimental evaluation different from UCI. Experimental results show that effectively...

10.1002/int.21523 article EN International Journal of Intelligent Systems 2012-02-22

By considering the risks in policy making procedure, a three-way decision approach based on decision-theoretic rough set model is adopted to risk government decision-making. A made pair of thresholds conditional probabilities. positive rule makes executing, negative non-executing, and boundary deferment. The loss functions are used calculate required two describe with Bayesian procedure. case study petroleum investment demonstrates proposed method.

10.1142/s0218488512400090 article EN International Journal of Uncertainty Fuzziness and Knowledge-Based Systems 2012-06-01

10.1016/j.ins.2016.01.065 article EN publisher-specific-oa Information Sciences 2016-02-02

10.1016/j.ijar.2018.11.001 article EN publisher-specific-oa International Journal of Approximate Reasoning 2018-11-07
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