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    Chapter and Conference Paper

    Design of Intelligent Twin-Screw Extruder Control System Based on Improved PSO-BP Neural Network

    In the biaxially oriented polyester film production line, the extrusion system is a very important link, and the stability of the extruder pressure directly affects the quality of the film product. In order to...

    Xuanhao Yang, Hongzhan Zhang, Wei **ao in Advanced Computational Intelligence and In… (2024)

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    Chapter and Conference Paper

    A Collaborative Filtering Recommendation System by Unifying User Similarity and Item Similarity

    Collaborative filtering recommendation system based on user similarity has been wildly studied because of its broad application. In reality, users keep partial similarity with larger possibility. Computing the...

    Dongzhan Zhang, Chao Xu in Web-Age Information Management (2012)

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    Chapter and Conference Paper

    Performance Optimization of Analysis Rules in Real-Time Active Data Warehouses

    Analysis rule is an important component of a real-time active data warehouse. Performance optimization of analysis rules may greatly improve the system response time when a new event occurs. In this paper, we ...

    Ziyu Lin, Dongzhan Zhang, Chen Lin, Yongxuan Lai in Web Technologies and Applications (2012)

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    Chapter and Conference Paper

    Regularized REML for Estimation in Heteroscedastic Regression Models

    In this paper, we propose a regularized restricted maximum likelihood(REML) method for simultaneous variable selection in heteroscedastic regression models. Under certain regularity conditions, we establish th...

    Dengke Xu, Zhongzhan Zhang in Nonlinear Mathematics for Uncertainty and its Applications (2011)

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    Chapter and Conference Paper

    Variable Selection for Semiparametric Isotonic Regression Models

    In this paper, we propose a penalized constrained least squares method for variable selection in semiparametric isotonic regression model. Under certain regularity conditions, asymptotic properties of the prop...

    Jiang Du, Zhongzhan Zhang, Tianfa **e in Nonlinear Mathematics for Uncertainty and … (2011)