1. Evolutionary Computation in Social Propagation over Complex Networks: A Survey

   • Tian-Fang Zhao
   • Wei-Neng Chen
   • Xiao-Kun Wu

   Review Open access 04 June 2021 Pages: 503 - 520

2. Ensuring the Correctness of Regular Expressions: A Review

   • Li-Xiao Zheng
   • Shuai Ma
   • Xiang-Yu Luo

   Review Open access 04 June 2021 Pages: 521 - 535

3. A Review on Cooperative Robotic Arms with Mobile or Drones Bases

   • Larona Pitso Ramalepa
   • Rodrigo S. Jamisola Jr.

   Review 19 May 2021 Pages: 536 - 555

4. Contrastive Self-supervised Representation Learning Using Synthetic Data

   • Dong-Yu She
   • Kun Xu

   Research Article Open access 11 May 2021 Pages: 556 - 567

5. Fuzzy Tuned PID Controller for Envisioned Agricultural Manipulator

   • Satyam Paul
   • Ajay Arunachalam
   • Olena Rubanenko

   Research Article Open access 13 April 2021 Pages: 568 - 580

6. A Regularized LSTM Method for Predicting Remaining Useful Life of Rolling Bearings

   • Zhao-Hua Liu
   • Xu-Dong Meng
   • Lei Chen

   Research Article Open access 08 March 2021 Pages: 581 - 593

7. Low-cost Position and Force Measurement System for Payload Transport Using UAVs

   • Daniel Ceferino Gandolfo
   • Claudio D. Rosales
   • Ricardo Carelli

   Research Article Open access 13 April 2021 Pages: 594 - 604

8. Delayed Teleoperation with Force Feedback of a Humanoid Robot

   • Viviana Moya
   • Emanuel Slawiñski
   • Vicente Mut

   Research Article Open access 01 March 2021 Pages: 605 - 618

9. A Novel Heterogeneous Actor-critic Algorithm with Recent Emphasizing Replay Memory

   • Bao Xi
   • Rui Wang
   • Shuo Wang

   Research Article 23 April 2021 Pages: 619 - 631

10. A Spatial Cognitive Model that Integrates the Effects of Endogenous and Exogenous Information on the Hippocampus and Striatum

    • Jing Huang
    • He-Yuan Yang
    • Hao-Meng Liu

    Research Article 20 March 2021 Pages: 632 - 644

11. Gripper Design for Radio Base Station Autonomous Maintenance System

    • Gabriel Reis
    • Marrone Dantas
    • Maria Marquezini

    Research Article 15 May 2021 Pages: 645 - 653

12. Design and Analysis of a Novel 2T2R Parallel Mechanism with the Closed-loop Limbs

    • Hai-Rong Fang
    • Peng-Fei Liu
    • Bing-Shan Jiang

    Research Article 13 April 2021 Pages: 654 - 666

13. A Fast Vision-inertial Odometer Based on Line Midpoint Descriptor

    • Wen-Kuan Li
    • Hao-Yuan Cai
    • Chun-Xiu Liu

    Research Article 05 June 2021 Pages: 667 - 679

14. Correction to: Semi-supervised Ladder Networks for Speech Emotion Recognition

    • Jian-Hua Tao
    • Jian Huang
    • Ming-Yue Niu

    Correction Open access 13 December 2019 Pages: 680 - 680