1. RETRACTED ARTICLE: KM-LA: knowledge-based mining for linear analysis of inconsistent medical data for healthcare applications

   • Abhay Kumar Singh
   • Muhammad Rukunuddin Ghalib

   Original Article 10 January 2021 Pages: 1 - 1

2. RETRACTED ARTICLE: Error-less data fusion for posture detection using smart healthcare systems and wearable sensors for patient monitoring

   • Mohammed A. Alqarni

   Original Article 12 January 2021 Pages: 3 - 3

3. RETRACTED ARTICLE: Big data analytics to identify illegal activities on Bitcoin Blockchain for IoMT

   • Ajay Kumar
   • Kumar Abhishek
   • Achyut Shankar

   Original Article 10 May 2021 Pages: 5 - 5

4. RETRACTED ARTICLE: A complementary automation control for Internet of Things-based smart home assistance for elder adults

   • Ahmed S. Alfakeeh
   • Mohammed A. Alqarni
   • Sajjad Hussain Chauhdary

   Original Article 31 May 2021 Pages: 7 - 7

5. RETRACTED ARTICLE: Blockchain and ANFIS empowered IoMT application for privacy preserved contact tracing in COVID-19 pandemic

   • Bakhtawar Aslam
   • Abdul Rehman Javed
   • Muhammad Rizwan

   Original Paper 22 July 2021 Pages: 9 - 9

6. RETRACTED ARTICLE: Models in digital business and economic forecasting based on big data IoT data visualization technology

   • Xin Xin Quan
   • Jian Fei Yang
   • Zengrong Luo

   Original Paper 16 August 2021 Pages: 11 - 11

7. RETRACTED ARTICLE: Blockchain for COVID-19: a comprehensive review

   • Het Shah
   • Manasi Shah
   • Neeraj Kumar

   Original Article 05 August 2021 Pages: 13 - 13

8. RETRACTED ARTICLE: A novel hybrid feature combination method for enhanced movie recommendations with user resemblance and attitude mining

   • R. Lavanya
   • B. Bharathi

   Original Article 11 August 2021 Pages: 15 - 15

9. RETRACTED ARTICLE: Innovative research of dynamic monitoring system of mental health vocational students based on big data

   • Hongli Yang
   • Qinghui Liu

   Original Article 08 September 2021 Pages: 17 - 17

10. Retraction Note: Analyzing gene polymorphism and metal folic acid interactions in neural tube defects using optimized deep recurrent neural networks

    • Ibrahim Mustafa
    • Aldosary Saad
    • Nourelhoda M. Mahmoud

    Retraction Note 28 August 2023 Pages: 19 - 19

11. Retraction Note: Artificial intelligence technology based on deep learning in digestive endoscopy imaging diagnosis

    • Jinling Cheng
    • Tao Song
    • Dianmin Sun

    Retraction Note 28 August 2023 Pages: 21 - 21

12. Retraction Note: An optimised homomorphic CRT-RSA algorithm for secure and efficient communication

    • Rabia Abid
    • Celestine Iwendi
    • Cresantus Biamba

    Retraction Note Open access 28 August 2023 Pages: 23 - 23

13. Retraction Note: Systematic acuity of medicinal big data: need of health industry

    • Priyanka P. Shinde
    • Kavita S. Oza
    • Rajanish K. Kamat

    Retraction Note 30 August 2023 Pages: 25 - 25

14. Retraction Note: Diagnosis and combating COVID-19 using wearable Oura smart ring with deep learning methods

    • M. Poongodi
    • Mounir Hamdi
    • S. Vimal

    Retraction Note 30 August 2023 Pages: 27 - 27

15. Retraction Note: Design on intelligence music system in the cultural center based on IoT

    • Dandan Zhou
    • Leiyun Liu
    • Jongsun Hong

    Retraction Note 30 August 2023 Pages: 29 - 29

16. Retraction Note: Imaging features and clinical manifestations of neuromyelitis optica

    • Jundong Li
    • Jing Guo
    • Xiaoxia Zhao

    Retraction Note 30 August 2023 Pages: 31 - 31

17. Retraction Note: A fuzzy model of wearable network real-time health monitoring system on pharmaceutical industry

    • Chao Wang
    • Weike Lai

    Retraction Note 31 August 2023 Pages: 33 - 33

18. Retraction Note: Paillier homomorphic cryptosystem with poker shuffling transformation based water marking method for the secured transmission of digital medical images

    • S. Priya
    • R. Varatharajan
    • Priyan Malarvizhi Kumar

    Retraction Note 31 August 2023 Pages: 35 - 35

19. Retraction Note: Design and development of microstrip patch antenna with circular and rectangular slot for structural health monitoring

    • T. V. Padmavathy
    • D. S. Bhargava
    • N. Sivakumar

    Retraction Note 31 August 2023 Pages: 37 - 37

20. Retraction Note: A fuzzy control model based on BP neural network arithmetic for optimal control of smart city facilities

    • Xiaotang Xia
    • Tingyang Li

    Retraction Note 31 August 2023 Pages: 39 - 39

21. Retraction Note: Basketball culture event detection based on comprehensive integrated method

    • Ning Li

    Retraction Note 31 August 2023 Pages: 41 - 41

22. Retraction Note: Efficiency optimization and simulation to manufacturing and service systems based on manufacturing technology Just-In-Time

    • Dong Wang
    • Yujing Chen
    • Dan Chen

    Retraction Note 31 August 2023 Pages: 43 - 43

23. Retraction Note: Hybrid FOW—a novel whale optimized firefly feature selector for gait analysis

    • K. M. Monica
    • R. Parvathi

    Retraction Note 31 August 2023 Pages: 45 - 45

24. Retraction Note: Speech recognition with improved support vector machine using dual classifiers and cross fitness validation

    • B. Kanisha
    • S. Lokesh
    • Gokulnath Chandra Babu

    Retraction Note 01 September 2023 Pages: 47 - 47

25. Retraction Note: Recurrent learning of context for salient region detection

    • Chunling Wu

    Retraction Note 04 September 2023 Pages: 49 - 49

26. Retraction Note: Photographer trajectory detection from images

    • Linwei Fan
    • Huiyu Li
    • Caiming Zhang

    Retraction Note 04 September 2023 Pages: 51 - 51

27. Retraction Note: Region-specific multi-attribute white mass estimation-based mammogram classification

    • T. V. Padmavathy
    • M. N. Vimalkumar
    • N. Sivakumar

    Retraction Note 04 September 2023 Pages: 53 - 53

28. Retraction Note: Man–machine dialogue system optimization based on cloud computing

    • Maozhu Jin
    • Hua Wang
    • Yucheng Zeng

    Retraction Note 04 September 2023 Pages: 55 - 55

29. Retraction Note: Optimization of QoS parameters using scheduling techniques in heterogeneous network

    • I. Chandra
    • K. Helen Prabha
    • N. Sivakumar

    Retraction Note 05 September 2023 Pages: 57 - 57

30. Retraction Note: An improved nature inspired meta-heuristic algorithm for 1-D bin packing problems

    • Mohamed Abdel-Basset
    • Gunasekaran Manogaran
    • Seyedali Mirjalili

    Retraction Note 07 October 2023 Pages: 59 - 59