202108161348293Ma Xinna, Ph. D, associate professor, is working in the information science and Technology College of Shijiazhuang Railway University. She is mainly engaged in research work in the field of big data technology, deep learning and intelligent control. Dr. Ma has presided over a number of national, provincial and horizontal research projects, and published more than 20 papers on SCI, SSCI, EI journals and conference papers, and Chinese core journals.