Dr. Vijay Walunj has significantly influenced the field of software engineering through his development of the GraphEvo framework, which utilizes Network Portrait Divergence (NPD) to enhance the analysis and prediction of software defects.Dr. Vijay Walunj has significantly influenced the field of software engineering through his development of the GraphEvo framework, which utilizes Network Portrait Divergence (NPD) to enhance the analysis and prediction of software defects. Dr. Vijay Walunj has significantly influenced the field of software engineering through his development of the GraphEvo framework, which utilizes Network Portrait Divergence (NPD) to enhance the analysis and prediction of software defects. Technology Technology News