* 12 pages, 5 figures . To be published at the proceeding of IEEE
International Conference on Software Analysis, Evolution and Reengineering
(SANER) 2021, Honolulu, Hawaii, USA Access Paper or Ask Questions
* 6 pages. Accepted at the AAAI 2020 Workshop on Deep Learning on
Graphs: Methodologies and Applications (AAAI DLGMA 2020). Final Version Access Paper or Ask Questions