2020 12th International Conference on Software Technology and Engineering (ICSTE 2020)， which will be held in Osaka, Japan during October 24-26, 2020. For papers submitted to ICSTE 2020, we offer the publications as following: 1. Publication in the International Journal of Machine Learning and Computing , which will be indexed by Google Scholar, Crossref, ProQuest, EI (INSPEC, IET), Scopus, etc. 2. Publication in the Journal of Software, which will be indexed by DBLP, EBSCO, DOAJ, ProQuest, INSPEC, WorldCat, etc. There are two methods for submitting your paper: 1. By our electric system: https://cmt3.research.microsoft.com/ICSTE2020 2. By our contact email box: icste@iap.org Please feel free contact with us: Conference Secretary: Yoyo Chow E-mail: icste@iap.org Telephone: +86-28-86512185 For more information about international conferences, please visit our conference website: ICSTE 2020 website:http://www.icste.org/index.html