It is my pleasure to present to you the first issue of Volume 5 of Vietnam Journal of Computer Science (VJCS). During the first 4 years (2014–2017), VJCS published 4 volumes with 16 issues including 92 high-quality papers selected in the rigorous peer-review process. All these issues have been published in schedule time. We are trying our best to keep strong internationality and regularity for VJCS.

Regarding the statistics, as of 2 Dec. 2017, we have received in total 612 papers, from which 101 papers have been accepted, 493 rejected and 18 papers are under review. According to Google Scholar, up to now papers published in VJCS have been cited 430 times. This statistics shows that VJCS has established the first step to be an international and prestigious journal in the field of Computer Science.

Vietnam Journal of Computer Science is now indexed in Google Scholar, ACM Digital Library, Computer and Information Systems Abstracts, DBLP, DOAJ, OCLC, Summon by ProQuest. VJCS papers are published in both forms of open access and print. We are trying our best to keep the regularity, internationality and the quality of selected papers for the journal.

On behalf of the VJCS community and the Sponsor, Nguyen Tat Thanh University, we cordially thank Springer-Nature for their kind supports for VJCS. Special thanks go to the members of Advisory Board, Associate Editors, Editorial Board members and Editorial Reviewer Board members for helping us in the paper selection process, journal promotion and for all advices and efforts in building VJCS to be a considerate and significant journal in the Computer Science field. Finally, we sincerely thank all authors for their valuable contributions to VJCS.

We would like to take this opportunity to wish you a Happy and Prosperous New Year 2018!