★ Publication: ICDLT 2019 Conference Proceedings will be published in the International Conference Proceedings Series by ACM, which will be archived in the ACM Digital Library, and indexed by Ei Compendex and Scopus and submitted to be reviewed by Thomson Reuters Conference Proceedings Citation Index (ISI Web of Science). The ISBN Number of ICDLT 2019 conference proceedings is: 978-1-4503-7160-5 ICDLT 2017 and ICDLT 2018 Conference Proceedings have been included into ACM Digital Library. ICDLT 2017 and ICDLT 2018 Conference Proceedings have benn indexed by Ei Compendex and Scopus successfully within 5 months after the conference. ★Submission★ 1. Full paper(publication and presentation) For full paper, please upload it to the Electronic Submission System (.pdf) https://easychair.org/conferences/?conf=icdlt2019 2. Abstract (presentation) For abstract, please send it to icdlt@young.ac.cn More detail about submission, please visit at http://www.icdlt.org/sub.html