A Method for Nocturia Monitoring in Smart Home using Decision Trees -- Efficient Data Aggregation for Human Activity Detection with Smart Home Sensor Net-work using K-means Clustering Algorithm -- Indoor Positioning System Using Pyramidal Beacon in Mobile Augmented Reality -- Design and Implementation of Real-Time Vehicle Recognition and Detection System based on YOLO -- Purchase Predictive Design Using Skeleton Model and Purchase Record -- Intelligent Digital Signage Using Deep Learning Based Recommendation System in Edge Environment -- Performance Analysis of Pulse Modulation in Robot Control based on IEEE 802.11 LiFi Standard -- Deep Learning-based Experimentation for Predicting Secondary Structure of Amino Acid Sequence -- A Study on Vulnerabilities of Linux Password and Countermeasures -- Analysis of Learning Model for Improvement of Software Education in Korea -- Implementation and Experiment of Join Optimization Algorithm for Inverted Index in an RDBMS -- Real-Time Subscriber Session Management on 5G NSA Wireless Network Systems -- PCA and K-Means based Genome Analysis for Hymenobacter sp. PAMC26628 .