Lotte Department Store has built and deployed Brand AI, an in-house artificial intelligence system that analyzes approximately 4,000 brands and consolidates dispersed merchandising data. The platform supports decisions such as which brands enter or exit store locations by visualizing brand performance, purchase relationships and competitive positioning. Its tools include a 3D Network Graph, Brand DNA comparisons, AI Report dashboards and AI Insight recommendations. Lotte said the system recorded a 70% return-user rate in its first month, while users reported more than twice the productivity of similar legacy workflows. The retailer plans to add a natural-language chatbot and API-based real-time web search in the second half of the year, while developing a companywide data ontology to connect customer, brand and store information for broader AI adoption.