Art Anderson, a senior developer experience engineer at Aerospike, delves into the construction of multi-model applications using Aerospike. He highlights the versatility of the Aerospike database, supporting key-value, document, graph, and vector data models. Art demonstrates the Aerospike Vector Store's semantic search capabilities and the Aerospike Graph Service's data connection traversing. He also presents practical applications, such as recommendations and shopping cart functionality, using a demo retail website.