The document announces a webinar on artificial intelligence and expert systems presented by Dr. R. Gunavathi, Head of the PG and Research Department of Computer Applications at Sree Saraswathi Thyagaraja College in Pollachi. The webinar agenda covers definitions of expert systems and their components, characteristics, examples, applications, and advantages and disadvantages. It also defines artificial intelligence and its components, characteristics, examples, applications, and advantages and disadvantages. The webinar aims to educate participants on these topics through presentations and discussions.