Before revision: Despite the fact that natural language conversations with machines represent one of the central objectives of AI , and despite the massive increase of research and development efforts in conversational AI, task-oriented dialogue (ToD) -- i.e., conversations with an artificial agent with the aim of completing a concrete task -- is currently limited to a few narrow domains (e.g., food ordering, ticket booking) and a handful of major languages (e.g., English, Chinese).
After revision: Despite the fact that natural language conversations with machines represent one of the central objectives of AI , and despite the massive increase of research and development efforts , it is currently limited to a few narrow domains (e.g., food ordering, ticket booking) and a handful of major languages (e.g., English, Chinese).