| 摘要 |
Interactive dialogue system comprising a speech recogniser (11) for analysing a user's utterances and a speech synthesiser for transmitting messages to the user. The system includes a dialogue controller including an intelligent knowledge base (IKBS) (15) comprising frame based knowledge representation having a hierarchy of frames containing information about the dialogue. Each frame has slots having one or more values denoting atomic values, references to sub-frames, or procedures. The dialogue controller also includes a linguistic processor (13) which converts a word string supplied by the recogniser into the high level semantic representation of the IKBS and uses high level data from the IKBS to assist in recognising the next statement spoken by the user. The system may obtain information to answer a user enquiry from a database 17, or direct a computer to carry out an instruction or an appliance to alter its function. <IMAGE> |
