Patent ID: 6973532

Claim:
Dialogue system ( 8 ) comprising: input means ( 2 ) for receiving dialogue information supplied by a user ( 1 ); output means ( 7 ) for providing dialogue information to said user ( 1 ); a plurality of memory units ( 4 ) for storing said dialogue information, wherein during a dialogue with a user, the dialogue system ( 8 ) passes through several dialogue states, and wherein, in each dialogue state, an information unit comprising dialogue information generated by said user ( 1 ) and/or the dialogue system ( 8 ) in said dialogue state is stored in one of said plurality of memory units ( 4 ); and assigning means for assigning each memory unit ( 4 ) pointing information linking the respective memory unit ( 4 ) to at least one other memory unit ( 4 ), said pointing information being stored in the memory unit ( 4 ) to which said pointing information is assigned.