Hang O Lee

US Patent:

20060123358, Jun 8, 2006

Filed:

Dec 3, 2004

Appl. No.:

11/004339

Inventors:

Hang Lee - Palatine IL, US
Anurag Gupta - Palatine IL, US

International Classification:

G06F 17/00
G06F 3/00
G06F 17/27

US Classification:

715809000, 715700000, 704009000

Abstract:

A method for operating a multi-modal dialog system () is provided. The multi-modal dialog system () comprises a plurality of modality recognizers (), a dialog manager (), and a grammar generator (). The method interprets a current context of a dialog. A template () is generated, based on the current context of the dialog and a task model (). Further, a current modality capability information () is obtained. Finally, a multi-modal grammar () is generated based on the template () and the current modality capability information ().

US Patent:

20060155546, Jul 13, 2006

Filed:

Jan 11, 2005

Appl. No.:

11/033066

Inventors:

Anurag Gupta - Palatine IL, US
Hang Lee - Palatine IL, US

International Classification:

G10L 11/00

US Classification:

704275000

Abstract:

A method and a system for controlling a set of input modalities in a multimodal dialog system are provided. The method includes selecting () a sub-set of input modalities that a user can use to provide user inputs during a user turn. The method further includes dynamically activating () the input modalities that are included in the sub-set of input modalities. Further, the method includes dynamically deactivating () the input modalities that are not included in the sub-set of input modalities.

US Patent:

20060167848, Jul 27, 2006

Filed:

Jan 26, 2005

Appl. No.:

11/043837

Inventors:

Hang Lee - Palatine IL, US
William Thompson - Evanston IL, US

International Classification:

G06F 7/00

US Classification:

707003000

Abstract:

A method for querying a database () in a task based dialog system () is provided. The task based dialog system () comprises a task model (), a user model (), a dialog manager (), a query generator (), and a mapper (). The method interprets a user input required b complete a task. A query is generated for querying the database (). If the generated query is not suitable for querying the database () it is converted to a suitable query. The suitable query is executed to complete the task.