Method for computer operation by an intelligent, user adaptive interface

• US 20010017632A1
• Filed: 02/02/2001
• Published: 08/30/2001
• Est. Priority Date: 08/05/1999
• Status: Abandoned Application

• Current Assignee: Ben Gurion University of The Negev
• Original Assignee: Ben Gurion University of The Negev
• Inventors: Goren-Bar, Dina
• Application Number:
  US09/778,398
• Publication Number:
  US 20010017632A1
• Time in Patent Office: Days
• US Class Current: 345/744
• CPC Class Codes: G06F 9/451 Execution arrangements for user interfaces

Abstract

Method for interactive, user adaptive operation of a computerized system by using an intelligent user interface. Information about the user and his tasks is collected and stored. A preliminary dynamic stereotype user model is built, based on predetermined default values and/or on the information about the user, as well as a task model for the user. A preliminary adaptation level of the interface is provided to the user and the user task is characterized by adaptation between the user task and the user. After a predetermined period with no user operation, assistance is offered to the user. Requests from the user are received and if found correct, executed by operation an adaptive dialog manager for the specific user. If found incorrect, instructions/help is provided to the user by the adaptive dialog manager. A user protocol representing the information about the user, collected during his operation, is generated and/or processed. Macros and/or batch automated files, representing the user'"'"'s modes of operation by a sequence of operations typical for the user, are generated and/or updated. The preliminary user model, the user tasks and the user characteristics are updated in a manner responsive to the processed information from the user protocol and to successes/failures during operation of the user observed by the dialog manager. In case when a conflict between characteristics resulting from the collected information the stereotype user model occurs, the user characteristics are updated. The preliminary adaptation level of the dialog manager is modified and interaction with the user is carried out through the dialog manager according to the updated user model, user tasks and user characteristics.

Claims

1. Method for interactive, user adaptive operation of a computerized system by using an intelligent user interface, comprising the steps of:

a) collecting and storing information about the user;

b) collecting and storing information about the user task;

c) building a preliminary dynamic stereotype user model based on predetermined default values and/or on the information about the user;

d) building a task model for the user;

e) determining and providing a preliminary adaptation level of the interface to the user;

f) characterizing the user task by adaptation between the user task and the user;

g) offering the user assistance after a predetermined period with no user operation;

h) receiving requests from the user and executing them by operating an adaptive dialog manager for the specific user, in case of correct requests indicating the kind and number of user successes;

i) receiving a request from the user and providing the user instructions/help by operating an adaptive dialog manager for the specific user, in case of incorrect requests indicating the kind and number of user failures;

j) generating and/or processing a user protocol representing the information about the user collected during his operation;

k) generating and/or updating macros and/or batch automated files representing the user'"'"'s modes of operation by a sequence of operations typical for the user;

l) updating the preliminary user model, the user tasks and the user characteristics in a manner responsive to the processed information from the user protocol and to successes/failures during operation of the user observed by the dialog manager;

m) updating the user characteristics in case of occurrence of a conflict between characteristics resulting from the collected information the stereotype user model;

n) modifying the preliminary adaptation level of the dialog manager; and

o) interacting with the user through the dialog manager according to the updated user model, user tasks and user characteristics.

2. Method according to

claim 1

, wherein information about the user preferences is collected by monitoring the user operations.

3. Method according to

claim 2

, wherein the number of times the user requested for help being counted.

4. Method according to

claim 2

, wherein the number of user errors during operation being counted and interpreted.

5. Method according to

claim 2

, wherein time intervals between consecutive user operations being measured.

6. Method according to

claim 2

, wherein the user preferences are monitored during operation.

7. Method according to

claim 1

, wherein information about the user is collected by first introducing a questionnaire to the user.

8. Method according to

claim 1

, wherein information about the user is collected from a preliminary interview with the user.

9. Method according to

claim 1

, wherein default values are extracted from pre-programmed assumptions.

10. Method according to

claim 1

, wherein default values are extracted from researches on the addressed population of users.

11. Method according to

claim 1

, wherein default values are extracted from studies of the addressed population of users.

12. Method according to

claim 1

, wherein the user model is constructed by the steps of:

a) defining hierarchy of user stereotypes representing different user classifications;

b) associating objective and/or subjective characteristics for each user stereotype;

c) assigning a value for each characteristic;

d) representing the connection between the user classification and the user stereotype by a corresponding value from a predetermined scale;

e) characterizing the user preliminary model by selecting a set of stereotype attributes; and

f) updating the preliminary characterization by modifying/adding user characteristics and/or their values based on observation.

13. Method according to

claim 12

, wherein the user is further characterized by settling contradictions between user characteristics by the steps of:

a) obtaining all the user direct/indirect relations to different user stereotypes;

b) obtaining all the user direct/indirect relations to different characteristics existing in the stereotypes to which the user being related;

c) obtaining all the user certain characteristics based on observation; and

d) for each user characteristic with more than one value, selecting only the highest value and its associated stereotype.

14. Method according to

claim 1

, wherein the task model is constructed by the steps of:

a) collecting and storing information about the user tasks from the customer, the user and the system designer;

b) collecting and storing information about the user needs from the customer, the user and the system designer;

c) collecting and storing information about the user functions from the customer, the user and the system designer;

d) interacting with the utilities of the inherent operating system in a manner enabling execution of these utilities by the interface;

e) determining the lowest task level;

f) decomposing each task to a set of sub-tasks necessary to accomplish the task;

g) decomposing each sub-task iteratively, until the lowest task level is reached;

h) defining the specific sequence of tasks and/or sub-tasks; and

i) outputting a set of individual tasks and/or jobs representing several tasks, into the dialog manager.

15. Method according to

claim 14

, further comprising determining the attributes of the tasks and/or sub-tasks.

16. Method according to

claim 15

, wherein the attributes of the tasks and/or sub-tasks are selected from the following group of attributes:

the timing of carrying out the task/sub-task;

a manual or a computer oriented task/sub-task, or any combination thereof; and

the control structure of said task/sub-task.

17. Method according to

claim 15

, wherein the control structure of the tasks and/or sub-tasks is selected from the following group of control structures:

a serial structure;

a parallel structure;

an iterative structure; and

a conditioned structure.

18. Method according to

claim 14

, wherein the inherent operating system comprises editing utilities.

19. Method according to

claim 14

, wherein the inherent operating system comprises printing utilities.

20. Method according to

claim 14

, wherein the inherent operating system comprises reading utilities.

21. Method according to

claim 14

, wherein the inherent operating system comprises connecting utilities to other networks.

22. Method according to

claim 21

, wherein each other network is selected from the following group of networks:

a computer network;

a web-based network;

a telephone network;

a cellular network; and

a cable TV network.

23. Method according to

claim 1

, wherein the system provides the user help in case when no task is selected for execution.

24. Method according to

claim 1

, wherein the system analyzes the type of failure during the user operation and provides the user corrective instructions.

25. Method according to

claim 1

, wherein the user protocol is processed by the steps of:

a) for each task, counting and sorting the number of user correct operations;

b) for each task, counting and sorting the number of user failures; and

c) seeking after user macros during operation and counting the frequency of each macro.

26. Method according to

claim 1

, wherein the user model is updated by the steps of:

a) updating the user level of knowledge;

b) updating the user tasks;

c) updating the user macros; and

d) updating the user characteristics.

27. Method according to

claim 21

, wherein the user level of knowledge is updated by the steps of:

a) seeking after new information about the level of knowledge;

b) updating the current level of knowledge in case when new information is identified,

c) using the current level of knowledge in case when no new information is identified and a level of knowledge exists;

or

d) using default parameters as the current level of knowledge in case when no new information is identified and no level of knowledge exists.

28. Method according to

claim 26

, wherein each user task is updated by adding a task in case when no task exists.

29. Method according to

claim 26

, wherein each user macro is updated by the steps of

a) seeking after an existing macro;

b) calculating the mean frequency per session and the general frequency of all previous sessions, in case when an existing macro is identified;

c) counting the frequency of any identified sequence of user operations, in case when no existing macro is identified;

d) generating a macro from the identified sequence, in case when no existing macro is identified and the frequency of step c) above is equal to or higher than a predetermined value; and

e) for each generated macro, storing the mean frequency per session and the mean frequency of previous sessions.

30. Method according to

claim 26

, wherein each user characteristic is updated by settling contradictions between user characteristics.

31. Method according to

claim 1

, wherein interaction between the user and the dialog manager is carried out by a keyboard with suitable display.

32. Method according to

claim 1

, wherein interaction between the user and the dialog manager is carried out by soft touch sensors with suitable display.

33. Method according to

claim 1

, wherein interaction between the user and the dialog manager is carried out by a microphone and a speaker with suitable display.

34. Method according to

claim 1

, wherein interaction between the user and the dialog manager is carried out by a suitable means, selected from the following group:

a soft touch display;

PDA;

TV remote control unit;

cellular telephone; and

interactive TV.

35. Method according to any one of

claims 1

to

34

, wherein the computerized system is a PC.

36. Method according to any one of

claims 1

to

34

, wherein the computerized system is a workstation.

37. Method according to any one of

claims 1

to

34

, wherein the computerized system is a mini-computer.

38. Method according to any one of

claims 1

to

34

, wherein the computerized system is a main-frame computer.

39. Method according to any one of

claims 1

to

34

, wherein the computerized system is a client-server system.

40. Method according to any one of

claims 1

to

34

, wherein the computerized system is an INTERNET server.

41. Method according to any one of

claims 1

to

34

, wherein the computerized system is a telemedicine network.

42. A computerized system comprising:

a) computer hardware and peripheral devices;

b) an operating system software for running user applications;

c) a user application software running by the operating system; and

d) an intelligent user adaptive interface for interaction between the user and the operating system and/or application software.

43. An intelligent user adaptive interface according to

claim 42

, comprising:

a) means for collecting and storing information about the user;

b) means for collecting and storing information about the user task;

c) means for building a preliminary dynamic stereotype user model based on predetermined default values and/or on the information about the user;

d) means for building a task model for the user;

e) means for determining and providing a preliminary adaptation level of the interface to the user;

f) means for characterizing the user task by adaptation between the user task and the user;

g) means for offering the user assistance;

h) means for receiving requests from the user and executing them by operating an adaptive dialog manager for the specific user;

i) means for generating and/or processing a user protocol representing the information about the user collected during his operation;

j) means for generating and/or updating macros and/or batch automated files representing the user'"'"'s modes of operation;

k) means for updating the preliminary user model, the user tasks and the user characteristics in a manner responsive to the processed information from the user protocol and to successes/failures during operation of the user observed by the dialog manager;

l) means for updating the user characteristics in case of occurrence of a conflict between characteristics resulting from the collected information the stereotype user model;

m) means for modifying the preliminary adaptation level of the dialog manager; and

n) means for interacting with the user trough the dialog manager according to the updated user model, user tasks and user characteristics.

44. An intelligent user adaptive interface according to

claim 43

, comprising means for monitoring the user operations.

45. An intelligent user adaptive interface according to

claim 43

, comprising means for counting and interpreting the number of times the user requested for help.

46. An intelligent user adaptive interface according to

claim 43

, comprising means for counting and interpreting the number of errors during user operation.

47. An intelligent user adaptive interface according to

claim 43

, comprising means for measuring the time intervals between consecutive user operations.

48. An intelligent user adaptive interface according to

claim 43

, comprising means for monitoring the, user preferences during operation.

49. An intelligent user adaptive interface according to

claim 43

, comprising means for providing the user help in case when no task is selected for execution.

50. An intelligent user adaptive interface according to

claim 43

, comprising means for analyzing the type of failure during the user operation and means for providing the user corrective instructions.

51. An intelligent user adaptive interface according to

claim 43

, where interaction with the user is carried out by a keyboard with suitable display.

52. An intelligent user adaptive interface according to

claim 43

, where interaction with the user is carried out by soft touch sensors with suitable display.

53. An intelligent user adaptive interface according to

claim 43

, where interaction with the user is carried out by a microphone and a speaker with suitable display.

54. An intelligent user adaptive interface according to

claim 43

, where interaction with the user is carried out by a suitable soft touch display.

55. An intelligent user adaptive interface according to

claim 54

, in which interaction between the user and the dialog manager is carried out by a suitable means, selected from the following group:

a soft touch display;

a TV set;

PDA,

TV remote control unit;

cellular telephone; and

interactive TV.

56. Method for interactive, user adaptive operation of a computerized system by using an intelligent user interface, substantially as described and illustrated.

57. A computerized system, operated by interacting with an intelligent, user adaptive interface, substantially as described and illustrated.