System and method for data collection, evaluation, information generation, and presentation

• US 6,662,192 B1
• Filed: 03/29/2000
• Issued: 12/09/2003
• Est. Priority Date: 03/29/2000
• Status: Expired due to Term

• Current Assignee: Bizrate Insights, Inc. (IAC, Inc.)
• Original Assignee: Bizrate.Com, Co.
• Inventors: Rebane, George J.
• Primary Examiner(s): Mizrahi, Diane D.
• Application Number:
  US09/538,569
• Time in Patent Office: 1,350 Days
• Field of Search: 707/104.1, 707/10, 705/35, 705/10, 725/20
• US Class Current: 1/1
• CPC Class Codes: G06F 16/21 Design, administration or maintenance of databases
• CPC Class Codes: G06Q 30/02 Marketing; Price estimation or determination; Fundraising
• CPC Class Codes: Y10S 707/99945 Object-oriented database structure processing
• CPC Class Codes: Y10S 707/99948 Application of database or data structure, e.g. distributed, multimedia, or image

Abstract

The present invention relates to a system and method for data collection, evaluation, information generation and/or presentation. More,particularly the present invention relates to a system for collecting, evaluating, generating, and presenting data and/or information relating to electronic commerce. The system and methods of the present invention include a module for stabilizing small or noisy samples of data, including the prediction of missing observations.

Claims

1. A system for stabilizing data comprising:

one or more databases containing data for processing;

a plurality of processing modules in communication with each other and/or the one or more databases, each processing module performing a predefined operation on data retrieved from a database or received from a processing module, at least one processing module being a data stabilizer processing module, the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method;

one or more databases in communication with a processing module that outputs data that has passed through the data stabilizer processing module, the one or more databases storing the stabilized data received from the processing module; and

a presentation server in communication with a database with the stabilized data for presenting selected items of the data.

2. The system of claim 1 wherein the presentation server is accessible to a plurality of remote computer systems via a network.

3. The system of claim 2 wherein the presentation server is accessible by a merchant and a consumer computer system.

4. The system of claim 1 wherein the system further comprises a data capture server capable of receiving data from one or more data sources over the Internet, the data capture server providing data to the one or more databases in communication with a data stabilizer processing module.

5. The system of claim 4 wherein the stabilized data on the presentation server is accessible by a plurality of remote computer systems via the Internet.

6. The system of claim 5 wherein the remote computer systems include a plurality of merchant computer systems.

7. The system of claim 5 wherein the remote computer systems include consumer computer systems.

8. The system of claim 4 further comprising a survey server that serves a survey questionnaire to a data source comprising remote computer systems so that a user of a remote computer system can complete the survey questionnaire, a completed survey questionnaire containing data being returnable to the data capture server over the Internet.

9. The system of claim 8 wherein the remote computer systems comprise a plurality of consumer computer systems and the completed survey questionnaire includes data relating to an online transaction between a consumer and a merchant.

10. The system of claim 4 wherein the presentation server is accessible to a plurality of remote computer systems via a network, wherein the presentation server serves remote computer systems stabilized data comprising data stabilizers relating to online transactions between consumers and merchants, the ratings being based on data collected in the data capture server from data sources comprising a plurality of consumer computer systems.

11. The system of claim 1 wherein data input to the data stabilizer processing module is processed using an adaptation of an Extended Kalman Filter.

12. The system of claim 11 wherein the data stabilizer processing module uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data.

13. The system of claim 12 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

14. The system of claim 12 wherein the Extended Kalman Filter is adapted for stabilizing data collected from consumer survey questionnaires relating to online transactions between consumers and merchants.

15. The system of claim 14 wherein the Extended Kalman Filter processes data via the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data, and the data deriving from ratings of online merchants, information derived from the processed data being passed to a presentation server, the information being accessible to one or more remote computer systems of consumers in communication with the presentation server.

16. The system of claim 14 wherein the data stabilizer module is in communication with another processing module that receives and processes data before the stabilized data is passed to the presentation server.

17. The system of claim 1 wherein the data stabilizer processing module is an adaptation of an Extended Kalman Filter.

18. A system for stabilizing data comprising:

a data capture server capable of communicating with one or more data sources over a computer network and receiving from the data source, data related to an ecommerce transaction;

one or more databases for receiving data from the data capture server;

a plurality of processing modules in communication with each other and/or the one or more databases, each processing module performing a predefined operation on data stored in a database or received from a processing module, one processing module comprising a data stabilizer processing module and one processing module comprising a statistical analysis processing module in communication with the data stabilizer processing module, the data stabilizer processing module being adapted to stabilize data relating to online transactions between merchants and consumers wherein the data stabilizer processing module uses an adaptation of an Extended Kalman Filter in the process of producing stabilized values;

one or more databases in communication with the one or more processing modules for storing stabilized data received from a selected processing module; and

a presentation server in communication with the one or more databases having stabilized data, the presentation server being capable of accessing the stabilized data and presenting selected items of data as data or information, the presentation server being accessible to remote computer systems via a network.

19. The system of claim 18 wherein the presentation server may be accessed by remote computers over a network comprising the Internet.

20. The system of claim 18 wherein the Extended Kalman Filter uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] in producing stabilized values.

21. The system of claim 20 wherein the one or more data sources include consumer computer systems, and the presentation server is in communication with one or more merchant computer systems to communicate stabilized data relating to online transactions between consumers and merchants, the stabilized data originating as raw data from consumer computer systems.

22. The system of claim 18 wherein each said network comprises the Internet.

23. A computer system having means for generating web pages containing e-commerce data or information that has been derived from a data stabilizer processing module, the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method.

24. The computer system of claim 23 herein the generated web pages are accessible to a plurality of remote consumer computer systems over a computer network.

25. The computer system of claim 24 wherein a web page includes evaluation information about merchant performance, the information being derived from data processed by the data stabilizer processing module.

26. The computer system of claim 24 wherein the web pages include ratings of merchants, the ratings being derived from data processed by the data stabilizer processing module.

27. The computer system of claim 23 wherein data input to the data stabilizer processing module is processed using an adaptation of an Extended Kalman Filter.

28. The computer system of claim 27 wherein the data stabilizer processing module uses the equation $\begin{array}{c}{\underset{\_}{\hat{x}}}_i=\end{array}$



x^_i-1+Ki

[A~i-Aiji-1]

 



with

 



x_^i=[c0,1,c1,i,c2,i]T

 



and

 

x_i+1= 



[ 



1Δ



 



tiΔ



 



ti2012

Δ



 



ti001

 

]

 



x_i

to stabilize values of data.

29. The computer system of claim 28 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>l−

1</sub>.

30. The computer system of claim 27 wherein the Extended Kalman Filter is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumers and merchants.

31. A computer system having means for generating web pages containing e-commerce data or information that has been derived from a data stabilizer processing module, the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method.

32. The computer system of claim 31 wherein the generated web pages are accessible to a plurality of remote consumer computer systems over a computer network.

33. The computer system of claim 31 wherein data input to the data stabilizer processing module is processed using an adaptation of an Extended Kalman Filter.

34. The computer system of claim 33 wherein the data stabilizer processing module uses the equation $\begin{array}{c}{\underset{\_}{\hat{x}}}_i=\end{array}$



x^_i-1+Ki

[A~i-Aiji-1]

 



with

 



x_^i=[c0,1,c1,i,c2,i]T

 



and

 

x_i+1= 



[ 



1Δ



 



tiΔ



 



ti2012

Δ



 



ti001

 

]

 



x_i

to stabilize values of data.

35. The computer system of claim 34 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

36. The computer system of claim 33 wherein the Extended Kalman Filter is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumers and merchants.

37. A method of stabilizing data values comprising:

transferring data relating to e-commerce to a data stabilizer processing module, the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method;

stabilizing the transferred data; and

presenting the data via a computer system to one or more remote computer systems.

38. The method of claim 37 further comprising making the stabilized data on the presentation server accessible to a plurality of remote computer systems via a network.

39. The method of claim 38 wherein the Internet comprises the network.

40. The method of claim 39 wherein the remote computer systems comprise consumer computer systems.

41. The method of claim 40 wherein the method further comprises capturing the data in a data capture server and then transferring captured data to the data stabilizer processing module.

42. The method of claim 38 wherein the remote computer systems include a plurality of merchant computer systems.

43. The method of claim 37 wherein the method further comprises capturing the data in a data capture server and then transferring captured data to the data stabilizer processing module.

44. The method of claim 43 wherein the data is captured from survey questionnaires.

45. The method of claim 44 wherein the survey questionnaires are completed by consumers and delivered to a data capture server over the Internet.

46. The method of claim 37 wherein the data includes a value comprising a mean value of an attribute on a survey questionnaire, the mean being determined based on a plurality of transactions between a consumer and merchant over a defined interval.

47. The method of claim 37 wherein the data stabilizer processing module. uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data.

48. The method of claim 47 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

49. The method of claim 37 wherein an Extended Kalman Filter adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between sellers and buyers is used in the processing module.

50. A method of serving stabilized data or information relating to e-commerce comprising providing a computer system with means for generating web pages containing data or information relating to ecommerce that has been derived from a data stabilizer processing module the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method, the generated web pages being accessible to a plurality of remote seller computer systems over a computer network.

51. The method of claim 50 wherein the network comprises the Internet.

52. The method of claim 50 wherein a web page includes evaluation information about a seller'"'"'s performance, the information being derived from data processed by the data stabilizer processing module.

53. The method of claim 52 wherein the data stabilizer is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumer-buyers and merchant-sellers.

54. The method of claim 53 wherein data input to the data stabilizer processing module is processed using an adaptation of an Extended Kalman Filter.

55. The method of claim 54 wherein the data stabilizer processing module uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data.

56. The method of claim 55 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

57. The method of claim 54 wherein the Extended Kalman Filter is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumers and merchants.

58. The method of claim 50 wherein data input to the data stabilizer processing Module is processed using an adaptation of an Extended Kalman Filter.

59. The method of claim 58 wherein the data stabilizer processing module uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize vialues of data.

60. The method of claim 59 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

70. The method of claim 57 wherein the data stabilizer processing module uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data.

71. The method of claim 70 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

61. A method of serving stabilized data or information relating to e-commerce comprising providing a computer system with means for generating web pages containing data or information relating to e-commerce that has been derived from a data stabilizer processing module the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method, the generated web pages being accessible to a plurality of remote buyer computer systems over a computer network.

62. The method of claim 61 wherein the network comprises the Internet.

63. The method of claim 61 wherein the web pages include ratings of seller'"'"'s, the ratings being derived from data processed by the data stabilizer processing module.

64. The method of claim 63 wherein the data stabilizer is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumer and merchants.

65. The method of claim 64 wherein data input to the data stabilizer processing modules is processed using an adaptation of an Extended Kalman Filter.

66. The method of claim 65 wherein the data stabilizer processing module uses the equation {circumflex over (x)}_i={circumflex over (x)}_i−

1+K_i[Ã

_i−

A<sub>i/i−

1</sub>] with {circumflex over (x)}_i=[c_o,i, c_1,i, c_2,i]^T and ${\underset{\_}{x}}_{i+1}=[\text{\hspace{1em}<br><br>}<br><br>\begin{array}{ccc}1& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i& \mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i^2\\ 0& 1& 2<br><br>\mathrm{\Delta <br><br>}<br><br>\text{\hspace{1em}<br><br>}<br><br>t_i\\ 0& 0& 1\end{array}<br><br>\text{\hspace{1em}<br><br>}]<br><br>\text{\hspace{1em}<br><br>}<br><br>{\underset{\_}{x}}_i$

to stabilize values of data.

67. The method of claim 65 wherein one or more observations are related to state by A_i/i−

1=[0 0 1]{circumflex over (x)}<sub>i−

1</sub>.

68. The method of claim 65 wherein the Extended Kalman Filter is adapted for stabilizing data collected from consumer survey questionnaires relating to an online transaction between consumers and merchants.

69. The method of claim 61 wherein data input to the data stabilizer processing module is processed using an adaptation of an Extended Kalman Filter.

72. A method of serving stabilized data or information relating to e-commerce comprising providing a computer system having means for generating web pages containing data or information relating to product ratings that has been derived from a data stabilizer processing module the data stabilizer smoothing noisy or variable data using a computational solution of a minimum variance Bayesian method, the web pages being accessible to a plurality of remote computer systems over the Internet.