Information inquiry support apparatus, information inquiry support method, information distribution apparatus, and information distribution method

• US 6,832,217 B1
• Filed: 05/16/2000
• Issued: 12/14/2004
• Est. Priority Date: 05/19/1999
• Status: Expired due to Fees

• Current Assignee: Matsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Matsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
• Inventors: Kindo, Toshiki, Yoshida, Hideyuki, Shida, Takehiko
• Primary Examiner(s): Breene, John
• Assistant Examiner(s): Lu, Kuen S.
• Application Number:
  US09/571,175
• Time in Patent Office: 1,673 Days
• Field of Search: 707/3, 707/5, 707/7, 707/1, 707/10, 707/6
• US Class Current: 1/1
• CPC Class Codes: G06F 16/9535 Search customisation based on user profiles and personalisation
• CPC Class Codes: Y10S 707/99931 Database or file accessing
• CPC Class Codes: Y10S 707/99933 Query processing, i.e. searching
• CPC Class Codes: Y10S 707/99935 Query augmenting and refining, e.g. inexact access
• CPC Class Codes: Y10S 707/99936 Pattern matching access
• CPC Class Codes: Y10S 707/99937 Sorting

Abstract

An information inquiry support apparatus including means for creating a profile, that is, an evaluation table about each one of plural key words expressing the information content, relating to the user'"'"'s concern, on the basis of the evaluation about plural pieces of information by the user evaluating presence or absence of concern about presented plural pieces of information, means for entering the specific information for inquiry, information evaluation means for calculating the need signal quantitatively expressing the degree of concern about the specific information for each user by using the profile, and means for quantitatively evaluating the fitness for inquiry, by the magnitude of the value of the need signal, and issuing each name of the plural individual and/or group users.

Claims

1. An information inquiry support apparatus for searching at least one of individual and group users suited for inquiry about specific information, among a plurality of individual and group users using a database system or information communication network, comprising:

a profile of at least one of individual and group users, which is an evaluation table about each one of plural words expressing the information contents, on the basis of evaluation of the degree of concern of the individual and/or group users about the information content,

means for creating a need signal expressing quantitatively the degree of concern about the specific information in every individual and group user by using said profile,

a plurality of adaptive type group information filter units for generating probe response signals comprised of said need signal and a unit recognition signal which recognizes each name of the plurality of individual and group users, and

a probe signal monitor unit for presenting said specific information to said adaptive type group information filter units, receiving said probe response signals and outputting said unit recognition signals on the basis of the magnitude of the need signal.

2. The information inquiry support apparatus of claim 1, wherein said apparatus presents a plurality of information to users, and creates a profile of at least one of the individual and group users, on the basis of the evaluation of presence or absence of concern (or necessity) of users about each information.

3. The information inquiry support apparatus of claim 2, wherein said apparatus includes at least metric signal generating means for generating an affirmative metric signal on the basis of the information the user has concern in (or necessity) (hereinafter called necessary information), and a negative metric signal on the basis of the information the user has no concern in (or necessity) (hereinafter called unnecessary information), and a profile of at least one of the individual and group users composed of said affirmative metric signal and negative metric signal is created.

4. The information inquiry support apparatus of claim 3, further comprising dictionary memory means for storing a dictionary including plural key words, vector generating means for converting the plural key words attached to the information into a vector signal by using said dictionary, cost calculating means for calculating the affirmative score signal and negative score signal by using said affirmative metric signal and vector signal, and said negative metric signal and vector signal, and need calculating means calculating the difference between said affirmative score signal and negative score signal as said need signal.

5. The information inquiry support apparatus of claim 3, wherein said the need calculating means generates the need signal by weighting the difference between said affirmative score signal and negative score signal, so that the necessary information and unnecessary information may be more clearly distinguished.

6. The information inquiry support apparatus of claim 3, wherein said metric signal generating means generates an affirmative metric signal which is a matrix having elements (i, j) calculated from the number of i-th and j-th key word signals of the dictionary simultaneously contained in the necessary information, and a negative metric signal which is a matrix having elements (i, j) calculated from the number of i-th and j-th key word signals of the dictionary simultaneously contained in the unnecessary information.

7. The information inquiry support apparatus of claim 6, wherein said metric signal generating means generates an affirmative metric signal which is a matrix of elements (i, j) for quantitatively evaluating the probability of necessity of the information containing the i-th and j-th key words of the dictionary simultaneously, as compared with the probability of necessity of information, and a negative metric signal which is a matrix of elements (i, j) for quantitatively evaluating the probability of no need of the information containing the i-th and j-th key words of the dictionary simultaneously, as compared with the probability of no need of information.

8. The information inquiry support apparatus of claim 7, wherein said metric signal generating means generates said affirmative metric signal and negative metric signal which are matrices having elements (i, j) calculated from the number of pieces of necessary information and number of pieces of unnecessary information in a plurality of information, the number of pieces of information simultaneously containing i-th and j-th key word signals in the dictionary being necessary, and the number of pieces of information simultaneously containing i-th and j-th key word signals in the dictionary being unnecessary.

9. The information inquiry support apparatus of claim 3, wherein said metric signal generating means generates an affirmative metric signal which is a vector having an i-th element calculated from the number containing the i-th key word signal of the dictionary in the necessary information, and a negative metric signal which is a vector having an i-th element calculated from the number containing the i-th key word signal of the dictionary in the unnecessary information.

10. The information inquiry support apparatus of claim 9, wherein said metric signal generating means generates an affirmative metric signal which is a vector having an i-th element for quantitatively evaluating the probability of necessity of the information containing the i-th key word of the dictionary, as compared with the probability of necessity of information, and a negative metric signal which is a vector having an i-th element for quantitatively evaluating the probability of no need of the information containing the i-th key word of the dictionary, as compared with the probability of no need of information.

11. The information inquiry support apparatus of claim 10, wherein said metric signal generating means generates said affirmative metric signal and negative metric signal which are vectors having an i-th element calculated respectively from the number of pieces of necessary information and number of pieces of unnecessary information, the number of necessity of information containing the i-th key word of the dictionary, and the number of no need of information containing the i-th key word of the dictionary.

12. The information inquiry support apparatus of claim 4, wherein said dictionary memory means stores a dictionary containing plural key words and key word retrieval formula.

13. The information inquiry support apparatus of claim 4, wherein said apparatus includes key word cost signal generating means for generating a key word cost signal showing the validity of each key word on the basis of said profile, and dictionary learning means for changing the dictionary stored in said dictionary memory means on the basis of said key word cost signal.

14. The information inquiry support apparatus of claim 13, wherein said key word cost signal generating means generates the key word cost signal for quantitatively evaluating the probability of necessity and probability of no need of the information containing the key word signal, as compared with the probability of necessity and probability of no need of information.

15. The information inquiry support apparatus of claim 14, wherein said key word cost signal generating means generates a key word cost signal for each key word signal, from the number of pieces of necessary information and number of pieces of unnecessary information, and the number of necessity of information containing the key word signal and the number of no need of information containing the key word signal.

16. The information inquiry support apparatus of claim 13, wherein said dictionary learning means changes the dictionary by discarding the key words of low validity in the dictionary on the basis of the key word cost signal.

17. The information inquiry support apparatus of claim 13, wherein said apparatus includes a count memory unit for storing all affirmative number showing the number of pieces of necessary information and all negative number showing the number of pieces of unnecessary information, concerning a plurality of information, an adaptive dictionary memory unit for storing the correspondence table of the character string comprising key words and numerals to be converted, the affirmative number showing the number of pieces of necessary information provided with key words, and the negative number showing the number of pieces of unnecessary information provided with key words, and a dictionary learning unit for updating the all affirmative number, all negative number, correspondence table, affirmative number and negative number when the profile and the key word cost signal are updated, and further one or plural pieces of new information are presented to the user, and on the basis of the user'"'"'s evaluation of need or no need of each information and the key words attached to each information, the profile and key word cost signal are updated, so that the dictionary learning unit updates the all affirmative number, all negative number, correspondence table, affirmative number, and negative number.

18. The information inquiry support apparatus of claim 4, wherein said dictionary memory means stores the dictionary including the classification codes as key words.

19. The information inquiry support apparatus of claim 7, wherein said metric signal generating means generates the affirmative metric signal and negative metric signal, by setting the probability of necessity of information at other value than 0 and 1, when the user'"'"'s evaluation about the information is only Necessary.

20. The information inquiry support apparatus of claim 7, wherein said metric signal generating means generates the affirmative metric signal and negative metric signal, by setting the probability of no need of information at other value than 0 and 1, when the user'"'"'s evaluation about the information is only Unnecessary.

21. An information inquiry support method for searching at least one of individual and group users suited for inquiry about specific information, among a plurality of individual and group users using a database system or information communication network, comprising steps of:

creating a profile of at least one of individual and group users relating to the degree of concern of the individual and group users about the information content,

calculating a need signal expressing quantitatively the degree of concern about the specific information in every individual and group user by using said profile, and

generating probe response signals comprised of said need signal and a unit recognition signal which recognizes each name of the plurality of individual and group users, said probe response signals being generated by a plurality of adaptive type group information filter units, and

presenting said specific information to said adaptive type group information filter units, and outputting said unit recognition signals on the basis of the magnitude of the need signal.

22. The information inquiry support method of claim 21, wherein the method of expressing the concern of the at least one of the individual and group users at the step of creating the profile is a method of evaluating the presence or absence of concern of users about plural presented pieces of information.

23. The information inquiry support method of claim 22, wherein said profile includes at least an affirmative metric signal generated from the information the user has concern in (necessary information), and a negative metric signal generated from the information the user has no concern in (unnecessary information).

24. The information inquiry support method of claim 23, wherein at the step of calculating the need signal, the plural key words attached to the specific information are converted into a vector signal by using a dictionary storing plural key words preliminarily, the affirmative score signal and negative score signal are calculated by using the affirmative metric signal and vector signal, and the negative metric signal and vector signal, and the difference between the affirmative score signal and negative score signal is calculated as the need signal.

25. The information inquiry support method of claim 23, wherein at the step of calculating the need signal, the need signal is calculated by weighting the difference between the affirmative score signal and negative score signal, so that the necessary information and unnecessary information may be more clearly distinguished.

26. The information inquiry support method of claim 24, wherein the affirmative metric signal and negative metric signal are respectively an affirmative metric signal which is a matrix having elements (i, j) calculated from the number of i-th and j-th key word signals of the dictionary simultaneously contained in the necessary information, and a negative metric signal which is a matrix having elements (i, j) calculated from the number of i-th and j-th key word signals of the dictionary simultaneously contained in the unnecessary information.

27. The information inquiry support method of claim 24, wherein the affirmative metric signal and negative metric signal are respectively an affirmative metric signal which is a matrix of elements (i, j) for quantitatively evaluating the probability of necessity of the information containing the i-th and j-th key words of the dictionary simultaneously, as compared with the probability of necessity of information, and a negative metric signal which is a matrix of elements (i, j) for quantitatively evaluating the probability of no need of the information containing the i-th and j-th key words of the dictionary simultaneously, as compared with the probability of no need of information.

28. The information inquiry support method of claim 27, wherein the affirmative metric signal and negative metric signal are respectively matrices having elements (i, j) calculated from the number of pieces of necessary information and number of pieces of unnecessary information in a plurality of information, the number of pieces of information simultaneously containing i-th and j-th key word signals in the dictionary being necessary, and the number of pieces of information simultaneously containing i-th and j-th key word signals in the dictionary being unnecessary.

29. The information inquiry support method of claim 24, wherein the affirmative metric signal and negative metric signal are respectively an affirmative metric signal which is a vector having an i-th element calculated from the number containing the i-th key word signal of the dictionary in the necessary information, and a negative metric signal which is a vector having an i-th element calculated from the number containing the i-th key word signal of the dictionary in the unnecessary information.

30. The information inquiry support method of claim 24, wherein the affirmative metric signal and negative metric signal are respectively an affirmative metric signal which is a vector having an i-th element for quantitatively evaluating the probability of necessity of the information containing the i-th key word of the dictionary, as compared with the probability of necessity of information, and a negative metric signal which is a vector having an i-th element for quantitatively evaluating the probability of no need of the information containing the i-th key word of the dictionary, as compared with the probability of no need of information.

31. The information inquiry support method of claim 30, wherein the affirmative metric signal and negative metric signal are respectively vectors having an i-th element calculated respectively from the number of pieces of necessary information and number of pieces of unnecessary information, the number of necessity of information containing the i-th key word of the dictionary, and the number of no need of information containing the i-th key word of the dictionary.

32. The information inquiry support method of claim 24, wherein said dictionary contains key word retrieval formula.

33. The information inquiry support method of claim 24, wherein a key word cost signal showing the validity of each key word is generated on the basis of said profile, and the dictionary is changed on the basis of said key word cost signal.

34. The information inquiry support method of claim 33, wherein the key word cost signal is a signal for quantitatively evaluating the probability of necessity and probability of no need of the information containing the key word signal, as compared with the probability of necessity and probability of no need of information.

35. The information inquiry support method of claim 34, wherein the key word signal is calculated for each key word signal, from the number of pieces of necessary information and number of pieces of unnecessary information, and the number of necessity of information containing the key word signal and the number of no need of information containing the key word signal.

36. The information inquiry support method of claim 33, wherein the key words of low validity in the dictionary are discarded on the basis of the key word cost signal.

37. The information inquiry support method of claim 23, wherein one or plural pieces of new information are presented to the user, and on the basis of the user'"'"'s evaluation of need or no need of each information and the key words attached to each information, the profile and key word cost signal are updated, and further on the basis of the updated profile and key word cost signal, the all affirmative number showing the number of pieces of necessary information, all negative number showing the number of pieces of unnecessary information, correspondence table for converting the character string showing key words into numerals, affirmative number showing the number of pieces of necessary information provided with key words, and negative number showing the number of pieces of unnecessary information provided with key words are also updated.

38. The information inquiry support method of claim 24, wherein said dictionary includes the classification codes as key words.

39. The information inquiry support method of claim 27, wherein the affirmative metric signal and negative metric signal are generated by setting the probability of necessity of information at other value than 0 and 1, when the user'"'"'s evaluation about the information is only Necessary.

40. The information inquiry support method of claim 27, wherein the affirmative metric signal and negative metric signal are generated by setting the probability of no need of information at other value than 0 and 1, when the user'"'"'s evaluation about the information is only Unnecessary.

41. An information distribution apparatus for transmitting specific information to specific users, comprising:

an information inquiry support apparatus as set forth in claim 21, and

a destination limited article transmitter for determining the transmission destinations by using names of at least one of plural individual and group users issued from the output means of said information inquiry support apparatus.

42. The information distribution apparatus of claim 41, wherein the destination limited article transmitter determines the transmission destinations to a specified number of users in a specified sequence of the corresponding need signal among the at least one of plural individual and group users.

43. The information distribution apparatus of claim 41, wherein the destination limited article transmitter determines the transmission destinations to the names of at least one of plural individual and group users having the need signal of a certain value or more.

44. An information distribution method for transmitting specific information to specific users, wherein transmission destinations are determined by using names of at least one of plural individual and group users suited to inquiry of the specific information, issued from an information inquiry support method as set forth in claim 21.

45. The information distribution method of claim 44, wherein the transmission destinations are a specified number of users in a specified sequence of the corresponding need signal among the at least one of plural individual and group users.

46. The information distribution method of claim 44, wherein the transmission destinations are the names of the at least one of plural individual and/or group users having the need signal of a certain value or more.