Information processing apparatus and method, and program

1. An information processing system, comprising:

a server programmed to generate a characteristic word file containing a plurality of characteristic words extracted from each of a plurality of television program information which includes information concerning respective television programs, each of the plurality of characteristic words being included in the plurality of television program information, and each of the plurality of characteristic words being extracted by analyzing contents of each of the plurality of television program information, wherein each of the plurality of television program information includes a title, a separate television program description, and a genre, and each characteristic word is extracted by analyzing each of the title, the entire television program description, and the genre of the respective television program information; and

an information processing apparatus including:

an interface programmed to receive the characteristic word file containing the plurality of characteristic words extracted from each of the plurality of television program information;

a display section configured to display the plurality of characteristic words and to change a color of a displayed one of the plurality of characteristic words relative to a color of an other displayed one of the plurality of characteristic words; and

a communication section that allows a user to select the displayed one of the plurality of characteristic words, wherein

the interface is further programmed to transmit information about the displayed one of the plurality of characteristic words selected by the user to the server upon the selection, and is configured to receive television program information about one of the television programs from the server in response to the transmitted information about the displayed one of the plurality of characteristic words selected by the user.

2. The information processing system according to claim 1 , wherein the interface receives the characteristic word file containing the plurality of characteristic words from the server.

3. The information processing system according to claim 1 , wherein the display section is further configured to display only the plurality of characteristic words, when a search mode is enabled.

4. The information processing system according to claim 1 , wherein the display section is further configured to display the displayed one of the plurality of characteristic words in an inverted color relative to the other displayed one of the plurality of characteristic words.

5. The information processing system according to claim 1 , wherein the display section is further configured to display the displayed one of the plurality of characteristic words in an upper part of the display section relative to the other displayed one of the plurality of the characteristic words.

6. An information processing method implemented by an information processing system including a server and a display apparatus, comprising:

generating, at the server, a characteristic word file containing a plurality of characteristic words extracted from each of a plurality of television program information which includes information concerning respective television programs, each of the plurality of characteristic words being included in the plurality of television program information, and each of the plurality of characteristic words being extracted by analyzing contents of each of the plurality of television program information, wherein each of the plurality of television program information includes a title, a separate television program description, and a genre, and each characteristic word is extracted by analyzing each of the title, the entire television program description, and the genre of the respective television program information;

controlling, at the display apparatus, a reception of the characteristic word file containing the plurality of characteristic words extracted from each of the plurality of television program information;

displaying, with the display apparatus, the plurality of characteristic words and changing a color of a displayed one of the plurality of characteristic words relative to a color of an other displayed one of the plurality of characteristic words;

allowing a user to select one of the plurality of characteristic words displayed;

controlling a transmission of information about the displayed one of the plurality of characteristic words selected by the user to the server upon the selection; and

controlling a reception of television program information about one of the television programs from the server in response to the transmission of the information about the displayed one of the plurality of characteristic words selected by the user.

7. The information processing method according to claim 6 , wherein, in the controlling the reception of the characteristic word file containing the plurality of characteristic words, the information about the plurality of characteristic words is received from the server.

8. The information processing method according to claim 6 , further comprising:

displaying, with the display apparatus, only the plurality of characteristic words, when a search mode is enabled.

9. The information processing method according to claim 6 , wherein, in the changing, the display apparatus displays the displayed one of the plurality of characteristic words in an inverted color relative to the other displayed one of the plurality of characteristic words.

10. The information processing method according to claim 6 , further comprising:

displaying the displayed one of the plurality of characteristic words in an upper part of the display apparatus relative to the other displayed one of the plurality of characteristic words.

11. A computer-readable, non-transitory storage media encoded with computer executable instructions, wherein the instructions, when executed by at least one processing unit, cause the at least one processing unit to perform a method comprising:

generating a characteristic word file containing a plurality of characteristic words extracted from each of a plurality of television program information which includes information concerning respective television programs, each of the plurality of characteristic words being included in the plurality of television program information, and each of the plurality of characteristic words being extracted by analyzing contents of each of the plurality of television program information, wherein each of the plurality of television program information includes a title, a separate television program description, and a genre, and each characteristic word is extracted by analyzing each of the title, the entire television program description, and the genre of the respective television program information;

controlling a reception of the characteristic word file containing the plurality of characteristic words extracted from each of the plurality of television program information;

controlling a display section to display the plurality of characteristic words and changing a color of a displayed one of the plurality of characteristic words relative to a color of an other displayed one of the plurality of characteristic words;

allowing a user to select one of the plurality of characteristic words displayed;

controlling a transmission of information about the displayed one of the plurality of characteristic words selected by the user upon the selection; and

controlling a reception of television program information about one of the television programs in response to the transmission of the information about the displayed one of the plurality of characteristic words selected by the user.

12. The computer-readable, non-transitory storage media according to claim 11 , wherein the instructions cause the at least one processing unit to control the display section to display only the plurality of characteristic words, when a search mode is enabled.

13. The computer-readable, non-transitory storage media according to claim 11 , wherein the instructions cause the at least one processing unit to control the display section to display the displayed one of the plurality of characteristic words in an inverted color relative to the other displayed one of the plurality of characteristic words.

14. The computer-readable, non-transitory storage media according to claim 11 , wherein the instructions cause the at least one processing unit to control the display section to display the displayed one of the plurality of characteristic words in an upper part of the display section relative to the other displayed one of the plurality of characteristic words.

15. The information processing method according to claim 6 , wherein the characteristic word file is created by analyzing the plurality of television program information which further includes a plurality of television program IDs which each identify a respective television program information, wherein each said characteristic word is a word that represents a characteristic of one of the respective television programs.

16. The information processing method according to claim 15 , wherein the server creates an association file containing the plurality of determined characteristic words and associates each of the plurality of determined characteristic words with a respective television program ID of the television program information corresponding to said characteristic word, receives the information about the displayed one of the plurality of characteristic words selected by the user from the interface, identifies a respective television program ID associated with the received information about the displayed one of the plurality of characteristic words selected by the user by comparing the received information about the displayed one of the plurality of characteristic words with the plurality of determined characteristic words contained in the association file, and transmits television program information concerning a respective television program corresponding to said identified respective television program ID.

17. The information processing apparatus according to claim 1 , wherein the plurality of characteristic words are extracted by further analyzing sentences in the television program information, excluding certain types of words, dividing the remaining sentences into words, and extracting the characteristic words from the divided words based on a predetermined scheme.