Subjective information record for linking subjective information about a multimedia content with the content

• US 20010047357A1
• Filed: 03/01/2001
• Published: 11/29/2001
• Est. Priority Date: 03/14/2000
• Status: Active Grant

• Current Assignee: Koninklijke Philips N.V.
• Original Assignee: Philips Electronics North America Corporation (Koninklijke Philips N.V.)
• Inventors: Vaithilingam, Gandhimathi, Abdel-Mottaleb, Mohamed
• Granted Patent: US 8,539,002 B2
• Time in Patent Office: Days
• US Class Current: 707/100
• CPC Class Codes: G06F 16/93 Document management systems

Abstract

A subjective information record for inputting data that enables subjective information about a multimedia content to be represented with well defined syntax and semantics and linked to the multimedia content. The record includes a field for inputting data that identifies a multimedia content and a location of the multimedia content; a field for inputting data that identifies an author of subjective information about the multimedia content; a field for a language of the subjective information; and a field for subjective information about the content.

Claims

1. A subjective information record for inputting data that enables subjective information about a multimedia content to be represented with well defined syntax and semantics and linked to the multimedia content, the record comprising:

a field for inputting data that identifies a multimedia content and a location of the multimedia content;

a field for inputting data that identifies an author of subjective information about the multimedia content; and

a field for subjective information about the content;

wherein the identifier in the field for inputting data that identifies a multimedia content and a location of the multimedia content enables the multimedia retrieval system to link the subjective information to the multimedia content.

2. The record according to

claim 1

, wherein the record is useful in a multimedia retrieval device that automatically selects or filters multimedia content according to user preferences.

3. The record according to

claim 1

, further comprising a field for a language of the subjective information.

4. The record according to

claim 3

, wherein the field for a language of the subjective information includes a dictionary identification subfield for a name of a classification scheme listing all languages;

a language identification subfield for an identifier of the language used to author the subjective information; and

a location identification subfield for the location of the classification scheme.

5. The record according to

claim 1

, wherein the field for inputting data that identifies a multimedia content and a location of the multimedia content includes an identification subfield for the identification of the instantiation of the subjective information and a content identifier subfield for the identification and location of the content.

6. The record according to

claim 1

, wherein the field for inputting data that identifies an author of subjective information about the multimedia content includes an organization identification subfield for the name of the author'"'"'s organization;

a contact person subfield for a description of the contact person for the organization; and

a person subfield for a description of at least one person who rated the content.

7. The record according to

claim 6

, wherein the field for inputting data that identifies an author of subjective information about the multimedia content further includes a subfield for a location of additional information about the author and a subfield for the type of content that the author is proficient in rating.

8. The record according to

claim 1

, wherein the field for subjective information about the content includes a dictionary identification subfield for a name of a rating scheme;

a rating identification subfield for an identifier of the rating which uniquely identifies rating of content within a rating scheme;

a location identification subfield for the location of the rating scheme; and

a comments subfield for the subjective information in unconstrained free text.

9. The record according to

claim 1

, wherein the subjective information record is useable as an MPEG-7 description scheme.

10. The record according to

claim 1

, wherein the subjective information record is useable as a TV-Anytime metadata structure.

11. A method for linking subjective information about multimedia content to the content so that the content can be automatically selected or filtered by a user, the method comprising the steps of:

providing a subjective information record having a field for inputting data which identifies a multimedia content and its location and a field which identifies an author of subjective information about the multimedia content; and

linking subjective information generated by the author to the content using the subjective information record.

12. A multimedia content retrieval and filtering apparatus comprising:

a multimedia filter;

an electronic program guide for inputting feature data describing each multimedia program into the filter;

a user profile for inputting user profile and viewing history data into the filter; and

a subjective information record for inputting data into the filter that enables subjective information about a multimedia content to be represented with well defined syntax and semantics and linked to the multimedia content.

13. The apparatus according to

claim 12

, wherein the subjective information record includes:

a field for inputting data that identifies a multimedia content and a location of the multimedia content;

a field for inputting data that identifies an author of subjective information about the multimedia content; and

a field for subjective information about the content;

wherein the identifier in the field for inputting data that identifies a multimedia content and a location of the multimedia content enables the multimedia retrieval system to link the subjective information to the multimedia content.

14. The apparatus according to

claim 12

, wherein the subjective information record comprises an MPEG-7 description scheme.

15. The apparatus according to

claim 12

, wherein the subjective information record comprises a TV-Anytime metadata structure.