Facilitation of hypervideo by automatic IR techniques utilizing text extracted from multimedia document in response to user requests
First Claim
1. A method for finding documents which relate to a portion of a temporal document, comprising:
- (a) in response to a signal of interest at a particular time during the temporal document, identifying a portion of the temporal document for which related documents are to be found;
(b) selecting text associated with the portion of the temporal document identified;
(c) finding the related documents by use of information retrieval techniques as applied to the selected text, wherein the related documents are selected from a collection of documents according to scores associated with the documents, said scores based on a ratio between the number of documents in the collection and, for a term in the selected text, the number of documents in the collection containing the term.
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Abstract
Disclosed is a method and device for selecting documents, such as Web pages or sites, for presentation to a user, in response to a user expression of interest, during the course of presentation to the user of a document, such as a video or audio selection, whose content varies with time. The method takes advantage of information retrieval techniques to select documents related to the portion of the temporal document in which the user has expressed interest. The method generates the search query to use to select documents by reference to text associated with the portion of the temporal document in which the user has expressed interest, as by using the closed caption test associated with the video, or by using speech recognition techniques.
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Citations
26 Claims
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1. A method for finding documents which relate to a portion of a temporal document, comprising:
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(a) in response to a signal of interest at a particular time during the temporal document, identifying a portion of the temporal document for which related documents are to be found;
(b) selecting text associated with the portion of the temporal document identified;
(c) finding the related documents by use of information retrieval techniques as applied to the selected text, wherein the related documents are selected from a collection of documents according to scores associated with the documents, said scores based on a ratio between the number of documents in the collection and, for a term in the selected text, the number of documents in the collection containing the term. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device for finding documents which relate to a portion of a temporal document, comprising:
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(a) means for identifying a portion of the temporal document for which related documents are to be found, in response to a signal of interest at a particular time during the temporal document;
(b) means for selecting text associated with the portion of the temporal document identified;
(c) means for finding the related documents by use of information retrieval techniques as applied to the selected text, wherein the related documents are selected from a collection of documents according to scores associated with the documents, said scores based on a ratio between the number of documents in the collection and, for a term in the selected text, the number of documents in the collection containing the term. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification