BOOKMARK USING DEVICE, BOOKMARK CREATION DEVICE, BOOKMARK SHARING SYSTEM, CONTROL METHOD AND RECORDING MEDIUM
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Abstract
A bookmark using device of the present invention includes: a feature information extracting section (64) for extracting a feature information indicative of a subject of a content from a bookmark including at least (i) a content retrieval address used in retrieving the content and (ii) the feature information; and an alternative content detecting section (65) for detecting, in accordance with the extracted feature information, an alternative content whose subject is similar to or corresponds to the subject of the content from one or a plurality of content sources for supplying a content usable by the bookmark using device. This enables detecting where to retrieve an alternative content which is accessible by the bookmark using device and which corresponds to a bookmarked content.
64 Citations
50 Claims
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1-24. -24. (canceled)
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25. A bookmark using device, comprising:
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feature information extracting means for extracting a feature information indicative of a subject of a content from a bookmark including at least (i) a content retrieval address used in retrieving the content and (ii) the feature information; and alternative content detecting means for detecting, in accordance with the feature information extracted by the feature information extracting means, an alternative content whose subject is similar to or corresponds to the subject of the content from one or a plurality of content sources for supplying a content usable by the bookmark using device. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 49)
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38. A bookmark creation device, comprising:
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content retrieval means for retrieving a content from a content source which supplies a content usable by the bookmark creation device; feature information generating means for generating, from the content retrieved by the content retrieval means, feature information indicative of a subject of the content; and bookmark generating means for generating a bookmark including at least (i) a content retrieval address used when the content retrieval means retrieves the content and (ii) the feature information generated by the feature information generating means. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 50)
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47. A method for controlling a bookmark using device which uses a bookmark including at least (i) a content retrieval address used in retrieving a content and (ii) feature information indicative of a subject of the content,
the method comprising the steps of: -
(a) extracting the feature information from the bookmark; and (b) detecting, in accordance with the feature information extracted in the step (a), an alternative content whose subject is similar to or corresponds to the subject of the content from one or a plurality of content sources for supplying a content usable by the bookmark using device.
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48. A method for controlling a bookmark creation device, comprising the steps of:
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(a) retrieving a content from a content source which supplies a content usable by the bookmark creation device; (b) generating, from the content retrieved in the step (a), feature information indicative of a subject of the content; and (c) generating a bookmark including at least (i) a content retrieval address used when the content is retrieved in the step (a) and (ii) the feature information generated in the step (b).
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Specification