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A tag cloud generation method and device
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A tag cloud and tag technology, applied in the tag cloud field, can solve problems such as inaccurate key content
Active Publication Date: 2018-01-05
TAGUAGE INFORMATION TECH SHANGHAI
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[0004] In view of this, the present application provides a tag cloud generation method and device to avoid that when the tag cloud generated by the prior art is used as an index of the key content of the article collection, the semantic range indicated by each tag element is too broad and reflects the content of the article collection. Inaccurate key content
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Embodiment 1
[0042] figure 1 It is a flow chart of a tag cloud generation method provided in Embodiment 1 of the present application.
[0043] Such as figure 1 As shown, the method includes:
[0044] S101. Receive a tag cloud generation request, which carries text set information.
[0045] S102. For each tag in each article in the text set corresponding to the text set information, calculate the weight value of the tag in the article to which it belongs.
[0046] In the embodiment of the present application, preferably, the text set information corresponds to a text set containing at least one article, and each article carries at least one tag, and the source of the tag can be user-defined when the article is generated (such as : When saving a certain article, set a label for it as "banana apple"), or it can be obtained through word segmentation (such as: the user-defined label "banana apple" is subjected to word segmentation to generate two tags "banana" and "apple" / When saving the ar...
Embodiment 2
[0083] figure 2 It is a schematic structural diagram of a tag cloud generating device provided in Embodiment 2 of the present application.
[0084] Such as figure 2 As shown, the device includes: a receiving unit 1, a computing unit 2, a first generating unit 3, a second generating unit 4 and a third generating unit 5 connected in sequence, wherein:
[0085] The receiving unit 1 is configured to receive a tag cloud generation request, which carries text set information.
[0086] The computing unit 2 is configured to, for each tag in each article in the text set corresponding to the text set information, calculate the weight value of the tag in the article to which it belongs.
[0087] The first generating unit 3 is configured to generate an article-label matrix by using each article corresponding to the text set information, the tags in each article, and the weight values of the tags.
[0088] The second generating unit 4 is configured to perform singular value decompos...
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Abstract
The invention provides a tag cloud generating method and device. The tag cloud generating method includes steps of generating requests by receiving tag clouds with article set information, calculating weights of the tags in their belonging articles to generate an article-tag matrix according to the various tags in each article in the article set corresponding to the article set information, subjecting the article-tag matrix to singular valuedecomposition and generating a first matrix indicating the weights of the feature vectors in the article set and a second matrix indicating the weight of the tags in the feature vectors; generating the tag clouds according to the first matrix, the second matrix and preset generation rules. In the tag cloud generating method, the article-tag matrix is subjected to singular valuedecomposition and the tag clouds are generated via the decomposed matrixes, so that the problems that when the tag clouds generated by the prior art are used as indexes of key contents of the article set, the semantic range indicated by each tag element covers too much and the key contents of the article set are inaccurate are solved.
Description
technical field [0001] The present application relates to the technical field of tag cloud, in particular to a tag cloud generation method and device. Background technique [0002] The tag cloud is usually generated by indexing some article collections, and then using the tags that appear frequently in the article collections. By visually displaying the tag cloud, users can intuitively understand the important information in the article collection, and the tag cloud can also be used as an index of the key content of the article collection. When the user clicks on any tag element in the tag cloud , the information related to the tag element can be immediately found from the article collection, which is convenient for users to look up information. [0003] However, because the traditional tag cloud is based on directly counting the frequency of each tag in the article collection, using each tag whose frequency meets the preset requirements as a tag element in the tag cloud, t...
Claims
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