Chinese text classification method based on Base64 coding
A text classification and text technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of high dimensionality of feature space of data sets, low word segmentation accuracy, slow speed, etc., and achieve good classification results Effect
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[0043] The flow of the Chinese text classification method based on Base64 is shown in Figure 1, which mainly includes the following steps:
[0044] 1) Use Base64 to encode the Chinese text, and convert the Chinese text into a string text composed of English letters and numbers;
[0045] For webpage text in HTML format, it is necessary to extract useful text information in advance, that is, to remove format tags. Since the webpage markup contains a fixed label format, the text can be scanned to extract information such as the header, title, keywords, abstract, and text of the text, and at the same time remove useless scripts, comments, and form information. After completing the above operations, save the text as a file.
[0046] As a simple and effective encoding method, Base64 encoding is widely used in the encryption conversion of network data transmission. This encoding method uses "A-Z", "a-z", "0-9", "+", " / " 64 ASCII characters and a suffix character "=" to encode data,...
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