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What are the main methods of text mining?
In recent years, text mining (TM) has attracted extensive attention due to the amazing amount of text data in various forms (such as social networks, medical records, medical insurance data, news releases, etc.). ). IDC predicted in a report that by 2020, the amount of data will increase to 40 billion TB (4 * (10 22) bytes), that is, it will increase 50 times from 20 10 [50].
Text data is typical unstructured information, and it is one of the simplest data forms that can be generated in most cases. Humans can easily process and perceive unstructured texts, but machines are obviously difficult to understand. Needless to say, these texts must be a valuable source of information and knowledge. Therefore, it is urgent to design a method that can effectively deal with unstructured text in various applications. At present, the main text mining methods are:
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