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Machine Learning in Java by Boštjan Kaluža

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Working with text data

One of the main challenges in text mining is transforming unstructured written natural language into structured attribute-based instances. The process involves many steps as shown in the following image:

Working with text data

First, we extract some text from the Internet, existing documents, or databases. At the end of the first step, the text could still be presented in the XML format or some other proprietary format. The next step is to, therefore, extract the actual text only and segment it into parts of the document, for example, title, headline, abstract, body, and so on. The third step is involved with normalizing text encoding to ensure the ...

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