Portfolio Activity 4: Text Analysis: What is it good for?

Text analysis refers to extract information and facts from parsing texts, such as an article, an email, a note, a news, and etc. It is commonly used in various areas, including history, business, production, so on and so for. There are two mains steps in order to do text analysis. The first step is basically to get access to text. Then, the second step is to preprocess the text, which means deleting unnecessary information, such as advertisements, annotations, and navigation bar. Therefore, the true and useful information will be extracted.

In this big data era, the scale and complexity of data has increased drastically. It is no doubt that text analysis plays an important role in this society.

As a historian, there are many benefits by doing text analysis. First of all, text analysis helps classifying the text by different features, such as keyword, years published, and authors. On the contrary, text analysis can also classify text into same categories if those text has same features. Information retrieval is another benefit, it allows historians to search for certain information they need among countless documents in computer systems. As a result, when historians are trying to find certain text, it saves a lot of time for them because they don’t have to spend a lot of time reading unrelated text.

Carefully perceiving and experiencing the world of text analysis allows the text itself to enter the text. Text analysis, is a way to rediscover the writer’s feelings and thoughts from the text. It helps historians understand the original content of the text and the author’s thoughts and emotions. The purpose of all text analysis is to overcome the past culture of the text, the strangeness and distance between the history and the historians, and to assimilate the meaning of the text; the historians ignores the limited understanding when interpreting the text. Text analysis also allows historians to construct the individual spiritual world in cultural identity, enriches the individual spiritual world in cultural criticism, and enhances the cultural literacy construction level in aesthetics.

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