The process of extracting new information from existing information through the use of computer system is called Text Mining. Text mining retrieves data of available information and establishes the connection between the facts mentioned in that data. This is how, new information is developed. Since it is newly formed information, its validation is conducted through experimentation. The process of web search is often confused with that of text mining, though these are two entirely different processes. In web search, the computers match the keywords in the database and bring the relevant records. The information is written down by somebody and then uploaded on the internet to make it searchable. On the other hand, in text mining, altogether new information is generated out of existing body of knowledge (Berry, 2004).

Text mining finds its roots in data mining. Data mining refers to the process in which the computer system retrieves...
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