What is Information Extraction?

 Posted by Niladri.Biswas on 5/6/2013 | Category: Others Interview questions | Views: 2341 | Points: 40

Information extraction identifies the key phrases and relationships within the textual data. This is done by a process called pattern matching which looks for predefined sequences in the text.
Information extraction infers the relationships between all the identified people, places and time from the text to extract the meaningful information. For handling huge volumes of textual data Information extraction can be very useful. The meaningful
information is collected and stores in the data repositories for Knowledge discovery, mining and analysis

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