Chapter 8. Information Retrieval – Accessing Information
Information retrieval is one of the many applications of natural language processing. Information retrieval may be defined as the process of retrieving information (for example, the number of times the word Ganga has appeared in the document) corresponding to a query that has been made by the user.
This chapter will include the following topics:
- Introducing information retrieval
- Stop word removal
- Information retrieval using a vector space model
- Vector space scoring and query operator interactions
- Developing an IR system using latent semantic indexing
- Text summarization
- Question-answering system
Introducing information retrieval
Information retrieval may be defined as the process of retrieving the most suitable information as a response to the query being made by the user. In information retrieval, the search is performed based on metadata or context-based indexing. One example of information retrieval is Google Search in which...
