What are some of the retrieval approaches commonly used?
The most commonly used retrieval methods used are
a)Boolean approaches
It is again subdivided into three types
i) Standard Boolean Approach
ii) Smart Boolean Approach
iii) Extended Boolean Approach
b)Statistical Approach.
It is again subdivided into three types.
i) Vector space model
ii) Probabilistic model
iii) Latent semantic indexing.
c)Linguistic and knowledge based Approach.