Information retrieval process
comparison of 1&2 model
1.In 1st model we see the population of documents and then selected documents, but
in 2nd model we see only text objects means selected documents only.
2.1st model have a sysem vocabulary but it is not in 2nd model.
3.Users can expres is need through the request in 1st model. But in 2nd model user can
expres is information need through the query .
4.2nd model compared the users query and exist information. but it is not present in 1st
model .
5. when the retrieving information can't relevant to the users information need then it will be
feedback and altered the query or change the information need in 2nd model ,but in 1st
model not is.
6.users can be retrieval the information through the index or location of the information[when they are know about that location] in 1st model. but it is not in 2nd model.
