Question

Difference between information retrieval system and data retrieval

Answer 1

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• information retrieval usually deals with natural language text which is not always well structured and could be semantically ambiguous.

• a data retrieval system (such as a relational database) deals with data that has a well defined structure and semantics.

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Answer 2

Answer:

In the information retrieval system, there is a set of words that convey the semantics of the information that is required whereas, in a data retrieval system, a query expression is used to convey the constraints which are satisfied by the objects