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Which search mode uses natural language search as a subroutine?

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Which search mode uses natural language search as a subroutine?

(a) Natural language

(b) Boolean mode

(c) Query expansion

(d) Cross mode

I have been asked this question in my homework.

I'm obligated to ask this question of Using Full Text Searches in section Using SQL to Manage Data of MySQL

1 Answer

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Best answer
The correct choice is (c) Query expansion

The explanation is: The query expansion search occurs in two phases. The natural language search is applied in the first phase. Query expansion search is one of the three modes of fulltext searching.

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