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On what basis does Stack Exchange bring out the "related questions" (while posting questions)? Most of the time they seem to be off-target with little or no semantic value to the question being asked. How can Stack Exchange improve upon this?

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2 Answers 2

up vote 2 down vote accepted

IRIC, it uses SQL Server's built-in full-text search with the words from your question title (minus some stop words) as the query.

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How can stackoverflow improve upon this?

It can convince users to properly tag their questions and write titles that actually ask the question rather than making some vague allusion to part of the technology involved.

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