Quiz
Which of the following is true?
- LLRUN is an example local parametric gap compression technique.
- If one does batch updates and has more delete operations than `frac(3)(4) cdot d_(old) - frac(1)(4) cdot d_(\i\n\s\e\r\t)`, it
will be quicker to REBUILD the index than use REMERGE.
- Pseudo relevance feedback replaces each term in a user's query with a term that is likely to give better search results.