Assignment Requirement:

Each student is required to answer the following question:

Question $1$:

$1\mathrm{.}1$ How is the Inverse Document Frequency determined and calculated?

$1\mathrm{.}2$ What is the difference between zone and parametric indexes?

Question $2$:

$2\mathrm{.}1$ How can you determine which type of query to use?

$2\mathrm{.}2$ State the differences of the following and provide an example for each.

Boolean retrieval

Wildcard queries

Phrase querics

$2\mathrm{.}3$ What are some approaches for increasing the efficiency of computing scores and ranking in search systems?

Question $3$: State the differences between the following by highlighting the main limitations or constraints.

Block sort$-$based indexing

Single$-$pass in$-$memory indexing