Question 6

True/False: tf-idf weight is a metric derived by taking the log of N divided by the document frequency where N is the total number of documents in a collection.

Select one:

True

False

Question 7

The number of times that a word or term occurs in a document is called the:

Select one:

a. Proximity Operator

b. Vocabulary Lexicon

c. Term Frequency

d. Indexing

e. Granularity

Question 8

A compression algorithm that results in some loss of data is called:

Select one:

a. zipf compression

b. dictionary compression

c. lossless compression

d. lossy compression

Question 9

True/False: The process where multiple lists are evaluated using AND or OR operators in a Boolean retrieval query is called an intersection operation.

Select one:

True

False

Question 10

True/False: Ad hoc retrieval is a model of information retrieval in which we can pose any query in which search terms are combined with the operators AND, OR, and NOT.

Select one:

True

False