Information Retrieval Quiz: Trivia!
10 Questions
| Total Attempts: 2421
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Questions and Answers
- 1.A large repository of documents in IR is called:
- A.
Corpus
- B.
Database
- C.
Dictionary
- D.
Collection
- 2.Postings list should be sorted by:
- A.
Document Frequency
- B.
DocID
- C.
TermID
- D.
Term frequency
- 3.For query optimization while intersecting two postings list, we should
- A.
Process in the order of increasing document frequency
- B.
Process in any order
- C.
Process in the order of decreasing document frequency
- D.
None of the above
- 4.Term-document incidence matrix is:
- A.
Dense
- B.
Sparse
- C.
Depends upon the data
- D.
Cannot predict
- 5.Lemmatization is a technique for:
- A.
Ranking documents
- B.
Case folding
- C.
Normalization
- D.
Tokenization
- 6.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:
- A.
Ad hoc retrieval model
- B.
Ranked retrieval model
- C.
Boolean retrieval model
- D.
Proximity query modelmodel
- 7.The number of times that a word or term occurs in a document is called:
- A.
Document frequency
- B.
Collection frequency
- C.
Term frequency
- D.
Indexing granularity
- 8.Stemming increases the size of the vocabulary.
- A.
True
- B.
False
- 9.A crude heuristic process that chops off the ends of the words to reduce inflectional forms of words and reduce the size of the vocabulary is called:
- A.
Lemmatization
- B.
Case folding
- C.
True casing
- D.
Stemming
- 10.In information retrieval, extremely common words which would appear to be of little value in helping select documents and are excluded from the index vocabulary are called:
- A.
Stop words
- B.
Tokens
- C.
Lemmatized words
- D.
Stemmed terms
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