Information Retrieval Systems Mid - I, September - 2014

1._____________ are the basic methods for generation of thesaurus.
  • hand crafted
  • co-occurrence
  • header – modified
  • All
Answer: D
2.The most common data structures used in ____________ is the inverted file structure.
  • database management
  • IRS
  • both
  • none
Answer: C
3.The key values are stored at the ______________ nodes.
  • top
  • middle
  • bottom
  • None
Answer: C
4.Search of the signature matrix requires _______________ search time.
  • O( log N)
  • O
  • O(N)
  • None
Answer: C
5.The successor varieties of a word are used to segment ____________ method.
  • cutoff
  • entropy
  • peak & plateau
  • all
Answer: D
6.Which function is primarily used to compensate for errors in spelling of words?
  • Fuzzy
  • Indexing
  • Ranking
  • Zoning
Answer: A
7.The transformation from the received item to the searchable data structure is called _____
  • Ranking
  • Indexing
  • Term Masking
  • None
Answer: B
8.Concept indexing determines a __________ set of concepts based upon a test set of terms and uses them as a basis for indexing all items
  • Canonical
  • Searching
  • Associated
  • Relationship
Answer: A
9.The K stem algorithm used in the __________ System combines a set of simple stemming rules with a dictionary to determine processing tokens.
  • DCARS
  • INQUERY
  • OCR
  • None
Answer: B
10.An Information Retrieval System gives the user capabilities to assist the user in finding the
  • Non relevant items
  • Overhead
  • Relevant items
  • Measures
Answer: C
11._______________ algorithms are used to improve the efficiency of the information system and to improve recall.
Answer: Stemming
12._______________ level indexing requires pattern reorganization of object within the images.
Answer: Semantic
13.Hypertext allows one item to reference another item via an imbedded _________________.
Answer: Pointer
14.It is possible that the same N-gram can be created _____________ times from a single word.
Answer: Multiple
15.Expand ASR _________________ .
Answer: Automatic Speech Recognition
16.Precision is directly affected by retrieval of non-relevant items and drops to a number close to ________________
Answer: Zero
17.The format for proximity is: TERM1 within “m” “units” of TERM2 m is ______________
Answer: m-distance operator
18.Under Boolean systems, the status display is a count of the number of items found by the query is ______________
Answer: Ranking
19.The process of extracting facts to go into indexes is called _________________
Answer: Automatic Field Build
20.The input stream is transformed into a searchable data structure consisting of substrings is called ________________
Answer: PAT