Question 1
(a)
Discuss Information Retrieval with its applications.
3 Marks
(b)
Discuss: stop words and tokenization.
4 Marks
(c)
Explain working of naive bayes models.
7 Marks
Gujarat Technological UniversitySummer 2026 Examination
GTU 3170718 Information Retrieval (IR) Summer 2026 Paper Solution & PDF
B.E. · Computer Engineering · Semester 7 · Subject Code: 3170718
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Describe Zipf's Law.
3 Marks
(b)
Discuss: stemming and phrases.
4 Marks
(c)
Differentiate Structured, Unstructured and Semi- Structured text.
7 Marks
OR OPTION
(c)
What is Index compression? Explain lexicon compression and postings lists compression.
7 Marks
Question 3
(a)
Explain n-gram indexes.
3 Marks
(b)
Write a short note on cosine measure.
4 Marks
(c)
Briefly discuss vector space retrieval model with example.
7 Marks
OR OPTION
(a)
Differentiate between Inverted Index and Forward Index
3 Marks
(b)
Discuss kernel method in short.
4 Marks
(c)
Explain the retrieval performance evaluation.
7 Marks
Question 4
(a)
Define the terms: TF-IDF
3 Marks
(b)
Write the differences between classification and clustering.
4 Marks
(c)
Briefly discuss working of k nearest neighbour with the help of appropriate example.
7 Marks
OR OPTION
(a)
Write Short notes on Support vector machine classifiers.
3 Marks
(b)
Discuss spam filtering.
4 Marks
(c)
Discuss types of hierarchical clustering method.
7 Marks
Question 5
(a)
What is the need of Filtering against spamming?
3 Marks
(b)
Describe Cross language information retrieval.
4 Marks
(c)
Explain hierarchical agglomerative clustering technique with appropriate example.
7 Marks
OR OPTION
(a)
Discuss: PageRank and HITS
3 Marks
(b)
Write a short note on semantic web.
4 Marks
(c)
Explain XML retrieval? Also write down the major challenges in XML retrieval?
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Information Retrieval (IR) (Summer 2026, B.E. · Computer Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.