Q.1
14 Marks(a)
Define: structured, semi-structured and unstructured data.
(b)
Explain kappa measure with an example.
(c)
What is Naïve bayes classifier? Explain text classification using Naïve bayes classifier.
Gujarat Technological UniversityWinter 2024 examination
GTU 3170718 Information Retrieval (IR) Winter 2024 Question Paper & PDF
B.E. · Computer Engineering · Semester 7 · Subject code 3170718
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
Differentiate classification and clustering.
(b)
Define tokenization, normalization, stemming and stop words in text processing.
(c)
Write a short note on:
i)Zip’s law
ii)Gamma codes
OR
(c)
What is tf-idf weighting? Explain tf and idf in detail.
Q.3
14 Marks(a)
How cosine similarity measure is used to compare documents?
(b)
Briefly explain k-nearest neighbor classifier.
(c)
Explain Boolean retrieval model and vector space model.
OR
(a)
Which are the issues with k-means clustering?
(b)
Discuss biword and positional indexes for handling phrase query.
(c)
What is relevance feedback? Explain Rocchio algorithm for relevance feedback.
Q.4
14 Marks(a)
Briefly explain spam filtering.
(b)
What is user happiness? How to measure user happiness?
(c)
Explain hierarchical agglomerative clustering with an example.
OR
(a)
Identify the need of F-measure and describe F-measure in brief.
(b)
Discuss precision and recall.
(c)
Explain support vector machine classifier for text classification.
Q.5
14 Marks(a)
What is text summarization? Enlist types of text summarization.
(b)
What is web crawler? How does it work?
(c)
What is ranking in information retrieval? List ranking algorithms and explain any one ranking algorithm.
OR
(a)
Discuss question answering.
(b)
What is semantic web? What is the need of semantic web?
(c)
Explain primary tasks of topic detection and tracking.
More Information Retrieval papers
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Other Semester 7 subjects
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About this paper
Official Gujarat Technological University (GTU) examination paper for Information Retrieval (IR) (Winter 2024, 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.