B.Sc. (Computer Science) Sem 6 Information Retrieval Apr 2024 Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2) Figures to the right indicate marks

1. Q3 Illustrations, in-depth answers and diagrams will be appreciated
2. Q4 Mixing of not allowed Attempt any four of the following: 20 a, What is information retrieval, are characteristics of information:
   • b. What are the the major challenges Information
   • c. is edit distance; and it used similarity
   • d. the process of consiructing index. it facilitate efficient’
   • e. _-What is relevance feedback in of réttieval models
   • f. space,model. Discuss Attempt any four of the following 20 Define and explain its importance in systems
   • b. How be utilized for query expansion grouping in information Explain the ofK-means.and clusteriig in text data analysis ‘d. Explain the a web search engine; What componénis involved (in indexing web pages. aN What role of supervised in to rank and their Discuss the difference the PagéRank and HITS algorithms
3. Q3 any four of the following ‘ Ay Explain breadth-first depth-first Web page crawling Techniques? Define near-duplicate page detection and its significance in web search. Explain the challenges associated with pages Describe common techniques used in extractive text summarization, are Challenges associated with question ‘answering ay Define and content-based filtering in recommender systems Explain different approaches to machine translation, including rule-based, statistical, and neural machine translation models, 20 marks
4. Q4 Attempt any the following : a Discuss the steps involved in the Soundex Algorithm for phonetic matching b Construct 2-gram, 3-gram and 4-gram index for the following terms:
   • a. banana
   • b. pineapple
   • c. computer c Discuss the Naive Bayes algorithm for text classification. How does it work, and what are its assumptions d Discuss how link analysis can be-used in social and e Discuss abstractive text f Describe the role of test and benchmarking datasets

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