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Department of Computer Science and Engineering

1st Mid Exam

Course Title: Information Retrieval and Search Engine Optimization (CSE-4107)

Semester: 7th | Session: 19-20

Time: 45 minutes | Marks: 20.00

Course Teacher: Dr. Tania Islam

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1)

What is a term frequency-inverse document frequency (TF-IDF) score, and how is it used in IR?

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5 Marks
2)

How do search engines handle duplicate content across different websites? What is PageRank, and how does it impact search results?

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3)

What is the role of stop words and stemming in the indexing process, and how do they affect retrieval accuracy?

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4)

How do search engines prioritize which pages to crawl first, and what factors influence this decision? How do search engines determine the freshness of a web page, and why is this an important factor in ranking?

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Prepared By (Teacher): Dr. Tania Islam N/A
Uploaded By: Subrina Jahan Meem Jan. 15, 2025, 7:36 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Feb. 25, 2026, 10:41 p.m.
Reviewed By: Obaydul Hasan Nayeem Feb. 26, 2026, 11:26 p.m.