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4.1.3. Web Search Results
This section
Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does 'edit distance' refer to?
Hint
Think about the types of changes you can make to a document.
- 2.
Name one practical application of measuring document similarity.
Hint
Consider where we might need to find copied content.
- 3.
What is the main purpose of calculating document similarity?
- To punish plagiarism
- To improve document accuracy
- To find copied content
Hint
Think about how we deal with copied material.
- 4.
True or False: Dynamic programming allows for the calculation of the same sub-problem multiple times.
- True
- False
Hint
Consider the effectiveness of memorization in problem-solving.
- 5.
Given the words 'kitten' and 'sitting', calculate the edit distance. Show your workings.
Hint
Consider how many letters you need to change to transform one word into another.
- 6.
Provide an example of two texts that are very similar but would result in a low edit distance and explain why they might be semantically different.
Hint
Think about synonyms or different phrasing that express the same idea.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting