The advantages of incremental crawling are:
8. Question 8 The advantages of incremental crawling are: 1 point It adds overhead. It targets frequently accessed pages. It targets frequently updated pages. It learns…
What is true about Rocchio feedback?
7. Question 7 What is true about Rocchio feedback? 1 point It can be used for relevance feedback and also pseudo feedback. Negative examples are as important as…
Imagine if the web is fully connected with N pages such that for any pair of pages, P and Q, there exists a link from P to Q, then which of the following is true?
5. Question 5 Imagine if the web is fully connected with N pages such that for any pair of pages, P and Q, there exists a link from P to…
What is NOT the reason that PageRank works better than “citation counting”?
9. Question 9 What is NOT the reason that PageRank works better than “citation counting”? 1 point It utilizes text information other than link information. PageRank has smoothing….
Which of the following is/are the difference(s) between pseudo and implicit feedback?
6. Question 6 Which of the following is/are the difference(s) between pseudo and implicit feedback? 1 point Implicit feedback assumes user-clicked documents are relevant. Pseudo feedback assumes top…
In MapReduce, the Reduce function is called for each unique key of the output key-value pairs from the Map function.
3. Question 3 In MapReduce, the Reduce function is called for each unique key of the output key-value pairs from the Map function. 1 point True False
Which of the following is not true about GFS?
1. Question 1 Which of the following is not true about GFS? 1 point The file data transfer happens directly between the GFS client and the GFS master. …
What is WRONG about HITS algorithm?
10. Question 10 What is WRONG about HITS algorithm? 1 point It’s an iterative algorithm. The adjacency matrix is symmetric. It has two sets of parameters: a…
Which of the following would cause a web page P to have a higher PageRank score?
4. Question 4 Which of the following would cause a web page P to have a higher PageRank score? 1 point Add to another page Q a link that…
MapReduce allows parallelizing the creation of the inverted index.
2. Question 2 MapReduce allows parallelizing the creation of the inverted index. 1 point False True
