Category: Uncategorized

Which of the following statements about recommendation systems is(are) TRUE?

Considering U documents, in one of the documents, K, word W appears only once, and the maximum number of occurrences of W in any document of these U documents is 20. Which of the following statement(s) is (are) true:

Which method is the most sensitive for detecting foodborne viruses?

Consider finding the negative border using the Toivonen’s algorithm, the itemset {A, B, C} is in the negative border if and only if

Although hepatitis E virus typically causes a mild infection, in which group does it become more severe?

What is the Euclidean distance and the Cosine distance between A=[1,3] and B=[9,3]?

Which node(s) in the following graph is (are) have the lowest final hub score?

 In this problem, we are clustering words (character strings) using edit distance (allowing insertions and deletions only). Currently a cluster consists of the five words he, she, her, they, and them. If we define the clustroid to be the member with the smallest maximum distance to any member of the cluster, which word is the clustroid?

In the second pass of PCY, what are the conditions for a pair {i, j} to be considered as a frequent pair?

Consider the DGIM algorithm for estimating the number of 1’s in a window of bit stream. Which of the following is (are) LIKELY to be the size of a bucket maintained by the algorithm?