随笔分类 -  [Big Data]

摘要:Question 1Consider the diagonal matrix M =100020000. Compute its Moore-Penrose pseudoinverse, and then identify, in the list below, the true statement... 阅读全文
posted @ 2014-11-09 03:56 Zhentiw 编辑
摘要:Question 1Note: In this question, all columns will be written in their transposed form, as rows, to make the typography simpler. Matrix M has three ro... 阅读全文
posted @ 2014-11-03 06:15 Zhentiw 编辑
摘要:Question 1Here is a table of 1-5 star ratings for five movies (M, N, P. Q. R) by three raters (A, B, C).MNPQRA12345B23253C55532Normalize the ratings b... 阅读全文
posted @ 2014-11-01 06:29 Zhentiw 编辑
摘要:Question 1For the following graph: C -- D -- E / | | | \A | | | B \ | | | / F -- G -- HWrite the adjacency matrix A, the degre... 阅读全文
posted @ 2014-10-27 06:13 Zhentiw 编辑
摘要:Question 1Suppose we hash the elements of a set S having 20 members, to a bit array of length 99. The array is initially all-0's, and we set a bit to ... 阅读全文
posted @ 2014-10-27 02:08 Zhentiw 编辑
摘要:Question 1Suppose we perform the PCY algorithm to find frequent pairs, with market-basket data meeting the following specifications:s, the support thr... 阅读全文
posted @ 2014-10-16 05:22 Zhentiw 编辑
摘要:Question 1Suppose we have transactions that satisfy the following assumptions:s, the support threshold, is 10,000.There are one million items, which a... 阅读全文
posted @ 2014-10-15 01:58 Zhentiw 编辑
摘要:Question 1The edit distance is the minimum number of character insertions and character deletions required to turn one string into another. Compute th... 阅读全文
posted @ 2014-10-12 05:45 Zhentiw 编辑
摘要:Question 1Consider three Web pages with the following links:Suppose we compute PageRank with a β of 0.7, and we introduce the additional constraint th... 阅读全文
posted @ 2014-10-09 01:52 Zhentiw 编辑

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