Assignment #3 Sept. 2014Yangjun Chen ACS-71021 Assignment #3 Due: Nov. 27, 2014 1.(20) Produce a stylesheet to transform the document shown in Fig. 1(a)

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Assignment #3 Sept. 2014Yangjun Chen ACS Assignment #3 Due: Nov. 27, (20) Produce a stylesheet to transform the document shown in Fig. 1(a) to a document shown in Fig. 1(b). Fay Wray Jeff Brideges Jessica Lange Kevin Bacon John Lithgow Sarah Jessica Parkr Fay Wray Jeff Brideges Jessica Lange Kevin Bacon John Lithgow Sarah Jessica Parkr (a) (b) Fig. 1

Assignment #3 Sept. 2014Yangjun Chen ACS (15) In Fig. 2, we show a network, in which each node stands for a page and each arc for a link from a page to another. Please give the transition matrix for the network. Also, explain why the solution to the equation: A = MA can be used as the estimation of page importance, where A is a vector of n variables and M is an n  n transition matrix. Fig

Assignment #3 Sept. 2014Yangjun Chen ACS (10) Explain why the following equation (for estimate the importance of pages) works in the presence of spider traps and dead ends. P new =  MP old + (1 -  )T A v 1 B v 8 v 2 B v 3 CB v 4 v 5 C v 6 C v 7 D (1, 1, 11, 1) (1, 2, 9, 2) (1, 10, 10, 2) (1, 3, 3, 3) (1, 4, 8, 3) (1, 5, 5, 4) (1, 7, 7, 4) (1, 6, 6, 4) T:T: 4. (20) Fig. 3 shows a tree encoding. The quadruples can be stored as a sequence sorted by LeftPos values by using the depth-first search. Design an algorithm to transform it into another sequence sorted by RightPos values. Fig. 3

Assignment #3 Sept. 2014Yangjun Chen ACS (15)In the following table, we show the key words of five documents, as well as the key word sequences sorted by frequencies. Please construct a trie for the sorted sequences and a header table for all the key words to speed up the evaluation of conjunctive queries of form word1  word2  …  wordi. Also, show how a conjunctive query is evaluated by using the trie. Fig. 4 DocIDItemsSorted item sequence 1f, a, c, i, j, m, pc, f, i, a, m, p, j 2a, b, c, h, fc, f, a, b, h 3b, i, ff, b, i 4b, c, ic, b, i 5a, f, c, m, pc, f, a, m, p

Assignment #3 Sept. 2014Yangjun Chen ACS (20)The following is a directed graph G. Please find a spanning tree of it and then label the nodes in the spanning tree by intervals. Also, construct an interval sequence for each node, which can be used to check the reachability queries with respect G. Fig. 5 a b d r h e f g i j c k p