Homework Help is Here – Start Your Trial Now!
Engineering
Computer Engineering
(2) Calculate the cosine similarity between B and D. (3) Use collaborative filtering method with user-user similarity and k=2 (i.e., based on the top-2 similar users with respect to cosine similarity), predicate the rating of user C on item e. Notice: write the results as fractions rather than decimals. Items a b c d e f Users A 4 1 2| 5 в | 2 3 | 2 2 C 3 5 4 D 1 3 5 4

(2) Calculate the cosine similarity between B and D. (3) Use collaborative filtering method with user-user similarity and k=2 (i.e., based on the top-2 similar users with respect to cosine similarity), predicate the rating of user C on item e. Notice: write the results as fractions rather than decimals. Items a b c d e f Users A 4 1 2| 5 в | 2 3 | 2 2 C 3 5 4 D 1 3 5 4

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
See similar textbooks
icon
Related questions
Question
No 2 and 3 please.
Table 1 is a utility matrix, representing ratings of six items by four users. (1) Regard the utility matrix as a boolean matrix, calculate the jaccard similarity between A and C. (2) Calculate the cosine similarity between B and D. (3) Use collaborative filtering method with user-user similarity and k=2 (i.e., based on the top-2 similar users with respect to cosine similarity), predicate the rating of user C on item e. Notice: write the results as fractions rather than decimals. Items b c d a e Users A 4 1 2| 5 В | 2 3 | 2 | 5 2 C 3 5 4 D 1 3 | 5 4
Transcribed Image Text:Table 1 is a utility matrix, representing ratings of six items by four users. (1) Regard the utility matrix as a boolean matrix, calculate the jaccard similarity between A and C. (2) Calculate the cosine similarity between B and D. (3) Use collaborative filtering method with user-user similarity and k=2 (i.e., based on the top-2 similar users with respect to cosine similarity), predicate the rating of user C on item e. Notice: write the results as fractions rather than decimals. Items b c d a e Users A 4 1 2| 5 В | 2 3 | 2 | 5 2 C 3 5 4 D 1 3 | 5 4
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY
SEE MORE TEXTBOOKS