Finding the right book - Amazon vs Kyobo - 2010015030 한동우 2010015030 한동우 2010015005 김성민 2008015007 김상오

I’m going to do is, I will search “I am trying to choose a book for my winter break, but I’m not sure what I want. But what I do know is – I prefer love story novel, and has some comedy in the story. What I’m going to do is, I will search both ‘Kyobo bookstore’ and ‘Amazon’ on the internet and figure out which matches the closest.

Contents Chapter 1 Introduction Chapter 2 Comparison of Amazon and Kyobo Chapter 3 Result analysis Chapter 4 Conclusion

Chapter1. Introduction Enterprise Status Enterprise Status Enterprise introduction Enterprise Status ♦ Founded in July 1995, “Let’s make a fast, easy and fun shopping in buying books through internet” ♦ Items: books, music, video, DVD, computer game, commodities, electronic products etc. ♦ 9,500 employees, 148,350million sales Enterprise Status Approximately 29 million people in more than 160 countries use, internet shopping mall providing books as well as various items

Chapter1. Introduction Enterprise Status Enterprise Status Enterprise introduction Enterprise Status ♦ Founded in June 1981, Internet store opened in September 1997 “People are making a book, the book makes a person.” ♦ Items: books, music, DVD, Culturalshow, Exhibitions, lectures, Education, etc. ♦ 1,180 employees, 6,500million sales Enterprise Status Subject to domestic users, book, music, DVD, cultural performances etc provided

Chapter2. Amazon vs Kyobo Main page Comparison Amazon Kyobo

Chapter2. Amazon vs Kyobo Main page Comparison Amazon Kyobo

Chapter2. Amazon vs Kyobo Main page Comparison Amazon

Chapter2. Amazon vs Kyobo Main page Comparison Kyobo

Chapter2. Amazon vs Kyobo KeyWords Comparison Amazon Kyobo

Chapter2. Amazon vs Kyobo KeyWords Comparison Amazon Rank Relevant Precision Recall 1 Yes 1/1 = 1.0 1/20 = 0.05 2 2/2 = 1.0 2/20 = 0.10 3 No 2/3 = 0.67 4 3/4 = 0.75 3/20 = 0.15 5 4/5 = 0.80 4/20 = 0.20 6 4/6 = 0.67 7 5/7 = 0.71 5/20 = 0.25 8 6/8 = 0.75 6/20 = 0.30 9 7/9 = 0.78 7/20 = 0.35 10 7/10 = 0.70 11 7/11 = 0.64 12 8/12 = 0.67 8/20 = 0.40 13 8/13 = 0.62 14 9/14 = 0.64 9/20 = 0.45 15 9/15 = 0.60 16 10/16 = 0.63 10/20 = 0.50 17 11/17 = 0.65 11/20 = 0.55 18 11/18 = 0.61 19 11/19 = 0.58 20 Reciprocal Rank (RR) = 1/1 = 1 R-Precision (RP) = 11/20 = 0.55 Average Precision = 0.419

Chapter2. Amazon vs Kyobo KeyWords Comparison Kyobo Rank Relevant Precision Recall 1 No 0/1 = 0.0 0/20 = 0.00 2 Yes 1/2 = 0.50 1/20 = 0.05 3 1/3 = 0.33 4 1/4 = 0.25 5 1/5 = 0.20 6 1/6 = 0.17 7 1/7 = 0.14 8 1/8 = 0.13 9 1/9 = 0.11 10 1/10 = 0.10 11 1/11 = 0.09 12 1/12 = 0.08 13 1/13 = 0.08 14 1/14 = 0.07 15 2/15 = 0.13 2/20 = 0.10 16 3/16 = 0.19 3/20 = 0.15 17 4/17 = 0.24 4/20 = 0.20 18 5/18 = 0.28 5/20 = 0.25 19 5/19 = 0.26 20 Reciprocal Rank (RR) = 1/2 = 0.50 R-Precision (RP) = 5/20 = 0.25 Average Precision = 0.067

Chapter2. Amazon vs Kyobo Category Comparison Amazon Kyobo

Chapter2. Amazon vs Kyobo Category Comparison Amazon Rank Relevant Precision Recall 1 Yes 1/1 = 1.0 1/20 = 0.05 2 2/2 = 1.0 2/20 = 0.10 3 3/3 = 1.0 3/20 = 0.15 4 4/4 = 1.0 4/20 = 0.20 5 5/5 = 1.0 5/20 = 0.25 6 6/6 = 1.0 6/20 = 0.30 7 No 6/7 = 0.86 8 7/8 = 0.88 7/20 = 0.35 9 8/9 = 0.89 8/20 = 0.40 10 8/10 = 0.80 11 8/11 = 0.73 12 9/12 = 0.75 9/20 = 0.45 13 10/13 = 0.77 10/20 = 0.50 14 11/14 = 0.79 11/20 = 0.55 15 12/15 = 0.80 12/20 = 0.60 16 13/16 = 0.81 13/20 = 0.65 17 14/17 = 0.82 14/20 = 0.70 18 14/18 = 0.78 19 15/19 = 0.79 15/20 = 0.75 20 Reciprocal Rank (RR) = 1/1 = 1.0 R-Precision (RP) = 15/20 = 0.75 Average Precision = 0.665

Chapter2. Amazon vs Kyobo Category Comparison Kyobo Rank Relevant Precision Recall 1 Yes 1/1 = 1.0 1/20 = 0.05 2 No 1/2 = 0.50 3 1/3 = 0.33 4 1/4 = 0.25 5 1/5 = 0.20 6 1/6 = 0.17 7 1/7 = 0.14 8 1/8 = 0.13 9 2/9 = 0.22 2/20 = 0.10 10 2/10 = 0.20 11 3/11 = 0.27 3/20 = 0.15 12 3/12 = 0.25 13 3/13 = 0.23 14 3/14 = 0.21 15 3/15 = 0.20 16 4/16 = 0.25 4/20 = 0.20 17 4/17 = 0.24 18 5/18 = 0.28 5/20 = 0.25 19 6/19 = 0.32 6/20 = 0.30 20 Reciprocal Rank (RR) = 1/1 = 1.0 R-Precision (RP) = 6/20 = 0.30 Average Precision = 0.117

Chapter2. Amazon vs Kyobo Review Comparison Amazon Kyobo

Chapter2. Amazon vs Kyobo Review Comparison Amazon Rank Relevant Precision Recall 1 No 0/1 = 0.00 0/20 = 0.00 2 0/2 = 0.00 3 0/3 = 0.00 4 Yes 1/4 = 0.25 1/20 = 0.05 5 2/5 = 0.40 2/20 = 0.10 6 2/6 = 0.33 7 2/7 = 0.29 8 2/8 = 0.25 9 3/9 = 0.33 3/20 = 0.15 10 3/10 = 0.30 11 3/11 = 0.27 12 4/12 = 0.33 4/20 = 0.20 13 4/13 = 0.31 14 4/14 = 0.29 15 4/15 = 0.27 16 4/16 = 0.25 17 4/17 = 0.24 18 4/18 = 0.22 19 5/19 = 0.26 5/20 = 0.25 20 Reciprocal Rank (RR) = 1/1 = 1.0 R-Precision (RP) = 15/20 = 0.75 Average Precision = 0.665 Reciprocal Rank (RR) = 1/4 = 0.25 R-Precision (RP) = 5/20 = 0.25 Average Precision = 0.079

Chapter2. Amazon vs Kyobo Review Comparison Kyobo Rank Relevant Precision Recall 1 Yes 1/1 = 1.00 1/20 = 0.05 2 2/2 = 1.00 2/20 = 0.10 3 3/3 = 1.00 3/20 = 0.15 4 No 3/4 = 0.75 5 3/5 = 0.60 6 3/6 = 0.50 7 3/7 = 0.43 8 3/8 = 0.38 9 3/9 = 0.33 10 4/10 = 0.40 4/20 = 0.20 11 4/11 = 0.36 12 4/12 = 0.33 13 4/13 = 0.31 14 4/14 = 0.29 15 4/15 = 0.27 16 4/16 = 0.25 17 5/17 = 0.29 5/20 = 0.25 18 5/18 = 0.28 19 5/19 = 0.26 20 6/20 = 0.30 Reciprocal Rank (RR) = 1/1 = 1.0 R-Precision (RP) = 6/20 = 0.30 Average Precision = 0.117

Chapter3. Result analysis

Chapter3. Result analysis How about Amazon? Keyword Category Review Description and other elements as well as the subject Book classification by Genre and detail genre Consists of the consumer rating and evaluation

Chapter3. Result analysis How about Kyobo? Keyword Category Review Consists of the consumer rating and evaluation, Recommended Index Each book has determined keywords Classified by the format of the document

Chapter4. Conclusion Kyobo’s From Amazon Search coverage expansion Category segmentation Search efficiency increase From Amazon Description and other elements as well as the subject are included in searching Book classification by Genre and detail genre in category