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Rakuten Institute of Technology

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Introduction of Rakuten Institute of Technology

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Rakuten Institute of Technology

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  2. 2. 3 Fusion Interaction Collaboration
  3. 3. 4 • • •
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  8. 8. 9 100 200 300 400 500 600 5 4 3 2 1 100 200 300 400 500 600 5 4 3 2 1
  9. 9. 10 Why are we working on this problem? (Key Benefits) ‣ To organize our catalog in accordance with customer expectations ‣ To precisely search our catalog for products and its variants ‣ To measure and enforce merchant KPI's. What are we doing? (Key Tasks) ‣ Product Genre Classification ‣ Attribute Extraction from Product Information ‣ Merchant and Item Review Analysis How are we doing it? (Key Technologies) ‣ Large-Scale Gradient Boosted Decision Trees ‣ Deep Learning (RNN's, CNN's, others) ‣ Computing Massive Number of NLP Features Product Catalog Businesses
  10. 10. 11 Each product can be assigned a category and attributes. For instance: +Category Grocery & food Subcategory Wine Each (sub)category has a number of relevant attributes with a list of valid values Challenge: this structured information is not always present or correct Goal: automatically predict category and attributes from text and/or images https://item.rakuten.co.jp/kawahara/345812/
  11. 11. 12 Classifier based on Deep Learning Algorithm (CNN) Prec@1 92% Prec@10 99% Classifier based on Deep Learning Algorithm (CNN) Prec@1 57% Prec@3 75% Extracting Words * Tested to Ichiba L3 category (1.5K categories) * Tested for PriceMinister Image Data Text Data • Item Title • Item Description Image Data
  12. 12. 13 我们真的很有诚意了。 你说我一个老总都亲 自跑了好几趟了。 Machine translation is A Rakuten group company which provides a video streaming service. Volunteers are editing subtitles and translated subtitles. https://www.viki.com/?locale=ja
  13. 13. 14 Hobby and Entertainment > Books and Magazine > Business Electronics > Audio > Earphone / Headphone Electronics > Smartphone > AC Adaptor / Battery
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  19. 19. 2020 Control!
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  25. 25. 26 未来店舗デザイン研究室 筑波大学
  26. 26. 27 てら・す 授業:デザイン演習
  27. 27. 28 株式会社 ヤッホーブルーイング • イーザッカマニアストアーズ • 株式会社ネコリパブリック •
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