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Building a simple RS for Viblo website
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phanhoang17
December 12, 2018
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Building a simple RS for Viblo website
phanhoang17
December 12, 2018
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Transcript
Building a simple recommender system for Viblo website Hoang Phan
Huy Machine Learner - ML Team - Framgia Inc.
Các nội dung chính
Hệ gợi ý là gì?
Hệ gợi ý là gì?
Các phương pháp tiếp cận
Collaborative Filtering - User-based
Collaborative Filtering - Item-based
Content-Based
Dữ liệu - Explicit Feedback
Dữ liệu - Implicit Feedback
Hướng tiếp cận chung
Hướng tiếp cận chung
Xây dựng hệ gợi ý cho Viblo
Thu thập dữ liệu https://viblo.asia/api/posts https://viblo.asia/api/posts/GrLZDXBBZk0
Tiền xử lí dữ liệu - Garbage In, Garbage Out
Tiền xử lí dữ liệu - Tokenize --> --> -->
Mô hình hoá với thuật toán LDA
Mô hình hoá với thuật toán LDA
Độ tương đồng vector - Jensen Shannon
Web
Demo
Demo sản phẩm https://github.com/huyhoang17/LDA_Viblo_Recommender_System
Q & A
Cảm ơn mọi người đã chú ý lắng nghe!