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rankresultservice's Introduction

rankResultService

วิธีในการทำ recommendation system Collaborative Filtering

Algorithm ที่ใช้ในการสร้าง model

ALS (alternating least square)
- http://bugra.github.io/work/notes/2014-04-19/alternating-least-squares-method-for-collaborative-filtering/ 

Matrix factorization
- https://www.youtube.com/watch?v=o8PiWO8C3zs

Gradient descent
https://www.youtube.com/watch?v=eikJboPQDT0

Metric ที่ใช้ในการวัดผล RMSE - root mean square error NDCG - https://www.youtube.com/watch?v=qm1In7NH8WE Sampling data สุ่มข้อมูลมาใช้วัดผล

Spark MLlib ML pipeline

Paper ที่เกี่ยวข้อง Paper สำคัญ Collaborative Filtering for Implicit Feedback Datasets การทำ CF บนข้อมูลที่บอกความสนใจของผู้ใช้ทางอ้อม (Implicit) อธิบายความหมายของ parameter ที่ใช้ http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4781121

รวบรวม paper ทั้งหมด https://drive.google.com/folderview?id=0B-aoEYG2hwr0bnFmbW9lWTVndEU&usp=sharing

rankresultservice's People

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