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The Marriage of Music and Machine Learning in KKBOX
Research Center of KKBOX
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Collaborative Filtering
Matrix Factorization
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Word2Vec - “The results, to our own surprise, show that the buzz is fully justified, as the context-predicting models obtain a thorough and resounding victory against their count-based counterparts.” - Marco et al.
“You should know the word by the company it keeps” (Firth J.R.)
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CBOW
CBOW Skip-gram
CBOW Skip-gram
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DeepWalk (Bryan Perozzi, Rami Al-Rfou& Steven Skiena, 2014 )
Random Walk Word2Vec
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Short truncated random walks are sentences in an artificial language
Random walk distance is known to be good features for many problemsfor example: a. Recommendation b. Search optimization despite accuracy, gives the sense of serendipity
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青花瓷 珊瑚海 我不配 給我一首歌的時間
黃金甲 珊瑚海 雙截棍 天地一鬥
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Cold start ?
Learn the relationships between laten factors and audio signals
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Future Directions
Hybrid of collaborative filtering and content based techniques
Trending/Popular within user segments
Optimizing for various metrics drive business goals