The Marriage of Music and Machine Learning in KKBOX Research Center of KKBOX
The Marriage of Music and Machine Learning in KKBOX
Research Center of KKBOX
Collaborative Filtering
Matrix Factorization
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.)
CBOW
CBOW Skip-gram
CBOW Skip-gram
DeepWalk (Bryan Perozzi, Rami Al-Rfou& Steven Skiena, 2014 )
Random Walk Word2Vec
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
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
Cold start ?
Learn the relationships between laten factors and audio signals
Future Directions
Hybrid of collaborative filtering and content based techniques
Trending/Popular within user segments
Optimizing for various metrics drive business goals