1. PIC for target CPA advertising product. Optimize the lifetime performance of this product and payment mechanism. Improve product adoption rate more than 40% and increase revenue more than 100%.2. Optimize advertiser retention rate. Provide diagnosis tools to advertisers and develop advertiser investment mechanism. Advertiser retention rate significantly improved.3. Design and develop ColdStart / Exploration / Incentive mechanisms.

1. Working as tech leader in live streaming advertising. Design and develop the live streaming advertising real time bidding system. Greatly increase the business revenue (more than 30%) by optimizing the RTB system and algorithm.2. Design and develop calibration system and cold start improve module for ads system. Ads revenue increase more than 20% with these techs.3. Design and develop ROAS live streaming advertising products. Optimizing this product with accelerate-exploration and low-cost. Covers more than 10M RMB revenue every day.

1：Learning transformations of music style based on user action; Learning audio-based music feature; Learning artist embeddings based on user action.2：Develop the VIP album recommendation system. This system has greatly improved the exposure, click, and subscribe volume as well as significantly improved the click, play, and subscribe rate of VIP albums.3：Develop an independent artist song promotion system. The system significantly speeded up the promotion of independent artist songs and improved the exposure of independent artists.

Alibaba Health Internship; Algorithm Group; Working on Electronic Health Records mining, directed by Zhigang Chen.

Baidu BDL Internship; Spatial-Temporal Big Data Group; Working on neural network based map query suggestion, directed by Haishan Wu and Tong Zhang.