Twitter推荐
twitter比较关注social graph的挖掘
1. requirements
2. pipeline
召回、精排、规则多样性重排、混排
Fetch the best Tweets from different recommendation sources in a process called candidate sourcing.
Rank each Tweet using a machine learning model.
Apply heuristics and filters, such as filtering out Tweets from users you’ve blocked, NSFW content, and Tweets you’ve already seen.
3. data collection
4. feature
5. model
retrieval
In-Network召回
Out-of-Network 召回
ranking
MaskNet
reranking
过滤已屏蔽用户的推文、NSFW内容和已看过的推文
6. evaluation
reference
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