Tweet Selection
In this lesson2 sections
Tweet Selection
Build the candidate pool from new tweets, previously unseen tweets, and content outside the user’s network. The examples show why selection needs both a freshness policy and a bound on how much work reaches the ranker.
Tweet selection schemes
Let’s see the various schemes Tweet selection component uses to fetch Tweets for a user’s twitter feed.
New Tweets
Consider the following scenario to see how Tweet selection occurs.
User A logs in to Twitter at am to view their Twitter feed. Now, the Tweet selection component has to fetch Tweets for display. It fetches the five-hundred newly generated Tweets by A’s network since the last login at pm yesterday.
A not-so-new Tweet:
The rest of this lesson is for Premium members
Premium opens every lesson in this course, along with all questions and solutions on PracHub.