Starting from the document of the refined user stories gathered in previous stages, complete the following phases:

Phase 3 - Shortlisting and Voting
Timeline: Complete by mid Q2 (start of November 2024)
Participants: WMCS Team
Goal: Evaluate and vote on items from a sustainability perspective
Aim to shortlist 10-20 most promising ones
Considerations:
a) Relevance to platform sustainability
b) Alignment with WMCS team's scope and resources
c) Ease of measurement
Conduct a final vote on shortlisted items to determine effort-to-impact ratios

Phase 4 - Weight Assignment
Timeline: Mid Q2 (end of November 2024)
Participants: WMCS Team
Goal: Assign weights to the different factors

Phase 5 - Baseline Score Calculation
Timeline: End of Q2 (end of December 2024)
Participants: KR/hypothesis owners
Goal: Calculate a baseline score