[{"slug":"cosignatures","name":"Co-signature / Co-authorship Network","short_description":"Counts how often two MEPs appear as authors on the same parliamentary document or question.","formula":"edge_count(A,B) = count(distinct documents where A and B both have participation role AUTHOR)","published_at":"2026-06-27","is_current":true},{"slug":"delegation-cohesion","name":"Delegation Cohesion","short_description":"How unified a country's delegation is across all roll-call votes.","formula":"cohesion = average over votes of (majority_position_count / expressed_positions_count)","published_at":"2026-05-01","is_current":true},{"slug":"group-loyalty","name":"Group Loyalty","short_description":"How often a MEP votes with the majority position of their European political group.","formula":"group_loyalty = votes_matching_group_majority / eligible_expressed_votes","published_at":"2026-05-01","is_current":true},{"slug":"attendance","name":"MEP Attendance","short_description":"Share of eligible roll-call votes where the MEP cast a position (For, Against or Abstain).","formula":"attendance = votes_cast / total_eligible_votes","published_at":"2026-05-01","is_current":true},{"slug":"similarity","name":"MEP Similarity","short_description":"How often two MEPs cast the same expressed position across votes where both were present.","formula":"similarity = same_position_votes / comparable_expressed_votes","published_at":"2026-05-01","is_current":true},{"slug":"delegation-loyalty","name":"National Delegation Alignment","short_description":"How often a MEP votes with the majority position of their national delegation (MEPs from the same country).","formula":"delegation_loyalty = votes_matching_delegation_majority / eligible_expressed_votes","published_at":"2026-05-01","is_current":true},{"slug":"topic-rules","name":"Topic Classification (rule-based)","short_description":"Assigns one primary and up to 3 secondary topics per vote using keyword rules, concept mappings, and country detection.","formula":"confidence = min(0.98, 0.45 + min(0.4, total_weight × 0.18) + min(0.15, evidence_count × 0.05))","published_at":"2026-05-22","is_current":true},{"slug":"importance","name":"Vote Importance Score","short_description":"Prioritisation indicator (0–100) combining 8 transparent factors per vote.","formula":"score = vote_type + legislative + topic + group_division + country_division + close_vote + turnout + rebel_votes; score = min(100, score)","published_at":"2026-05-15","is_current":true}]