There are a number of qrels files for 2023 NeuCLIR:

1. qrels.final

   This is the complete set of relevance judgments for all topics.

2. qrels.final.gains

   The relevance values in qrels.final are mapped to gains for nDCG:
   rel 0 -> gain 0
   rel 1 -> gain 0
   rel 2 -> gain 1
   rel 3 -> gain 3
   Then, topics which have zero gainful documents, or are more than 40% gainful documents, are pruned to produce qrels.final.gains.

3. qrels.final.gains.mlir

   This is a copy of qrels.final.gains and is the qrels file used to score MLIR runs.

4. qrels.final.gains.{zho,rus,fas}

   These are the qrels.final.gains file divided into the different languages.  These are the files used to score monolingual runs.

5. qrels.tech

   These are the qrels for the technical documents task.  Use this file for scoring.