MetricX-23: The Google Submission to the WMT 2023 Metrics Shared Task

Keyphrases

• Google 100%
• Pre-trained Language Model 100%
• Shared Task 100%
• Synthetic Training Data 100%
• System Performance 50%
• Challenging Tasks 50%
• Training Data 50%
• Supervised Training 50%
• Quality Reference 50%
• Takeaway 50%
• Initialize 50%
• Reference-free 50%
• Regression-based Method 50%
• Quality Estimation 50%
• Model Size 50%
• Segment-level 50%
• Metric Performance 50%

Computer Science

• Training Data 100%
• Language Modeling 66%
• Performance Metric 33%