Before revision:  By using an attention model  to leverage the contextual metadata that accompanies a video, we observe a relative improvement of about 12 \% in Word Error Rate on Named Entities (WER-NE) for videos with related metadata.
After revision:  By using an attention model and a biasing model to leverage the contextual metadata that accompanies a video, we observe a relative improvement of about 12 \% in Word Error Rate on Named Entities (WER-NE) for videos with related metadata.