Before revision:  To this end, we propose a novel deep neural model named A ttentiveP seudoR elevanceF eedbackNet work (APRF-Net) to enhance the representation of rare queries for query categorization.
After revision:  To this end, we propose a novel deep neural model named A ttentiveP seudoR elevanceF eedbackNet Attentive Pseudo Relevance Feedback Network (APRF-Net) to enhance the representation of rare queries for query categorization.