Xia Song

Leading Conversational Search by Suggesting Useful Questions

2020

This paper studies a new scenario in conversational search, conversational question suggestion, which leads search engine users to more engaging experiences by suggesting interesting, informative, and useful follow-up questions. We first establish a novel evaluation …

Neural Ranking Models with Multiple Document Fields

2018

Deep neural networks have recently shown promise in the ad-hoc retrieval task. However, such models have often been based on one field of the document, for example considering document title only or document body only. …