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Zhitong Yang

2 accepted papers

2022

CR-GIS: Improving Conversational Recommendation via Goal-aware Interest Sequence Modeling

COLING 2022main

Conversational recommendation systems (CRS) aim to determine a goal item by sequentially tracking users’ interests through multi-turn conversation. In CRS, implicit patterns of user interest sequence guide the smooth transition of dialog utterances to the goal item. However, with the convenient expl…

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2022

TopKG: Target-oriented Dialog via Global Planning on Knowledge Graph

COLING 2022main

Target-oriented dialog aims to reach a global target through multi-turn conversation. The key to the task is the global planning towards the target, which flexibly guides the dialog concerning the context. However, existing target-oriented dialog works take a local and greedy strategy for response g…