Buru Chang

Understanding and Improving the Exemplar-based Generation for Open-domain Conversation

2021 · arXiv (Cornell University)

Exemplar-based generative models for open-domain conversation produce responses based on the exemplars provided by the retriever, taking advantage of generative models and retrieval models. However, they often ignore the retrieved exemplars while generating responses or …

Measuring and Improving Semantic Diversity of Dialogue Generation

2022 · arXiv (Cornell University)

Response diversity has become an important criterion for evaluating the quality of open-domain dialogue generation models. However, current evaluation metrics for response diversity often fail to capture the semantic diversity of generated responses, as they …

Content-Aware Hierarchical Point-of-Interest Embedding Model for Successive POI Recommendation

2018

Recommending a point-of-interest (POI) a user will visit next based on temporal and spatial context information is an important task in mobile-based applications. Recently, several POI recommendation models based on conventional sequential-data modeling approaches have …