Search Results for author: Qi Gou

Found 4 papers, 2 papers with code

Mixed Preference Optimization: Reinforcement Learning with Data Selection and Better Reference Model

no code implementations28 Mar 2024 Qi Gou, Cam-Tu Nguyen

By analyzing the stability and robustness of RLHF and DPO, we propose MPO (Mixed Preference Optimization), a novel method that mitigates the weaknesses of both approaches.

Contrastive Learning

Diversify Question Generation with Retrieval-Augmented Style Transfer

1 code implementation23 Oct 2023 Qi Gou, Zehua Xia, Bowen Yu, Haiyang Yu, Fei Huang, Yongbin Li, Nguyen Cam-Tu

Given a textual passage and an answer, humans are able to ask questions with various expressions, but this ability is still challenging for most question generation (QG) systems.

Question Answering Question Generation +4

Improving Question Generation with Multi-level Content Planning

1 code implementation20 Oct 2023 Zehua Xia, Qi Gou, Bowen Yu, Haiyang Yu, Fei Huang, Yongbin Li, Cam-Tu Nguyen

Previous studies have suggested that key phrase selection is essential for question generation (QG), yet it is still challenging to connect such disjointed phrases into meaningful questions, particularly for long context.

Answer Generation Question Generation +2

Cross-lingual Data Augmentation for Document-grounded Dialog Systems in Low Resource Languages

no code implementations24 May 2023 Qi Gou, Zehua Xia, Wenzhe Du

This paper proposes a framework to address the issue of data scarcity in Document-Grounded Dialogue Systems(DGDS).

Data Augmentation Dialogue Generation +1

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