1 code implementation • 6 Oct 2023 • Deren Lei, Yaxi Li, Mengya Hu, Mingyu Wang, Vincent Yun, Emily Ching, Eslam Kamal
Our framework uses Chain of Natural Language Inference (CoNLI) for hallucination detection and hallucination reduction via post-editing.
2 code implementations • EMNLP 2021 • Yuning Mao, Wenchang Ma, Deren Lei, Jiawei Han, Xiang Ren
In this paper, we present a systematic analysis that studies whether current seq2seq models, especially pre-trained language models, are good enough for preserving important input concepts and to what extent explicitly guiding generation with the concepts as lexical constraints is beneficial.
1 code implementation • 12 Aug 2020 • Yilei Zeng, Deren Lei, Beichen Li, Gangrong Jiang, Emilio Ferrara, Michael Zyda
In this work, we propose a Sequence Reasoner with Round Attribute Encoder and Multi-Task Decoder to interpret the strategies behind the round-based purchasing decisions.
1 code implementation • EMNLP 2020 • Deren Lei, Gangrong Jiang, Xiaotao Gu, Kexuan Sun, Yuning Mao, Xiang Ren
Walk-based models have shown their advantages in knowledge graph (KG) reasoning by achieving decent performance while providing interpretable decisions.
no code implementations • IJCNLP 2019 • Siyao Li, Deren Lei, Pengda Qin, William Yang Wang
Deep reinforcement learning (RL) has been a commonly-used strategy for the abstractive summarization task to address both the exposure bias and non-differentiable task issues.
1 code implementation • NAACL 2019 • Wenhan Xiong, Jiawei Wu, Deren Lei, Mo Yu, Shiyu Chang, Xiaoxiao Guo, William Yang Wang
Existing entity typing systems usually exploit the type hierarchy provided by knowledge base (KB) schema to model label correlations and thus improve the overall performance.
Ranked #3 on Entity Typing on Ontonotes v5 (English)
no code implementations • 1 Nov 2018 • Deren Lei, Zichen Sun, Yijun Xiao, William Yang Wang
To bridge this gap, we study the role of SGD implicit regularization in deep learning systems.