activity
20182025
most citedUNIMO: Towards Unified-Modal Understanding and Generation via Cross-Modal Contrastive Learning

32 citations · 116 across the 15 of their papers we have counts for

collaborators

15 papers

cs.LG2025★ 23 cited

Humanity's Last Exam

Long Phan, Alice Gatti, Ziwen Han +1168

Benchmarks are important tools for tracking the rapid advancements in large language model (LLM) capabilities. However, benchmarks are not keeping pace in difficulty: LLMs now achi…

cs.CL2022★ 1 cited

WeCheck: Strong Factual Consistency Checker via Weakly Supervised Learning

Wenhao Wu, Wei Li, Xinyan Xiao +3

A crucial issue of current text generation models is that they often uncontrollably generate factually inconsistent text with respective of their inputs. Limited by the lack of ann…

cs.CL2022★ 2 cited

FRSUM: Towards Faithful Abstractive Summarization via Enhancing Factual Robustness

Wenhao Wu, Wei Li, Jiachen Liu +4

Despite being able to generate fluent and grammatical text, current Seq2Seq summarization models still suffering from the unfaithful generation problem. In this paper, we study the…

cs.CL2022

Precisely the Point: Adversarial Augmentations for Faithful and Informative Text Generation

Wenhao Wu, Wei Li, Jiachen Liu +3

Though model robustness has been extensively studied in language understanding, the robustness of Seq2Seq generation remains understudied. In this paper, we conduct the first quant…

cs.CL2022

PLANET: Dynamic Content Planning in Autoregressive Transformers for Long-form Text Generation

Zhe Hu, Hou Pong Chan, Jiachen Liu +3

Despite recent progress of pre-trained language models on generating fluent text, existing methods still suffer from incoherence problems in long-form text generation tasks that re…

cs.CV2022★ 2 cited

UNIMO-2: End-to-End Unified Vision-Language Grounded Learning

Wei Li, Can Gao, Guocheng Niu +5

Vision-Language Pre-training (VLP) has achieved impressive performance on various cross-modal downstream tasks. However, most existing methods can only learn from aligned image-cap…

cs.CV2022

DU-VLG: Unifying Vision-and-Language Generation via Dual Sequence-to-Sequence Pre-training

Luyang Huang, Guocheng Niu, Jiachen Liu +2

Due to the limitations of the model structure and pre-training objectives, existing vision-and-language generation models cannot utilize pair-wise images and text through bi-direct…

cs.CL2022★ 28 cited

Faithfulness in Natural Language Generation: A Systematic Survey of Analysis, Evaluation and Optimization Methods

Wei Li, Wenhao Wu, Moye Chen +3

Natural Language Generation (NLG) has made great progress in recent years due to the development of deep learning techniques such as pre-trained language models. This advancement h…

cs.CL2021

SgSum: Transforming Multi-document Summarization into Sub-graph Selection

Moye Chen, Wei Li, Jiachen Liu +3

Most of existing extractive multi-document summarization (MDS) methods score each sentence individually and extract salient sentences one by one to compose a summary, which have tw…

cs.CL2021★ 1 cited

Controllable Dialogue Generation with Disentangled Multi-grained Style Specification and Attribute Consistency Reward

Zhe Hu, Zhiwei Cao, Hou Pong Chan +4

Controllable text generation is an appealing but challenging task, which allows users to specify particular attributes of the generated outputs. In this paper, we propose a control…

cs.CL2021★ 4 cited

BASS: Boosting Abstractive Summarization with Unified Semantic Graph

Wenhao Wu, Wei Li, Xinyan Xiao +5

Abstractive summarization for long-document or multi-document remains challenging for the Seq2Seq architecture, as Seq2Seq is not good at analyzing long-distance relations in text.…

cs.CL2020★ 32 cited

UNIMO: Towards Unified-Modal Understanding and Generation via Cross-Modal Contrastive Learning

Wei Li, Can Gao, Guocheng Niu +5

Existed pre-training methods either focus on single-modal tasks or multi-modal tasks, and cannot effectively adapt to each other. They can only utilize single-modal data (i.e. text…

cs.CL2020★ 11 cited

Leveraging Graph to Improve Abstractive Multi-Document Summarization

Wei Li, Xinyan Xiao, Jiachen Liu +3

Graphs that capture relations between textual units have great benefits for detecting salient information from multiple documents and generating overall coherent summaries. In this…

cs.CL2020★ 2 cited

Exploring Contextual Word-level Style Relevance for Unsupervised Style Transfer

Chulun Zhou, Liangyu Chen, Jiachen Liu +4

Unsupervised style transfer aims to change the style of an input sentence while preserving its original content without using parallel training data. In current dominant approaches…

cs.CL2018★ 10 cited

Joint Training of Candidate Extraction and Answer Selection for Reading Comprehension

Zhen Wang, Jiachen Liu, Xinyan Xiao +2

While sophisticated neural-based techniques have been developed in reading comprehension, most approaches model the answer in an independent manner, ignoring its relations with oth…