Search Results for author: Liangming Pan

Found 43 papers, 26 papers with code

Automatic True/False Question Generation for Educational Purpose

no code implementations NAACL (BEA) 2022 Bowei Zou, Pengfei Li, Liangming Pan, Ai Ti Aw

In field of teaching, true/false questioning is an important educational method for assessing students’ general understanding of learning materials.

Fact Verification Question Generation +2

Perils of Self-Feedback: Self-Bias Amplifies in Large Language Models

no code implementations18 Feb 2024 Wenda Xu, Guanglei Zhu, Xuandong Zhao, Liangming Pan, Lei LI, William Yang Wang

Recent studies show that self-feedback improves large language models (LLMs) on certain tasks while worsens other tasks.

Mathematical Reasoning Text Generation

SciAgent: Tool-augmented Language Models for Scientific Reasoning

no code implementations18 Feb 2024 Yubo Ma, Zhibin Gou, Junheng Hao, Ruochen Xu, Shuohang Wang, Liangming Pan, Yujiu Yang, Yixin Cao, Aixin Sun, Hany Awadalla, Weizhu Chen

To make this task more practical and solvable for LLMs, we introduce a new task setting named tool-augmented scientific reasoning.

Understanding the Reasoning Ability of Language Models From the Perspective of Reasoning Paths Aggregation

1 code implementation5 Feb 2024 Xinyi Wang, Alfonso Amayuelas, Kexun Zhang, Liangming Pan, Wenhu Chen, William Yang Wang

To understand how pre-training with a next-token prediction objective contributes to the emergence of such reasoning capability, we propose that we can view an LM as deriving new conclusions by aggregating indirect reasoning paths seen at pre-training time.

Knowledge Graphs Math

Tweets to Citations: Unveiling the Impact of Social Media Influencers on AI Research Visibility

no code implementations24 Jan 2024 Iain Xie Weissburg, Mehir Arora, Xinyi Wang, Liangming Pan, William Yang Wang

As the number of accepted papers at AI and ML conferences reaches into the thousands, it has become unclear how researchers access and read research publications.

Causal Inference

Efficient Online Data Mixing For Language Model Pre-Training

no code implementations5 Dec 2023 Alon Albalak, Liangming Pan, Colin Raffel, William Yang Wang

The data used to pretrain large language models has a decisive impact on a model's downstream performance, which has led to a large body of work on data selection methods that aim to automatically determine the most suitable data to use for pretraining.

Language Modelling

A Survey on Detection of LLMs-Generated Content

1 code implementation24 Oct 2023 Xianjun Yang, Liangming Pan, Xuandong Zhao, Haifeng Chen, Linda Petzold, William Yang Wang, Wei Cheng

The burgeoning capabilities of advanced large language models (LLMs) such as ChatGPT have led to an increase in synthetic content generation with implications across a variety of sectors, including media, cybersecurity, public discourse, and education.

QACHECK: A Demonstration System for Question-Guided Multi-Hop Fact-Checking

1 code implementation11 Oct 2023 Liangming Pan, Xinyuan Lu, Min-Yen Kan, Preslav Nakov

Fact-checking real-world claims often requires complex, multi-step reasoning due to the absence of direct evidence to support or refute them.

Decision Making Fact Checking +1

Investigating Zero- and Few-shot Generalization in Fact Verification

1 code implementation18 Sep 2023 Liangming Pan, Yunxiang Zhang, Min-Yen Kan

In this paper, we explore zero- and few-shot generalization for fact verification (FV), which aims to generalize the FV model trained on well-resourced domains (e. g., Wikipedia) to low-resourced domains that lack human annotations.

Fact Verification

FOLLOWUPQG: Towards Information-Seeking Follow-up Question Generation

1 code implementation10 Sep 2023 Yan Meng, Liangming Pan, Yixin Cao, Min-Yen Kan

We introduce the task of real-world information-seeking follow-up question generation (FQG), which aims to generate follow-up questions seeking a more in-depth understanding of an initial question and answer.

Informativeness Question Generation +1

INSTRUCTSCORE: Explainable Text Generation Evaluation with Finegrained Feedback

1 code implementation23 May 2023 Wenda Xu, Danqing Wang, Liangming Pan, Zhenqiao Song, Markus Freitag, William Yang Wang, Lei LI

By harnessing both explicit human instruction and the implicit knowledge of GPT-4, we fine-tune a text evaluation metric based on LLaMA, producing both a score for generated text and a human readable diagnostic report.

Text Generation

On the Risk of Misinformation Pollution with Large Language Models

1 code implementation23 May 2023 Yikang Pan, Liangming Pan, Wenhu Chen, Preslav Nakov, Min-Yen Kan, William Yang Wang

In this paper, we comprehensively investigate the potential misuse of modern Large Language Models (LLMs) for generating credible-sounding misinformation and its subsequent impact on information-intensive applications, particularly Open-Domain Question Answering (ODQA) systems.

Misinformation Open-Domain Question Answering

Knowledge of Knowledge: Exploring Known-Unknowns Uncertainty with Large Language Models

no code implementations23 May 2023 Alfonso Amayuelas, Liangming Pan, Wenhu Chen, William Wang

This paper investigates the capabilities of Large Language Models (LLMs) in the context of understanding their own knowledge and measuring their uncertainty.

Known Unknowns

SCITAB: A Challenging Benchmark for Compositional Reasoning and Claim Verification on Scientific Tables

1 code implementation22 May 2023 Xinyuan Lu, Liangming Pan, Qian Liu, Preslav Nakov, Min-Yen Kan

Current scientific fact-checking benchmarks exhibit several shortcomings, such as biases arising from crowd-sourced claims and an over-reliance on text-based evidence.

Claim Verification Fact Checking

Fact-Checking Complex Claims with Program-Guided Reasoning

1 code implementation22 May 2023 Liangming Pan, Xiaobao Wu, Xinyuan Lu, Anh Tuan Luu, William Yang Wang, Min-Yen Kan, Preslav Nakov

Fact-checking real-world claims often requires collecting multiple pieces of evidence and applying complex multi-step reasoning.

Fact Checking In-Context Learning

Logic-LM: Empowering Large Language Models with Symbolic Solvers for Faithful Logical Reasoning

1 code implementation20 May 2023 Liangming Pan, Alon Albalak, Xinyi Wang, William Yang Wang

We also introduce a self-refinement module, which utilizes the symbolic solver's error messages to revise symbolic formalizations.

Logical Reasoning

Modeling What-to-ask and How-to-ask for Answer-unaware Conversational Question Generation

1 code implementation4 May 2023 Xuan Long Do, Bowei Zou, Shafiq Joty, Anh Tai Tran, Liangming Pan, Nancy F. Chen, Ai Ti Aw

In addition, we propose Conv-Distinct, a novel evaluation metric for CQG, to evaluate the diversity of the generated conversation from a context.

Question Generation Question-Generation +1

InfoCTM: A Mutual Information Maximization Perspective of Cross-Lingual Topic Modeling

1 code implementation7 Apr 2023 Xiaobao Wu, Xinshuai Dong, Thong Nguyen, Chaoqun Liu, Liangming Pan, Anh Tuan Luu

Instead of the direct alignment in previous work, we propose a topic alignment with mutual information method.

Topic Models

Hashtag-Guided Low-Resource Tweet Classification

1 code implementation20 Feb 2023 Shizhe Diao, Sedrick Scott Keh, Liangming Pan, Zhiliang Tian, Yan Song, Tong Zhang

Social media classification tasks (e. g., tweet sentiment analysis, tweet stance detection) are challenging because social media posts are typically short, informal, and ambiguous.

Classification Sentiment Analysis +1

Modeling and Leveraging Prerequisite Context in Recommendation

1 code implementation23 Sep 2022 Hengchang Hu, Liangming Pan, Yiding Ran, Min-Yen Kan

Prerequisites can play a crucial role in users' decision-making yet recommendation systems have not fully utilized such contextual background knowledge.

Decision Making Recommendation Systems

CoHS-CQG: Context and History Selection for Conversational Question Generation

1 code implementation COLING 2022 Xuan Long Do, Bowei Zou, Liangming Pan, Nancy F. Chen, Shafiq Joty, Ai Ti Aw

While previous studies mainly focus on how to model the flow and alignment of the conversation, there has been no thorough study to date on which parts of the context and history are necessary for the model.

Question Generation Question-Generation +1

Attacking Open-domain Question Answering by Injecting Misinformation

1 code implementation15 Oct 2021 Liangming Pan, Wenhu Chen, Min-Yen Kan, William Yang Wang

We curate both human-written and model-generated false documents that we inject into the evidence corpus of QA models and assess the impact on the performance of these systems.

Misinformation Open-Domain Question Answering

Interpreting the Robustness of Neural NLP Models to Textual Perturbations

no code implementations Findings (ACL) 2022 Yunxiang Zhang, Liangming Pan, Samson Tan, Min-Yen Kan

In this work, we test the hypothesis that the extent to which a model is affected by an unseen textual perturbation (robustness) can be explained by the learnability of the perturbation (defined as how well the model learns to identify the perturbation with a small amount of evidence).

Data Augmentation

Zero-shot Fact Verification by Claim Generation

1 code implementation ACL 2021 Liangming Pan, Wenhu Chen, Wenhan Xiong, Min-Yen Kan, William Yang Wang

However, for each new domain that requires fact verification, creating a dataset by manually writing claims and linking them to their supporting evidence is expensive.

2k Fact Verification

Exploring Question-Specific Rewards for Generating Deep Questions

1 code implementation COLING 2020 Yuxi Xie, Liangming Pan, Dongzhe Wang, Min-Yen Kan, Yansong Feng

Recent question generation (QG) approaches often utilize the sequence-to-sequence framework (Seq2Seq) to optimize the log-likelihood of ground-truth questions using teacher forcing.

Question Generation Question-Generation

Multi-modal Cooking Workflow Construction for Food Recipes

no code implementations20 Aug 2020 Liangming Pan, Jingjing Chen, Jianlong Wu, Shaoteng Liu, Chong-Wah Ngo, Min-Yen Kan, Yu-Gang Jiang, Tat-Seng Chua

Understanding food recipe requires anticipating the implicit causal effects of cooking actions, such that the recipe can be converted into a graph describing the temporal workflow of the recipe.

Common Sense Reasoning

Semantic Graphs for Generating Deep Questions

1 code implementation ACL 2020 Liangming Pan, Yuxi Xie, Yansong Feng, Tat-Seng Chua, Min-Yen Kan

This paper proposes the problem of Deep Question Generation (DQG), which aims to generate complex questions that require reasoning over multiple pieces of information of the input passage.

Question Generation Question-Generation

Recent Advances in Neural Question Generation

no code implementations22 May 2019 Liangming Pan, Wenqiang Lei, Tat-Seng Chua, Min-Yen Kan

Emerging research in Neural Question Generation (NQG) has started to integrate a larger variety of inputs, and generating questions requiring higher levels of cognition.

Question Generation Question-Generation

Resource Mention Extraction for MOOC Discussion Forums

no code implementations21 Nov 2018 Ya-Hui An, Liangming Pan, Min-Yen Kan, Qiang Dong, Yan Fu

We propose the novel problem of learning resource mention identification in MOOC forums.

Course Concept Extraction in MOOCs via Embedding-Based Graph Propagation

no code implementations IJCNLP 2017 Liangming Pan, Xiaochen Wang, Chengjiang Li, Juanzi Li, Jie Tang

Massive Open Online Courses (MOOCs), offering a new way to study online, are revolutionizing education.

Prerequisite Relation Learning for Concepts in MOOCs

no code implementations ACL 2017 Liangming Pan, Chengjiang Li, Juanzi Li, Jie Tang

What prerequisite knowledge should students achieve a level of mastery before moving forward to learn subsequent coursewares?

Relation Representation Learning

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