Papers by Duyu Tang

31 papers
UserAdapter: Few-Shot User Learning in Sentiment Analysis (2021.findings-acl)

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Challenge: Adapting a model to a handful of personalized data is challenging, authors say . standard fine-tuning requires hundreds of millions of parameters for each user .
Approach: They propose a lightweight method that clamps millions of parameters of a Transformer model and optimizes a tiny user-specific vector.
Outcome: The proposed method improves accuracy on Yelp and IMDB datasets and reduces the number of parameters added for each user.
WhiteningBERT: An Easy Unsupervised Sentence Embedding Approach (2021.findings-emnlp)

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Challenge: Pre-trained language models perform well on learning sentence semantics when fine-tuned with supervised data.
Approach: They conduct a thorough examination of pretrained model based unsupervised sentence embeddings.
Outcome: The proposed approach improves on whitening-based vector normalization with less than 10 lines of code.
Evidence-Aware Inferential Text Generation with Vector Quantised Variational AutoEncoder (2020.acl-main)

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Challenge: Existing approaches for inferential text generation ignore context that is not explicitly provided . Existing models ignore background knowledge that provides crucial evidence to generate inferences .
Approach: They propose an approach that automatically finds evidence for an event from a large text corpus and leverages it to guide the generation of inferential texts.
Outcome: The proposed model generates inferential texts from a large text corpus and uses evidence to guide it.
CoSQA: 20,000+ Web Queries for Code Search and Question Answering (2021.acl-long)

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Challenge: Using deep neural networks to find codes is difficult . we present a dataset that includes 20,604 labels for natural language queries and codes .
Approach: They introduce a contrastive learning method to enhance text-code matching . they find that CoSQA improves the accuracy of code question answering by 5.1% .
Outcome: The proposed method improves the accuracy of code question answering by 5.1% and improves by 10.5% on a CodeBERT model.
Question Generation from SQL Queries Improves Neural Semantic Parsing (D18-1)

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Challenge: Using question generation, we learn a semantic parser with 30% of the supervised training data.
Approach: They propose to use question generation to learn a semantic parser with less supervised training data.
Outcome: The proposed method improves the state-of-the-art model with less training data.
Asking Clarification Questions in Knowledge-Based Question Answering (D19-1)

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Challenge: Existing clarification datasets with limited annotated examples do not address ambiguous phenomena.
Approach: They propose a dataset that allows users to ask clarification questions using open-domain examples.
Outcome: The proposed model achieves better performance than strong baselines and provides new challenges.
Logic-Driven Context Extension and Data Augmentation for Logical Reasoning of Text (2022.findings-acl)

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Challenge: Existing methods for logical reasoning of text focus on contextual semantics while struggling to explicitly model the logical inference process.
Approach: They propose a logic-driven context extension framework and a data-driven augmentation algorithm that uses contrastive learning to better capture logical information.
Outcome: The proposed framework outperforms existing methods on two benchmark datasets, ReClor and LogiQA.
Tool Zero: Training Tool-Augmented LLMs via Pure RL from Scratch (2025.findings-emnlp)

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Challenge: Experimental results demonstrate that our models achieve over 7% performance improvement compared to both SFT and RL-with-SFT models under the same experimental settings.
Approach: They propose a dynamic generalization-guided reward design for rule-based RL that shifts rewards from exploratory to exploitative tool-use patterns.
Outcome: The proposed model achieves over 7% performance improvement compared to SFT and RL-with-SFT models under the same experimental settings.
CLAIM: Mitigating Multilingual Object Hallucination in Large Vision-Language Models with Cross-Lingual Attention Intervention (2025.acl-long)

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Challenge: Large Vision-Language Models (LVLMs) have impressive multimodal abilities but remain prone to multilingual object hallucination.
Approach: They propose a cross-lingual attention intervention method to mitigate multilingual object hallucination in LVLMs by aligning attention patterns.
Outcome: The proposed method improves 13.56% (up to 30%) on the POPE and 21.75% on the hallucination subsets across languages.
Exploring and Adapting Chinese GPT to Pinyin Input Method (2022.acl-long)

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Challenge: a frozen GPT can generate state-of-the-art performance on perfect pinyin, but performance drops when input includes abbreviated pinyan, which links to even larger number of Chinese characters.
Approach: They propose to use Chinese GPT to generate fluent sentences using abbreviated pinyin.
Outcome: The proposed approach improves on abbreviated pinyin across all domains.
Multi-Task Learning for Conversational Question Answering over a Large-Scale Knowledge Base (D19-1)

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Challenge: Recent approaches to handle large knowledge base decompose tasks into subtasks and solve them sequentially.
Approach: They propose a multi-task learning framework that resolves coreference in conversations . they propose enabling shared supervisions and type-aware entity detection model .
Outcome: The proposed framework improves overall F1 score from 67% to 79% on a large-scale conversational question answering dataset.
Reasoning Over Semantic-Level Graph for Fact Checking (2020.acl-main)

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Challenge: Existing methods for fact checking use string concatenation or fusing features of isolated evidence sentences.
Approach: They propose a method suitable for reasoning about the semantic-level structure of evidence . they use graph convolutional network and graph attention network to exploit the structure .
Outcome: The proposed method improves claim verification accuracy and FEVER score on a benchmark dataset.
K-Adapter: Infusing Knowledge into Pre-Trained Models with Adapters (2021.findings-acl)

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Challenge: Existing methods for injecting knowledge into pre-trained models are inconsistent and can flush out knowledge when multiple kinds of knowledge are injected.
Approach: They propose a framework that retains the original parameters of pre-trained models fixed and supports the development of versatile knowledge-infused models.
Outcome: The proposed framework retains the original parameters of the pre-trained model fixed and supports the development of versatile knowledge-infused models.
Improved Visual Story Generation with Adaptive Context Modeling (2023.findings-acl)

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Challenge: a recent work shows that diffusion models generate images of high resolution and semantic consistency to text prompts.
Approach: They propose a method that uses adaptive context modeling to improve leading system . they evaluate their method on pororoSV and FlintstonesSV datasets .
Outcome: The proposed method achieves state-of-the-art FID scores on pororo and Flintstones datasets.
CodeBERT: A Pre-Trained Model for Programming and Natural Languages (2020.findings-emnlp)

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Challenge: Large pre-trained models have improved performance on a variety of natural language processing tasks.
Approach: They develop a bimodal pre-trained model for programming language (PL) and natural language (NL) it incorporates a hybrid objective function that detects replaced tokens from generators.
Outcome: The proposed model performs better on two NL-PL applications by fine-tuning model parameters.
Semantic Parsing with Syntax- and Table-Aware SQL Generation (P18-1)

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Challenge: Existing approaches generate a SQL query word-by-word but results are incorrect or not executable due to mismatch between question words and table contents.
Approach: They propose a generative model to map natural language questions into SQL queries.
Outcome: The proposed model significantly improves state-of-the-art execution accuracy from 69.0% to 74.4% on a large question- SQL dataset.
Syntax-Enhanced Pre-trained Model (2021.acl-long)

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Challenge: Existing methods that use syntax of text in pre-training and fine-tuning suffer from discrepancy between the two stages.
Approach: They propose a model that utilizes the syntactic structure of text in pre-training and fine-tuning stages.
Outcome: The proposed model achieves state-of-the-art on six public benchmark datasets.
Effidit: An Assistant for Improving Writing Efficiency (2023.acl-demo)

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Challenge: Effidit is a digital writing assistant that provides three modules to help users write faster and more efficiently.
Approach: They present Effidit, a digital writing assistant that provides three modules to help users write higher-quality text more efficiently.
Outcome: Effidit expands the capabilities of a typical writing assistant by providing three modules . Effit can help users create their own text faster and more efficiently .
Android in the Zoo: Chain-of-Action-Thought for GUI Agents (2024.findings-emnlp)

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Challenge: Existing studies on large language models (LLMs) focus on the semantics of smartphone operations.
Approach: They propose a large language model (LLM) which predicts a sequence of actions of API by analyzing past actions and visual observations.
Outcome: The proposed model improves the prediction of actions on a zero-shot Android-In-The-Zoo dataset compared to previous models .
Coupling Retrieval and Meta-Learning for Context-Dependent Semantic Parsing (P19-1)

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Challenge: a context-aware retrieval model and a meta-learning paradigm are used for context-dependent semantic parsing .
Approach: They propose a retrieval model and a meta-learner to incorporate retrieved datapoints as context-dependent semantic parsing evidence.
Outcome: The proposed approach performs better than retrieve-and-edit baselines on CONCODE and CSQA datasets.
Analytical Reasoning of Text (2022.findings-naacl)

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Challenge: Existing models with implicit reasoning ability struggle to solve analytical reasoning of text.
Approach: They propose an approach to analyze text and use it to perform reasoning over it.
Outcome: The proposed approach outperforms pre-trained models on an analysis of the Law School Admission Test dataset.
Neural Deepfake Detection with Factual Structure of Text (2020.emnlp-main)

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Challenge: Existing approaches to deepfake detection typically represent documents with coarse-grained representations, but they struggle to capture factual structures of documents.
Approach: They propose a graph-based model that captures factual structures of documents for deepfake detection.
Outcome: The proposed model improves strong base models built with RoBERTa on two public deepfake datasets.
LogicalFactChecker: Leveraging Logical Operations for Fact Checking with Graph Module Network (2020.acl-main)

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Challenge: Existing methods for fact checking textual statements are not yet available.
Approach: They propose a neural network approach capable of leveraging logical operations for fact checking . they use a textual statement and semi-structured tables to generate a program from it .
Outcome: The proposed approach achieves state-of-the-art performance on TABFACT dataset . it derives a program (a.k.a. logical form) of the statement in semantic parsing manner .
“Is Whole Word Masking Always Better for Chinese BERT?”: Probing on Chinese Grammatical Error Correction (2022.findings-acl)

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Challenge: a Chinese model with whole word masking has no subword because each token is an atomic character.
Approach: They propose to use whole word masking to mask all subwords corresponding to a word at once . they ask models to revise or insert tokens in a masked language modeling manner .
Outcome: The proposed model performs better when one character is inserted or replaced . the model trained with standard character-level masking performs best when one token is masked .
Compare to The Knowledge: Graph Neural Fake News Detection with External Knowledge (2021.acl-long)

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Challenge: Existing methods for fake news detection rely on linguistic and semantic features from news content and do not exploit external knowledge.
Approach: They propose a graph neural model which compares news to knowledge base through entities for fake news detection.
Outcome: The proposed model significantly outperforms state-of-the-art methods on two benchmark datasets.
Learning to Collaborate for Question Answering and Asking (N18-1)

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Challenge: Question answering (QA) and question generation (QG) are closely related tasks.
Approach: They propose a training algorithm that generalizes both Generative Adversarial Network and Generating Domain-Adaptive Nets under the question answering scenario.
Outcome: The proposed training algorithm generalizes both Generative Adversarial Network (GAN) and Generating Domain-Adaptive Nets (GDAN) under the question answering scenario.
CC-Tuning: A Cross-Lingual Connection Mechanism for Improving Joint Multilingual Supervised Fine-Tuning (2025.acl-long)

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Challenge: Existing fine-tuning approaches that focus on English-centric training corpora often introduce implicit cross-lingual alignment, overlooking the potential for more profound, latent-level cross-linguistic interactions.
Approach: They propose a multilingual fine-tuning paradigm that explicitly establishes a cross-lingual connection mechanism at the latent level.
Outcome: The proposed model outperforms vanilla SFT and offers a strong latent-level alternative to data-level augmentation methods.
Leveraging Declarative Knowledge in Text and First-Order Logic for Fine-Grained Propaganda Detection (2020.emnlp-main)

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Challenge: Existing methods for fine-grained propaganda detection are not based on input-output data, but instead use declarative knowledge to detect propagandistic text fragments.
Approach: They propose a method to inject declarative knowledge of fine-grained propaganda techniques into training data to get better representations of propagandistic texts.
Outcome: The proposed method achieves superior performance on a large dataset for propaganda detection.
iTool: Reinforced Fine-Tuning with Dynamic Deficiency Calibration for Advanced Tool Use (2025.emnlp-main)

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Challenge: Synthesizing tool-use data through real-world simulations is effective for enhancing large language models (LLMs) however, training gains decay as synthetic data increases, and the model struggles to benefit from more synthetic data.
Approach: They propose an iterative reinforced fine-tuning strategy to improve LLMs with external tools to augment their capabilities.
Outcome: The proposed method achieves 13.11% better performance than the same-size base model and outperforms larger open-source and closed-source models.
Learning Fine-Grained Grounded Citations for Attributed Large Language Models (2024.findings-acl)

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Challenge: despite impressive performance, large language models still struggle with hallucinations . current approaches suffer from suboptimal citation quality due to reliance on in-context learning .
Approach: They propose a framework that teaches large language models to generate fine-grained citations.
Outcome: The proposed framework outperforms all baselines on the ALCE benchmark and achieves an average improvement of 14.21% in citation quality.
Machine Reasoning: Technology, Dilemma and Future (2020.emnlp-tutorials)

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Challenge: Machine reasoning is a field of research that aims to build interpretable AI systems . Symbolic reasoning methods represent knowledge using symbolic logic, perform inference . probabilistic reasoning methods combine probability and symbolic logic into a unified model .
Approach: This tutorial introduces machine reasoning frameworks and aims to define them . it will show how they can be used to build interpretable AI systems .
Outcome: This tutorial aims to show how machine reasoning frameworks perform in real-world scenarios.

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