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Wenhu Chen

84 accepted papers

2026

Bad Seeing or Bad Thinking? Rewarding Perception for Multimodal Reasoning

ICML 2026oral

Achieving robust perception-reasoning synergy is a central goal for advanced Vision-Language Models (VLMs). Recent advancements have pursued this goal via architectural designs or agentic workflows. However, these approaches are often limited by static textual reasoning or complicated by the signifi…

Cited by 0SourceScholar
2026

Context Forcing: Consistent Autoregressive Video Generation with Long Context

ICML 2026poster

Recent approaches to real-time long video generation typically employ streaming tuning strategies, attempting to train a long-context student using a short-context (memoryless) teacher. In these frameworks, the student performs long rollouts but receives supervision from a teacher limited to short 5…

Cited by 32SourceScholar
2026

Critique-Coder: Enhancing Coder Models by Critique Reinforcement Learning

ICLR 2026poster

Reinforcement Learning (RL) has emerged as a popular training paradigm, particularly when paired with reasoning models. While effective, it primarily focuses on generating responses and lacks mechanisms to explicitly foster critique or reflection. Several recent studies, like Critique-Fine-Tuning (C…

Cited by 0SourcecodeScholar
2026

EditReward: A Human-Aligned Reward Model for Instruction-Guided Image Editing

ICLR 2026poster

Recently, we have witnessed great progress in image editing with natural language instructions. Several closed-source models like GPT-Image-1, Seedream, and Google-Nano-Banana have shown highly promising progress. However, the open-source models are still lagging. The main bottleneck is the lack of…

Cited by 0SourcecodeScholar
2026

Emergent Hierarchical Reasoning in LLMs through Reinforcement Learning

ICLR 2026poster

Reinforcement Learning (RL) has proven highly effective at enhancing the complex reasoning abilities of Large Language Models (LLMs), yet underlying mechanisms driving this success remain largely opaque. Our analysis reveals that puzzling phenomena like ``aha moments", ``length-scaling'' and entropy…

Cited by 0SourcecodeScholar
2026

ImagenWorld: Stress-Testing Image Generation Models with Explainable Human Evaluation on Open-ended Real-World Tasks

ICLR 2026poster

Advances in diffusion, autoregressive, and hybrid models have enabled high-quality image synthesis for tasks such as text-to-image, editing, and reference-guided composition. Yet, existing benchmarks remain limited, either focus on isolated tasks, cover only narrow domains, or provide opaque scores…

Cited by 0SourcecodeScholar
2026

Multi-Crit: Benchmarking Multimodal Judges on Pluralistic Criteria-Following

CVPR 2026

Large multimodal models (LMMs) are increasingly adopted as judges in multimodal evaluation systems due to their strong instruction following and consistency with human preferences. However, their ability to follow diverse, fine-grained evaluation criteria remains underexplored. We develop Multi-Crit

Cited by 0SourcecodeScholar
2026

NeuralOS: Towards Simulating Operating Systems via Neural Generative Models

ICLR 2026poster

We introduce NeuralOS, a neural framework that simulates graphical user interfaces (GUIs) of operating systems by directly predicting screen frames in response to user inputs such as mouse movements, clicks, and keyboard events. NeuralOS combines a recurrent neural network (RNN), which tracks the co…

Cited by 0SourcecodeScholar
2026

ReVSI: Rebuilding Visual Spatial Intelligence Evaluation for Accurate Assessment of VLM 3D Reasoning

ICML 2026poster

Current evaluations of spatial intelligence can be systematically invalid under modern vision-language model (VLM) settings. First, many benchmarks derive question-answer (QA) pairs from point-cloud-based 3D annotations originally curated for traditional 3D perception. When such annotations are trea…

Cited by 0SourceScholar
2026

TUNA: Taming Unified Visual Representations for Native Unified Multimodal Models

CVPR 2026

Unified multimodal models (UMMs) aim to jointly perform multimodal understanding and generation within a single framework. We present TUNA, a native UMM that builds a unified continuous visual representation by cascading a VAE encoder with a representation encoder. This unified representation space

Cited by 0SourceScholar
2026

VOGUE: Unified Understanding, Generation, and Editing for Videos

ICLR 2026poster

Unified multimodal understanding–generation models have shown promising results in image generation and editing, but remain largely constrained to the image domain. In this work, we present VOGUE, a versatile framework that extends unified modeling to the video domain. VOGUE adopts a dual-stream des…

Cited by 0SourcecodeScholar
2026

VisCoder2: Building Multi-Language Visualization Coding Agents

ICLR 2026poster

Large language models (LLMs) have recently enabled coding agents capable of generating, executing, and revising visualization code. However, existing models often fail in practical workflows due to limited language coverage, unreliable execution, and lack of iterative correction mechanisms. Progress…

Cited by 0SourceScholar
2026

YuE: Scaling Open Foundation Models for Long-Form Music Generation

ICLR 2026poster

We tackle the task of long-form music generation, particularly the challenging \textbf{lyrics-to-song} problem, by introducing \textbf{YuE (乐)}, a family of open-source music generation foundation models. Specifically, YuE scales to trillions of tokens and generates up to five minutes of music while…

Cited by 0SourcecodeScholar
2025

ACECODER: Acing Coder RL via Automated Test-Case Synthesis

ACL 2025long

Most progress in recent coder models has been driven by supervised fine-tuning (SFT), while the potential of reinforcement learning (RL) remains largely unexplored, primarily due to the lack of reliable reward data/model in the code domain. In this paper, we address this challenge by leveraging auto…

Cited by 0SourcePDFScholar
2025

Breaking the Batch Barrier (B3) of Contrastive Learning via Smart Batch Mining

NeurIPS 2025spotlight

Contrastive learning (CL) is a prevalent technique for training embedding models, which pulls semantically similar examples (positives) closer in the representation space while pushing dissimilar ones (negatives) further apart. A key source of negatives are "in-batch" examples, i.e., positives from…

Cited by 0SourcecodeScholar
2025

General-Reasoner: Advancing LLM Reasoning Across All Domains

NeurIPS 2025poster

Reinforcement learning (RL) has recently demonstrated strong potential in enhancing the reasoning capabilities of large language models (LLMs). Particularly, the "Zero" reinforcement learning introduced by Deepseek-R1-Zero, enables direct RL training of base LLMs without relying on an intermediate s…

Cited by 0SourceScholar
2025

Harnessing Webpage UIs for Text-Rich Visual Understanding

ICLR 2025poster

Text-rich visual understanding—the ability to interpret both textual content and visual elements within a scene—is crucial for multimodal large language models (MLLMs) to effectively interact with structured environments. We propose leveraging webpage UIs as a naturally structured and diverse data s…

Cited by 3SourcePDFScholar
2025

MAmmoTH-VL: Eliciting Multimodal Reasoning with Instruction Tuning at Scale

ACL 2025long

Open-source multimodal large language models (MLLMs) have shown significant potential in a broad range of tasks. However, their reasoning capabilities remain constrained by existing instruction-tuning datasets, which were predominately repurposed from academic datasets such as VQA, AI2D, and ChartQA…

Cited by 0SourcePDFScholar
2025

MEGA-Bench: Scaling Multimodal Evaluation to over 500 Real-World Tasks

ICLR 2025poster

We present MEGA-Bench, an evaluation suite that scales multimodal evaluation to over 500 real-world tasks, to address the highly heterogeneous daily use cases of end users. Our objective is to optimize for a set of high-quality data samples that cover a highly diverse and rich set of multimodal task…

2025

MMMU-Pro: A More Robust Multi-discipline Multimodal Understanding Benchmark

ACL 2025long

This paper introduces MMMU-Pro, a robust version of the Massive Multi-discipline Multimodal Understanding and Reasoning (MMMU) benchmark. MMMU-Pro rigorously assesses multimodal models’ true understanding and reasoning capabilities through a three-step process based on MMMU: (1) filtering out questi…

Cited by 0SourcePDFScholar
2025

MoCha: Towards Movie-Grade Talking Character Generation

NeurIPS 2025spotlight

Recent advancements in video generation have achieved impressive motion realism, yet they often overlook character-driven storytelling, a crucial task for automated film, animation generation. We introduce Talking Characters, a more realistic task to generate talking character animations directly f…

Cited by 0SourceScholar
2025

OmniEdit: Building Image Editing Generalist Models Through Specialist Supervision

ICLR 2025poster

Instruction-guided image editing methods have demonstrated significant potential by training diffusion models on automatically synthesized or manually annotated image editing pairs. However, these methods remain far from practical, real-life applications. We identify three primary challenges contrib…

Cited by 10SourcePDFScholar
2025

Pixel Reasoner: Incentivizing Pixel Space Reasoning via Curiosity-Driven Reinforcement Learning

NeurIPS 2025poster

Chain-of-thought reasoning has significantly improved the performance of Large Language Models (LLMs) across various domains. However, this reasoning process has been confined exclusively to textual space, limiting its effectiveness in visually intensive tasks. To address this limitation, we introdu…

Cited by 0SourceScholar
2025

T2V-Turbo-v2: Enhancing Video Model Post-Training through Data, Reward, and Conditional Guidance Design

ICLR 2025poster

In this paper, we focus on enhancing a diffusion-based text-to-video (T2V) model during the post-training phase by distilling a highly capable consistency model from a pretrained T2V model. Our proposed method, T2V-Turbo-v2, introduces a significant advancement by integrating various supervision sig…

Cited by 17SourcePDFScholar
2025

TC-Bench: Benchmarking Temporal Compositionality in Conditional Video Generation

ACL 2025finding

Video generation has many unique challenges beyond those of image generation. The temporal dimension introduces extensive possible variations across frames, over which consistency and continuity may be violated. In this work, we evaluate the emergence of new concepts and relation transitions as time…

Cited by 0SourcePDFScholar
2025

TheoremExplainAgent: Towards Video-based Multimodal Explanations for LLM Theorem Understanding

ACL 2025long

Understanding domain-specific theorems often requires more than just text-based reasoning; effective communication through structured visual explanations is crucial for deeper comprehension. While large language models (LLMs) demonstrate strong performance in text-based theorem reasoning, their abil…

Cited by 0SourcePDFScholar
2025

UniRAG: Universal Retrieval Augmentation for Large Vision Language Models

NAACL 2025findings

Recently, Large Vision Language Models (LVLMs) have unlocked many complex use cases that require Multi-Modal (MM) understanding (e.g., image captioning or visual question answering) and MM generation (e.g., text-guided image generation or editing) capabilities. To further improve the output fidelity…

2025

Unleashing the Reasoning Potential of LLMs by Critique Fine-Tuning on One Problem

EMNLP 2025

Critique Fine-Tuning (CFT) has recently emerged as a promising paradigm for unlocking the reasoning capabilities of large language models (LLMs). In this work, we introduce one-shot CFT, a highly compute-efficient approach that leverages critique data generated from a single math problem. Remarkably

Cited by 0SourcePDFScholar
2025

VISA: Retrieval Augmented Generation with Visual Source Attribution

ACL 2025long

Generation with source attribution is important for enhancing the verifiability of retrieval-augmented generation (RAG) systems. However, existing approaches in RAG primarily link generated content to document-level references, making it challenging for users to locate evidence among multiple conten…

2025

VISTA: Enhancing Long-Duration and High-Resolution Video Understanding by Video Spatiotemporal Augmentation

CVPR 2025poster

Current large multimodal models (LMMs) face significant challenges in processing and comprehending long-duration or high-resolution videos, which is mainly due to the lack of high-quality datasets. To address this issue from a data-centric perspective, we propose VISTA, a simple yet effective video…

Cited by 4SourcePDFScholar
2025

VL-Rethinker: Incentivizing Self-Reflection of Vision-Language Models with Reinforcement Learning

NeurIPS 2025spotlight

Recently, slow-thinking systems like GPT-o1 and DeepSeek-R1 have demonstrated great potential in solving challenging problems through explicit reflection. They significantly outperform the best fast-thinking models, such as GPT-4o, on various math and science benchmarks. However, their multimodal re…

Cited by 0SourceScholar
2025

VLM2Vec: Training Vision-Language Models for Massive Multimodal Embedding Tasks

ICLR 2025poster

Embedding models play a crucial role in a variety of downstream tasks, including semantic similarity, information retrieval, and clustering. While there has been a surge of interest in developing universal text embedding models that generalize across tasks (e.g., MTEB), progress in learning universa…

Cited by 18SourcePDFScholar
2025

Vamba: Understanding Hour-Long Videos with Hybrid Mamba-Transformers

ICCV 2025poster

State-of-the-art transformer-based large multimodal models (LMMs) struggle to handle hour-long video inputs due to the quadratic complexity of the causal self-attention operations, leading to high computational costs during training and inference. Existing token compression-based methods reduce the…

Cited by 0SourcePDFScholar
2025

VisCoder: Fine-Tuning LLMs for Executable Python Visualization Code Generation

EMNLP 2025

Large language models (LLMs) often struggle with visualization tasks like plotting diagrams, charts, where success depends on both code correctness and visual semantics. Existing instruction-tuning datasets lack execution-grounded supervision and offer limited support for iterative code correction,

Cited by 0SourcePDFScholar
2025

VisualWebInstruct: Scaling up Multimodal Instruction Data through Web Search

EMNLP 2025

Vision-Language Models have made significant progress on many perception-focused tasks. However, their progress on reasoning-focused tasks remains limited due to the lack of high-quality and diverse training data. In this work, we aim to address the scarcity of reasoning-focused multimodal datasets.

Cited by 0SourcePDFScholar
2024

Augmenting Black-box LLMs with Medical Textbooks for Biomedical Question Answering

EMNLP 2024finding

Large-scale language models (LLMs) like ChatGPT have demonstrated impressive abilities in generating responses based on human instructions. However, their use in the medical field can be challenging due to their lack of specific, in-depth knowledge. In this study, we present a system called LLMs Aug…

Cited by 5SourcePDFScholar
2024

ChatMusician: Understanding and Generating Music Intrinsically with LLM

ACL 2024findings

While LLMs demonstrate impressive capabilities in musical knowledge, we find that music reasoning is still an unsolved task.We introduce ChatMusician, an open-source large language model (LLM) that integrates intrinsic musical abilities. It is based on continual pre-training and finetuning LLaMA2 on…

2024

E2-LLM: Efficient and Extreme Length Extension of Large Language Models

ACL 2024findings

Training Large Language Models (LLMs) to process extensive context lengths incurs prohibitive computational costs. Prevailing techniques for extending context capabilities in LLMs typically require not only additional training procedures but also access to datasets with long context (e.g., sequences…

Cited by 23SourcePDFScholar
2024

GenAI Arena: An Open Evaluation Platform for Generative Models

NeurIPS 2024poster

Generative AI has made remarkable strides to revolutionize fields such as image and video generation. These advancements are driven by innovative algorithms, architecture, and data. However, the rapid proliferation of generative models has highlighted a critical gap: the absence of trustworthy evalu…

Cited by 18SourcePDFScholar
2024

ImagenHub: Standardizing the evaluation of conditional image generation models

ICLR 2024poster

Recently, a myriad of conditional image generation and editing models have been developed to serve different downstream tasks, including text-to-image generation, text-guided image editing, subject-driven image generation, control-guided image generation, etc. However, we observe huge inconsistencie…

Cited by 39SourcePDFScholar
2024

Instruct-Imagen: Image Generation with Multi-modal Instruction

CVPR 2024poster

This paper presents Instruct-Imagen a model that tackles heterogeneous image generation tasks and generalizes across unseen tasks. We introduce multi-modal instruction for image generation a task representation articulating a range of generation intents with precision. It uses natural language to am…

Cited by 42SourcePDFScholar
2024

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

ACL 2024findings

This paper investigates the capabilities of Large Language Models (LLMs) in understanding their knowledge and uncertainty over questions. Specifically, we focus on addressing known-unknown questions, characterized by high uncertainty due to the absence of definitive answers. To facilitate our study,…

2024

Kosmos-G: Generating Images in Context with Multimodal Large Language Models

ICLR 2024poster

Recent advancements in subject-driven image generation have made significant strides. However, current methods still fall short in diverse application scenarios, as they require test-time tuning and cannot accept interleaved multi-image and text input. These limitations keep them far from the ultima…

2024

MAmmoTH: Building Math Generalist Models through Hybrid Instruction Tuning

ICLR 2024spotlight

We introduce MAmmoTH, a series of open-source large language models (LLMs) specifically tailored for general math problem-solving. The MAmmoTH models are trained on MathInstruct, our meticulously curated instruction tuning dataset. MathInstruct is compiled from 13 math datasets with intermediate rat…

Cited by 332SourcePDFScholar
2024

MERT: Acoustic Music Understanding Model with Large-Scale Self-supervised Training

ICLR 2024poster

Self-supervised learning (SSL) has recently emerged as a promising paradigm for training generalisable models on large-scale data in the fields of vision, text, and speech. Although SSL has been proven effective in speech and audio, its application to music audio has yet to be thoroughly explored.…

2024

MMLU-Pro: A More Robust and Challenging Multi-Task Language Understanding Benchmark

NeurIPS 2024spotlight

In the age of large-scale language models, benchmarks like the Massive Multitask Language Understanding (MMLU) have been pivotal in pushing the boundaries of what AI can achieve in language comprehension and reasoning across diverse domains. However, as models continue to improve, their performance…

Cited by 269SourcePDFScholar
2024

MMMU: A Massive Multi-discipline Multimodal Understanding and Reasoning Benchmark for Expert AGI

CVPR 2024poster

We introduce MMMU: a new benchmark designed to evaluate multimodal models on massive multi-discipline tasks demanding college-level subject knowledge and deliberate reasoning. MMMU includes 11.5K meticulously collected multimodal questions from college exams quizzes and textbooks covering six core d…

2024

MagicLens: Self-Supervised Image Retrieval with Open-Ended Instructions

ICML 2024oral

Image retrieval, i.e., finding desired images given a reference image, inherently encompasses rich, multi-faceted search intents that are difficult to capture solely using image-based measures. Recent works leverage text instructions to allow users to more freely express their search intents. Howeve…

2024

MusiLingo: Bridging Music and Text with Pre-trained Language Models for Music Captioning and Query Response

NAACL 2024findings

Large Language Models (LLMs) have shown immense potential in multimodal applications, yet the convergence of textual and musical domains remains not well-explored. To address this gap, we present MusiLingo, a novel system for music caption generation and music-related query responses. MusiLingo empl…

2024

OpenCodeInterpreter: Integrating Code Generation with Execution and Refinement

ACL 2024findings

The introduction of large language models has significantly advanced code generation. However, open-source models often lack the execution capabilities and iterative refinement of advanced systems like the GPT-4 Code Interpreter. To address this, we introduce OpenCodeInterpreter, a family of open-so…

Cited by 127SourcePDFScholar
2024

SciMMIR: Benchmarking Scientific Multi-modal Information Retrieval

ACL 2024findings

Multi-modal information retrieval (MMIR) is a rapidly evolving field where significant progress has been made through advanced representation learning and cross-modality alignment research, particularly in image-text pairing.However, current benchmarks for evaluating MMIR performance on image-text p…

2024

T2V-Turbo: Breaking the Quality Bottleneck of Video Consistency Model with Mixed Reward Feedback

NeurIPS 2024poster

Diffusion-based text-to-video (T2V) models have achieved significant success but continue to be hampered by the slow sampling speed of their iterative sampling processes. To address the challenge, consistency models have been proposed to facilitate fast inference, albeit at the cost of sample qualit…

2024

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

ICML 2024poster

Pre-trained language models (LMs) are able to perform complex reasoning without explicit fine-tuning. 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 aggr…

2024

UniIR: Training and Benchmarking Universal Multimodal Information Retrievers

ECCV 2024oral

"Existing information retrieval (IR) models often assume a homogeneous format, limiting their applicability to diverse user needs, such as searching for images with text descriptions, searching for a news article with a headline image, or finding a similar photo with a query image. To approach such…

Cited by 59SourcePDFScholar
2024

Unifying Multimodal Retrieval via Document Screenshot Embedding

EMNLP 2024main

In the real world, documents are organized in different formats and varied modalities. Traditional retrieval pipelines require tailored document parsing techniques and content extraction modules to prepare input for indexing. This process is tedious, prone to errors, and has information loss. To thi…

Cited by 16SourcePDFScholar
2024

VIEScore: Towards Explainable Metrics for Conditional Image Synthesis Evaluation

ACL 2024long

In the rapidly advancing field of conditional image generation research, challenges such as limited explainability lie in effectively evaluating the performance and capabilities of various models. This paper introduces VIEScore, a Visual Instruction-guided Explainable metric for evaluating any condi…

2024

VideoScore: Building Automatic Metrics to Simulate Fine-grained Human Feedback for Video Generation

EMNLP 2024main

The recent years have witnessed great advances in video generation. However, the development of automatic video metrics is lagging significantly behind. None of the existing metric is able to provide reliable scores over generated videos. The main barrier is the lack of large-scale human-annotated d…

2024

WildVision: Evaluating Vision-Language Models in the Wild with Human Preferences

NeurIPS 2024poster

Recent breakthroughs in vision-language models (VLMs) emphasize the necessity of benchmarking human preferences in real-world multimodal interactions. To address this gap, we launched WildVision-Arena (WV-Arena), an online platform that collects human preferences to evaluate VLMs. We curated WV-Benc…

Cited by 32SourcePDFScholar
2023

DePlot: One-shot visual language reasoning by plot-to-table translation

ACL 2023findings

Visual language such as charts and plots is ubiquitous in the human world. Comprehending plots and charts requires strong reasoning skills. Prior state-of-the-art (SOTA) models require at least tens of thousands of training examples and their reasoning capabilities are still much limited, especially…

2023

EDIS: Entity-Driven Image Search over Multimodal Web Content

EMNLP 2023long main

Making image retrieval methods practical for real-world search applications requires significant progress in dataset scales, entity comprehension, and multimodal information fusion. In this work, we introduce Entity-Driven Image Search (EDIS), a challenging dataset for cross-modal image search in th…

Cited by 0SourcecodeScholar
2023

Few-shot In-context Learning on Knowledge Base Question Answering

ACL 2023long

Question answering over knowledge bases is considered a difficult problem due to the challenge of generalizing to a wide variety of possible natural language questions. Additionally, the heterogeneity of knowledge base schema items between different knowledge bases often necessitates specialized tra…

2023

MagicBrush: A Manually Annotated Dataset for Instruction-Guided Image Editing

NeurIPS 2023poster

Text-guided image editing is widely needed in daily life, ranging from personal use to professional applications such as Photoshop. However, existing methods are either zero-shot or trained on an automatically synthesized dataset, which contains a high volume of noise. Thus, they still require lots…

2023

On the Risk of Misinformation Pollution with Large Language Models

EMNLP 2023long findings

We 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. We establish a threat model and simulate potential m…

Cited by 0SourcecodeScholar
2023

QA Is the New KR: Question-Answer Pairs as Knowledge Bases

AAAI 2023technical

We propose a new knowledge representation (KR) based on knowledge bases (KBs) derived from text, based on question generation and entity linking. We argue that the proposed type of KB has many of the key advantages of a traditional symbolic KB: in particular, it consists of small modular components…

Cited by 8SourcePDFScholar
2023

Re-Imagen: Retrieval-Augmented Text-to-Image Generator

ICLR 2023poster

Research on text-to-image generation has witnessed significant progress in generating diverse and photo-realistic images, driven by diffusion and auto-regressive models trained on large-scale image-text data. Though state-of-the-art models can generate high-quality images of common entities, they of…

Cited by 198SourcePDFScholar
2023

Subject-driven Text-to-Image Generation via Apprenticeship Learning

NeurIPS 2023poster

Recent text-to-image generation models like DreamBooth have made remarkable progress in generating highly customized images of a target subject, by fine-tuning an ``expert model'' for a given subject from a few examples. However, this process is expensive, since a new expert model must be learned fo…

Cited by 193SourcePDFScholar
2023

TheoremQA: A Theorem-driven Question Answering Dataset

EMNLP 2023long main

The recent LLMs like GPT-4 and PaLM-2 have made tremendous progress in solving fundamental math problems like GSM8K by achieving over 90% accuracy. However, their capabilities to solve more challenging math problems which require domain-specific knowledge (i.e. theorem) have yet to be investigated.…

Cited by 0SourcecodeScholar
2022

Controllable Dialogue Simulation with In-context Learning

EMNLP 2022finding

Building dialogue systems requires a large corpus of annotated dialogues. Such datasets are usually created via crowdsourcing, which is expensive and time-consuming. In this paper, we propose Dialogic, a novel dialogue simulation method based on large language model in-context learning to automate d…

2022

HybriDialogue: An Information-Seeking Dialogue Dataset Grounded on Tabular and Textual Data

ACL 2022findings

A pressing challenge in current dialogue systems is to successfully converse with users on topics with information distributed across different modalities. Previous work in multiturn dialogue systems has primarily focused on either text or table information. In more realistic scenarios, having a joi…

Cited by 26SourcePDFScholar
2022

MuRAG: Multimodal Retrieval-Augmented Generator for Open Question Answering over Images and Text

EMNLP 2022main

While language Models store a massive amount of world knowledge implicitly in their parameters, even very large models often fail to encode information about rare entities and events, while incurring huge computational costs. Recently, retrieval-augmented models, such as REALM, RAG, and RETRO, have…

Cited by 148SourcePDFScholar
2021

A Systematic Investigation of KB-Text Embedding Alignment at Scale

ACL 2021long

Knowledge bases (KBs) and text often contain complementary knowledge: KBs store structured knowledge that can support long range reasoning, while text stores more comprehensive and timely knowledge in an unstructured way. Separately embedding the individual knowledge sources into vector spaces has d…

2021

Counterfactual Maximum Likelihood Estimation for Training Deep Networks

NeurIPS 2021poster

Although deep learning models have driven state-of-the-art performance on a wide array of tasks, they are prone to spurious correlations that should not be learned as predictive clues. To mitigate this problem, we propose a causality-based training framework to reduce the spurious correlations cause…

2021

FinQA: A Dataset of Numerical Reasoning over Financial Data

EMNLP 2021main

The sheer volume of financial statements makes it difficult for humans to access and analyze a business’s financials. Robust numerical reasoning likewise faces unique challenges in this domain. In this work, we focus on answering deep questions over financial data, aiming to automate the analysis of…

2021

Local Explanation of Dialogue Response Generation

NeurIPS 2021poster

In comparison to the interpretation of classification models, the explanation of sequence generation models is also an important problem, however it has seen little attention. In this work, we study model-agnostic explanations of a representative text generation task -- dialogue response generation.…

2021

Open Question Answering over Tables and Text

ICLR 2021poster

In open question answering (QA), the answer to a question is produced by retrieving and then analyzing documents that might contain answers to the question. Most open QA systems have considered only retrieving information from unstructured text. Here we consider for the first time open QA over {\e…

2021

Task-adaptive Pre-training and Self-training are Complementary for Natural Language Understanding

EMNLP 2021finding

Task-adaptive pre-training (TAPT) and Self-training (ST) have emerged as the major semi-supervised approaches to improve natural language understanding (NLU) tasks with massive amount of unlabeled data. However, it’s unclear whether they learn similar representations or they can be effectively combi…

Cited by 14SourcePDFScholar
2021

Unsupervised Multi-hop Question Answering by Question Generation

NAACL 2021long

Obtaining training data for multi-hop question answering (QA) is time-consuming and resource-intensive. We explore the possibility to train a well-performed multi-hop QA model without referencing any human-labeled multi-hop question-answer pairs, i.e., unsupervised multi-hop QA. We propose MQA-QG, a…

2021

Zero-shot Fact Verification by Claim Generation

ACL 2021short

Neural models for automated fact verification have achieved promising results thanks to the availability of large, human-annotated datasets. However, for each new domain that requires fact verification, creating a dataset by manually writing claims and linking them to their supporting evidence is ex…

2020

TabFact: A Large-scale Dataset for Table-based Fact Verification

ICLR 2020poster

The problem of verifying whether a textual hypothesis holds based on the given evidence, also known as fact verification, plays an important role in the study of natural language understanding and semantic representation. However, existing studies are mainly restricted to dealing with unstructured e…

Cited by 517SourcecodeScholar
2020

Violin: A Large-Scale Dataset for Video-and-Language Inference

CVPR 2020poster

We introduce a new task, Video-and-Language Inference, for joint multimodal understanding of video and text. Given a video clip with aligned subtitles as premise, paired with a natural language hypothesis based on the video content, a model needs to infer whether the hypothesis is entailed or contra…

Cited by 77PDFcodeScholar
2019

Enhancing the Locality and Breaking the Memory Bottleneck of Transformer on Time Series Forecasting

NeurIPS 2019poster

Time series forecasting is an important problem across many domains, including predictions of solar plant energy output, electricity consumption, and traffic jam situation. In this paper, we propose to tackle such forecasting problem with Transformer. Although impressed by its performance in our pre…

Cited by 2073SourcePDFScholar
2018

Video Captioning via Hierarchical Reinforcement Learning

CVPR 2018poster

Video captioning is the task of automatically generating a textual description of the actions in a video. Although previous work (e.g. sequence-to-sequence model) has shown promising results in abstracting a coarse description of a short video, it is still very challenging to caption a video contain…

Cited by 320SourcePDFScholar