Search Results for author: Jianfeng Gao

Found 317 papers, 188 papers with code

Pseudo-Masked Language Models for Unified Language Model Pre-Training

1 code implementation ICML 2020 Hangbo Bao, Li Dong, Furu Wei, Wenhui Wang, Nan Yang, Xiaodong Liu, Yu Wang, Jianfeng Gao, Songhao Piao, Ming Zhou, Hsiao-Wuen Hon

We propose to pre-train a unified language model for both autoencoding and partially autoregressive language modeling tasks using a novel training procedure, referred to as a pseudo-masked language model (PMLM).

Language Modelling Natural Language Understanding +1

Large Language Models: A Survey

no code implementations9 Feb 2024 Shervin Minaee, Tomas Mikolov, Narjes Nikzad, Meysam Chenaghlu, Richard Socher, Xavier Amatriain, Jianfeng Gao

Large Language Models (LLMs) have drawn a lot of attention due to their strong performance on a wide range of natural language tasks, since the release of ChatGPT in November 2022.

The Essential Role of Causality in Foundation World Models for Embodied AI

no code implementations6 Feb 2024 Tarun Gupta, Wenbo Gong, Chao Ma, Nick Pawlowski, Agrin Hilmkil, Meyer Scetbon, Ade Famoti, Ashley Juan Llorens, Jianfeng Gao, Stefan Bauer, Danica Kragic, Bernhard Schölkopf, Cheng Zhang

This paper focuses on the prospects of building foundation world models for the upcoming generation of embodied agents and presents a novel viewpoint on the significance of causality within these.

Misconceptions

Learning a Decision Tree Algorithm with Transformers

1 code implementation6 Feb 2024 Yufan Zhuang, Liyuan Liu, Chandan Singh, Jingbo Shang, Jianfeng Gao

We then train MetaTree to produce the trees that achieve strong generalization performance.

Rethinking Interpretability in the Era of Large Language Models

1 code implementation30 Jan 2024 Chandan Singh, Jeevana Priya Inala, Michel Galley, Rich Caruana, Jianfeng Gao

We highlight two emerging research priorities for LLM interpretation: using LLMs to directly analyze new datasets and to generate interactive explanations.

Interpretable Machine Learning

Towards Consistent Natural-Language Explanations via Explanation-Consistency Finetuning

1 code implementation25 Jan 2024 Yanda Chen, Chandan Singh, Xiaodong Liu, Simiao Zuo, Bin Yu, He He, Jianfeng Gao

We propose explanation-consistency finetuning (EC-finetuning), a method that adapts LLMs to generate more consistent natural-language explanations on related examples.

Question Answering

Agent AI: Surveying the Horizons of Multimodal Interaction

1 code implementation7 Jan 2024 Zane Durante, Qiuyuan Huang, Naoki Wake, Ran Gong, Jae Sung Park, Bidipta Sarkar, Rohan Taori, Yusuke Noda, Demetri Terzopoulos, Yejin Choi, Katsushi Ikeuchi, Hoi Vo, Li Fei-Fei, Jianfeng Gao

To accelerate research on agent-based multimodal intelligence, we define "Agent AI" as a class of interactive systems that can perceive visual stimuli, language inputs, and other environmentally-grounded data, and can produce meaningful embodied actions.

Localized Symbolic Knowledge Distillation for Visual Commonsense Models

2 code implementations NeurIPS 2023 Jae Sung Park, Jack Hessel, Khyathi Raghavi Chandu, Paul Pu Liang, Ximing Lu, Peter West, Youngjae Yu, Qiuyuan Huang, Jianfeng Gao, Ali Farhadi, Yejin Choi

Empirical results and human evaluations in a zero-shot setup demonstrate that our distillation method results in more precise VL models of reasoning compared to a baseline of passing a generated referring expression to an LLM.

Instruction Following Knowledge Distillation +3

LLaVA-Grounding: Grounded Visual Chat with Large Multimodal Models

1 code implementation5 Dec 2023 Hao Zhang, Hongyang Li, Feng Li, Tianhe Ren, Xueyan Zou, Shilong Liu, Shijia Huang, Jianfeng Gao, Lei Zhang, Chunyuan Li, Jianwei Yang

To address this issue, we have created GVC data that allows for the combination of grounding and chat capabilities.

IMProv: Inpainting-based Multimodal Prompting for Computer Vision Tasks

no code implementations4 Dec 2023 Jiarui Xu, Yossi Gandelsman, Amir Bar, Jianwei Yang, Jianfeng Gao, Trevor Darrell, Xiaolong Wang

Given a textual description of a visual task (e. g. "Left: input image, Right: foreground segmentation"), a few input-output visual examples, or both, the model in-context learns to solve it for a new test input.

Colorization Foreground Segmentation +3

Visual In-Context Prompting

1 code implementation22 Nov 2023 Feng Li, Qing Jiang, Hao Zhang, Tianhe Ren, Shilong Liu, Xueyan Zou, Huaizhe xu, Hongyang Li, Chunyuan Li, Jianwei Yang, Lei Zhang, Jianfeng Gao

In-context prompting in large language models (LLMs) has become a prevalent approach to improve zero-shot capabilities, but this idea is less explored in the vision domain.

Segmentation Visual Prompting

Tell Your Model Where to Attend: Post-hoc Attention Steering for LLMs

1 code implementation3 Nov 2023 Qingru Zhang, Chandan Singh, Liyuan Liu, Xiaodong Liu, Bin Yu, Jianfeng Gao, Tuo Zhao

In human-written articles, we often leverage the subtleties of text style, such as bold and italics, to guide the attention of readers.

Teaching Language Models to Self-Improve through Interactive Demonstrations

1 code implementation20 Oct 2023 Xiao Yu, Baolin Peng, Michel Galley, Jianfeng Gao, Zhou Yu

The self-improving ability of large language models (LLMs), enabled by prompting them to analyze and revise their own outputs, has garnered significant interest in recent research.

Math

Set-of-Mark Prompting Unleashes Extraordinary Visual Grounding in GPT-4V

3 code implementations17 Oct 2023 Jianwei Yang, Hao Zhang, Feng Li, Xueyan Zou, Chunyuan Li, Jianfeng Gao

We present Set-of-Mark (SoM), a new visual prompting method, to unleash the visual grounding abilities of large multimodal models (LMMs), such as GPT-4V.

Interactive Segmentation Referring Expression +4

BiomedJourney: Counterfactual Biomedical Image Generation by Instruction-Learning from Multimodal Patient Journeys

no code implementations16 Oct 2023 Yu Gu, Jianwei Yang, Naoto Usuyama, Chunyuan Li, Sheng Zhang, Matthew P. Lungren, Jianfeng Gao, Hoifung Poon

In a comprehensive battery of tests on counterfactual medical image generation, BiomedJourney substantially outperforms prior state-of-the-art methods in instruction image editing and medical image generation such as InstructPix2Pix and RoentGen.

counterfactual Denoising +2

Fast-ELECTRA for Efficient Pre-training

no code implementations11 Oct 2023 chengyu dong, Liyuan Liu, Hao Cheng, Jingbo Shang, Jianfeng Gao, Xiaodong Liu

Although ELECTRA offers a significant boost in efficiency, its potential is constrained by the training cost brought by the auxiliary model.

Language Modelling

Model Tells You What to Discard: Adaptive KV Cache Compression for LLMs

no code implementations3 Oct 2023 Suyu Ge, Yunan Zhang, Liyuan Liu, Minjia Zhang, Jiawei Han, Jianfeng Gao

In this study, we introduce adaptive KV cache compression, a plug-and-play method that reduces the memory footprint of generative inference for Large Language Models (LLMs).

Sparse Backpropagation for MoE Training

no code implementations1 Oct 2023 Liyuan Liu, Jianfeng Gao, Weizhu Chen

One defining characteristic of Mixture-of-Expert (MoE) models is their capacity for conducting sparse computation via expert routing, leading to remarkable scalability.

Machine Translation

An Empirical Study of Scaling Instruct-Tuned Large Multimodal Models

1 code implementation18 Sep 2023 Yadong Lu, Chunyuan Li, Haotian Liu, Jianwei Yang, Jianfeng Gao, Yelong Shen

We find that scaling LMM consistently enhances model performance and improves language capabilities, and performance of LoRA/QLoRA tuning of LMM are comparable to the performance of full-model fine-tuning.

Visual Question Answering

MindAgent: Emergent Gaming Interaction

no code implementations18 Sep 2023 Ran Gong, Qiuyuan Huang, Xiaojian Ma, Hoi Vo, Zane Durante, Yusuke Noda, Zilong Zheng, Song-Chun Zhu, Demetri Terzopoulos, Li Fei-Fei, Jianfeng Gao

Large Language Models (LLMs) have the capacity of performing complex scheduling in a multi-agent system and can coordinate these agents into completing sophisticated tasks that require extensive collaboration.

In-Context Learning Scheduling

Multimodal Foundation Models: From Specialists to General-Purpose Assistants

1 code implementation18 Sep 2023 Chunyuan Li, Zhe Gan, Zhengyuan Yang, Jianwei Yang, Linjie Li, Lijuan Wang, Jianfeng Gao

This paper presents a comprehensive survey of the taxonomy and evolution of multimodal foundation models that demonstrate vision and vision-language capabilities, focusing on the transition from specialist models to general-purpose assistants.

Text-to-Image Generation

Semantic-SAM: Segment and Recognize Anything at Any Granularity

1 code implementation10 Jul 2023 Feng Li, Hao Zhang, Peize Sun, Xueyan Zou, Shilong Liu, Jianwei Yang, Chunyuan Li, Lei Zhang, Jianfeng Gao

In this paper, we introduce Semantic-SAM, a universal image segmentation model to enable segment and recognize anything at any desired granularity.

Image Segmentation Segmentation +1

Is Self-Repair a Silver Bullet for Code Generation?

1 code implementation16 Jun 2023 Theo X. Olausson, Jeevana Priya Inala, Chenglong Wang, Jianfeng Gao, Armando Solar-Lezama

We hypothesize that this is because self-repair is bottlenecked by the model's ability to provide feedback on its own code; using a stronger model to artificially boost the quality of the feedback, we observe substantially larger performance gains.

Code Generation

Augmenting Language Models with Long-Term Memory

no code implementations NeurIPS 2023 Weizhi Wang, Li Dong, Hao Cheng, Xiaodong Liu, Xifeng Yan, Jianfeng Gao, Furu Wei

Such a decoupled memory design can easily cache and update long-term past contexts for memory retrieval without suffering from memory staleness.

In-Context Learning Language Modelling +1

Differentiable Tree Operations Promote Compositional Generalization

1 code implementation1 Jun 2023 Paul Soulos, Edward Hu, Kate McCurdy, Yunmo Chen, Roland Fernandez, Paul Smolensky, Jianfeng Gao

To facilitate the learning of these symbolic sequences, we introduce a differentiable tree interpreter that compiles high-level symbolic tree operations into subsymbolic matrix operations on tensors.

Semantic Parsing Text Generation

LLaVA-Med: Training a Large Language-and-Vision Assistant for Biomedicine in One Day

no code implementations NeurIPS 2023 Chunyuan Li, Cliff Wong, Sheng Zhang, Naoto Usuyama, Haotian Liu, Jianwei Yang, Tristan Naumann, Hoifung Poon, Jianfeng Gao

In this paper, we propose a cost-efficient approach for training a vision-language conversational assistant that can answer open-ended research questions of biomedical images.

Instruction Following Language Modelling +2

Self-Verification Improves Few-Shot Clinical Information Extraction

1 code implementation30 May 2023 Zelalem Gero, Chandan Singh, Hao Cheng, Tristan Naumann, Michel Galley, Jianfeng Gao, Hoifung Poon

Extracting patient information from unstructured text is a critical task in health decision-support and clinical research.

In-Context Learning

Pre-training Multi-task Contrastive Learning Models for Scientific Literature Understanding

no code implementations23 May 2023 Yu Zhang, Hao Cheng, Zhihong Shen, Xiaodong Liu, Ye-Yi Wang, Jianfeng Gao

Scientific literature understanding tasks have gained significant attention due to their potential to accelerate scientific discovery.

Citation Prediction Contrastive Learning

Model-Generated Pretraining Signals Improves Zero-Shot Generalization of Text-to-Text Transformers

1 code implementation21 May 2023 Linyuan Gong, Chenyan Xiong, Xiaodong Liu, Payal Bajaj, Yiqing Xie, Alvin Cheung, Jianfeng Gao, Xia Song

This paper explores the effectiveness of model-generated signals in improving zero-shot generalization of text-to-text Transformers such as T5.

Zero-shot Generalization

Chain-of-Skills: A Configurable Model for Open-domain Question Answering

1 code implementation4 May 2023 Kaixin Ma, Hao Cheng, Yu Zhang, Xiaodong Liu, Eric Nyberg, Jianfeng Gao

Our approach outperforms recent self-supervised retrievers in zero-shot evaluations and achieves state-of-the-art fine-tuned retrieval performance on NQ, HotpotQA and OTT-QA.

Open-Domain Question Answering Retrieval +1

ArK: Augmented Reality with Knowledge Interactive Emergent Ability

no code implementations1 May 2023 Qiuyuan Huang, Jae Sung Park, Abhinav Gupta, Paul Bennett, Ran Gong, Subhojit Som, Baolin Peng, Owais Khan Mohammed, Chris Pal, Yejin Choi, Jianfeng Gao

In this study, we develop an infinite agent that learns to transfer knowledge memory from general foundation models (e. g. GPT4, DALLE) to novel domains or scenarios for scene understanding and generation in the physical or virtual world.

Mixed Reality Scene Generation +1

Segment Everything Everywhere All at Once

2 code implementations NeurIPS 2023 Xueyan Zou, Jianwei Yang, Hao Zhang, Feng Li, Linjie Li, JianFeng Wang, Lijuan Wang, Jianfeng Gao, Yong Jae Lee

In SEEM, we propose a novel decoding mechanism that enables diverse prompting for all types of segmentation tasks, aiming at a universal segmentation interface that behaves like large language models (LLMs).

Image Segmentation Interactive Segmentation +4

Instruction Tuning with GPT-4

1 code implementation6 Apr 2023 Baolin Peng, Chunyuan Li, Pengcheng He, Michel Galley, Jianfeng Gao

Prior work has shown that finetuning large language models (LLMs) using machine-generated instruction-following data enables such models to achieve remarkable zero-shot capabilities on new tasks, and no human-written instructions are needed.

Instruction Following

Pre-training Transformers for Knowledge Graph Completion

no code implementations28 Mar 2023 Sanxing Chen, Hao Cheng, Xiaodong Liu, Jian Jiao, Yangfeng Ji, Jianfeng Gao

Learning transferable representation of knowledge graphs (KGs) is challenging due to the heterogeneous, multi-relational nature of graph structures.

A Simple Framework for Open-Vocabulary Segmentation and Detection

2 code implementations ICCV 2023 Hao Zhang, Feng Li, Xueyan Zou, Shilong Liu, Chunyuan Li, Jianfeng Gao, Jianwei Yang, Lei Zhang

We present OpenSeeD, a simple Open-vocabulary Segmentation and Detection framework that jointly learns from different segmentation and detection datasets.

Ranked #2 on Instance Segmentation on ADE20K val (using extra training data)

Instance Segmentation Panoptic Segmentation +2

Interactive Text Generation

no code implementations2 Mar 2023 Felix Faltings, Michel Galley, Baolin Peng, Kianté Brantley, Weixin Cai, Yizhe Zhang, Jianfeng Gao, Bill Dolan

Unfortunately, this means most of the research on text, code, and image generation has focused on non-interactive settings, whereby the model is expected to get everything right without accounting for any input from a user who may be willing to help.

Image Generation Imitation Learning +1

Check Your Facts and Try Again: Improving Large Language Models with External Knowledge and Automated Feedback

no code implementations24 Feb 2023 Baolin Peng, Michel Galley, Pengcheng He, Hao Cheng, Yujia Xie, Yu Hu, Qiuyuan Huang, Lars Liden, Zhou Yu, Weizhu Chen, Jianfeng Gao

Large language models (LLMs), such as ChatGPT, are able to generate human-like, fluent responses for many downstream tasks, e. g., task-oriented dialog and question answering.

Informativeness Open-Domain Question Answering

Language Models as Inductive Reasoners

1 code implementation21 Dec 2022 Zonglin Yang, Li Dong, Xinya Du, Hao Cheng, Erik Cambria, Xiaodong Liu, Jianfeng Gao, Furu Wei

To this end, we propose a new paradigm (task) for inductive reasoning, which is to induce natural language rules from natural language facts, and create a dataset termed DEER containing 1. 2k rule-fact pairs for the task, where rules and facts are written in natural language.

Philosophy

DIONYSUS: A Pre-trained Model for Low-Resource Dialogue Summarization

no code implementations20 Dec 2022 Yu Li, Baolin Peng, Pengcheng He, Michel Galley, Zhou Yu, Jianfeng Gao

In this work, we propose DIONYSUS (dynamic input optimization in pre-training for dialogue summarization), a pre-trained encoder-decoder model for summarizing dialogues in any new domain.

Enhancing Task Bot Engagement with Synthesized Open-Domain Dialog

no code implementations20 Dec 2022 Miaoran Li, Baolin Peng, Michel Galley, Jianfeng Gao, Zhu Zhang

To better mimic human-level conversations that usually fuse various dialog modes, it is essential to build a system that can effectively handle both TOD and ODD and access different knowledge sources.

Open-Domain Dialog

Efficient Long Sequence Modeling via State Space Augmented Transformer

1 code implementation15 Dec 2022 Simiao Zuo, Xiaodong Liu, Jian Jiao, Denis Charles, Eren Manavoglu, Tuo Zhao, Jianfeng Gao

Specifically, we augment a SSM into the bottom layer of SPADE, and we employ efficient local attention methods for the other layers.

Computational Efficiency Language Modelling +2

Grounded Keys-to-Text Generation: Towards Factual Open-Ended Generation

no code implementations4 Dec 2022 Faeze Brahman, Baolin Peng, Michel Galley, Sudha Rao, Bill Dolan, Snigdha Chaturvedi, Jianfeng Gao

We propose a new grounded keys-to-text generation task: the task is to generate a factual description about an entity given a set of guiding keys, and grounding passages.

Data-to-Text Generation

CodeExp: Explanatory Code Document Generation

1 code implementation25 Nov 2022 Haotian Cui, Chenglong Wang, JunJie Huang, Jeevana Priya Inala, Todd Mytkowicz, Bo wang, Jianfeng Gao, Nan Duan

Our experiments show that (1) our refined training dataset lets models achieve better performance in the explanation generation tasks compared to larger unrefined data (15x larger), and (2) fine-tuned models can generate well-structured long docstrings comparable to human-written ones.

Explanation Generation Text Generation

Execution-based Evaluation for Data Science Code Generation Models

1 code implementation17 Nov 2022 JunJie Huang, Chenglong Wang, Jipeng Zhang, Cong Yan, Haotian Cui, Jeevana Priya Inala, Colin Clement, Nan Duan, Jianfeng Gao

Code generation models can benefit data scientists' productivity by automatically generating code from context and text descriptions.

Code Generation Model Selection

AdaMix: Mixture-of-Adaptations for Parameter-efficient Model Tuning

1 code implementation31 Oct 2022 Yaqing Wang, Sahaj Agarwal, Subhabrata Mukherjee, Xiaodong Liu, Jing Gao, Ahmed Hassan Awadallah, Jianfeng Gao

Standard fine-tuning of large pre-trained language models (PLMs) for downstream tasks requires updating hundreds of millions to billions of parameters, and storing a large copy of the PLM weights for every task resulting in increased cost for storing, sharing and serving the models.

Lafite2: Few-shot Text-to-Image Generation

no code implementations25 Oct 2022 Yufan Zhou, Chunyuan Li, Changyou Chen, Jianfeng Gao, Jinhui Xu

The low requirement of the proposed method yields high flexibility and usability: it can be beneficial to a wide range of settings, including the few-shot, semi-supervised and fully-supervised learning; it can be applied on different models including generative adversarial networks (GANs) and diffusion models.

Retrieval Text-to-Image Generation

Open-domain Question Answering via Chain of Reasoning over Heterogeneous Knowledge

2 code implementations22 Oct 2022 Kaixin Ma, Hao Cheng, Xiaodong Liu, Eric Nyberg, Jianfeng Gao

We propose a novel open-domain question answering (ODQA) framework for answering single/multi-hop questions across heterogeneous knowledge sources.

Open-Domain Question Answering

Vision-Language Pre-training: Basics, Recent Advances, and Future Trends

1 code implementation17 Oct 2022 Zhe Gan, Linjie Li, Chunyuan Li, Lijuan Wang, Zicheng Liu, Jianfeng Gao

This paper surveys vision-language pre-training (VLP) methods for multimodal intelligence that have been developed in the last few years.

Few-Shot Learning Image Captioning +11

Task-Aware Specialization for Efficient and Robust Dense Retrieval for Open-Domain Question Answering

1 code implementation11 Oct 2022 Hao Cheng, Hao Fang, Xiaodong Liu, Jianfeng Gao

Given its effectiveness on knowledge-intensive natural language processing tasks, dense retrieval models have become increasingly popular.

Open-Domain Question Answering Retrieval

Augmenting Interpretable Models with LLMs during Training

4 code implementations23 Sep 2022 Chandan Singh, Armin Askari, Rich Caruana, Jianfeng Gao

Recent large language models (LLMs) have demonstrated remarkable prediction performance for a growing array of tasks.

Additive models Language Modelling +3

Optimizing Bi-Encoder for Named Entity Recognition via Contrastive Learning

1 code implementation30 Aug 2022 Sheng Zhang, Hao Cheng, Jianfeng Gao, Hoifung Poon

We present a bi-encoder framework for named entity recognition (NER), which applies contrastive learning to map candidate text spans and entity types into the same vector representation space.

Contrastive Learning Metric Learning +5

Interactive Code Generation via Test-Driven User-Intent Formalization

no code implementations11 Aug 2022 Shuvendu K. Lahiri, Sarah Fakhoury, Aaditya Naik, Georgios Sakkas, Saikat Chakraborty, Madanlal Musuvathi, Piali Choudhury, Curtis von Veh, Jeevana Priya Inala, Chenglong Wang, Jianfeng Gao

Large language models (LLMs) have shown great potential in automating significant aspects of coding by producing natural code from informal natural language (NL) intent.

Code Generation Test

OPERA: Harmonizing Task-Oriented Dialogs and Information Seeking Experience

1 code implementation24 Jun 2022 Miaoran Li, Baolin Peng, Jianfeng Gao, Zhu Zhang

Existing studies in conversational AI mostly treat task-oriented dialog (TOD) and question answering (QA) as separate tasks.

Question Answering

GLIPv2: Unifying Localization and Vision-Language Understanding

1 code implementation12 Jun 2022 Haotian Zhang, Pengchuan Zhang, Xiaowei Hu, Yen-Chun Chen, Liunian Harold Li, Xiyang Dai, Lijuan Wang, Lu Yuan, Jenq-Neng Hwang, Jianfeng Gao

We present GLIPv2, a grounded VL understanding model, that serves both localization tasks (e. g., object detection, instance segmentation) and Vision-Language (VL) understanding tasks (e. g., VQA, image captioning).

 Ranked #1 on Phrase Grounding on Flickr30k Entities Test (using extra training data)

Contrastive Learning Image Captioning +7

Fault-Aware Neural Code Rankers

1 code implementation4 Jun 2022 Jeevana Priya Inala, Chenglong Wang, Mei Yang, Andres Codas, Mark Encarnación, Shuvendu K Lahiri, Madanlal Musuvathi, Jianfeng Gao

Large language models (LLMs) have demonstrated an impressive ability to generate code for various programming tasks.

Code Generation

Learning Math Reasoning from Self-Sampled Correct and Partially-Correct Solutions

1 code implementation28 May 2022 Ansong Ni, Jeevana Priya Inala, Chenglong Wang, Oleksandr Polozov, Christopher Meek, Dragomir Radev, Jianfeng Gao

We show that our use of self-sampled correct and partially-correct solutions can benefit learning and help guide the sampling process, leading to more efficient exploration of the solution space.

Arithmetic Reasoning Efficient Exploration +3

AdaMix: Mixture-of-Adaptations for Parameter-efficient Model Tuning

1 code implementation24 May 2022 Yaqing Wang, Sahaj Agarwal, Subhabrata Mukherjee, Xiaodong Liu, Jing Gao, Ahmed Hassan Awadallah, Jianfeng Gao

Standard fine-tuning of large pre-trained language models (PLMs) for downstream tasks requires updating hundreds of millions to billions of parameters, and storing a large copy of the PLM weights for every task resulting in increased cost for storing, sharing and serving the models.

Natural Language Understanding Sparse Learning

Visually-Augmented Language Modeling

1 code implementation20 May 2022 Weizhi Wang, Li Dong, Hao Cheng, Haoyu Song, Xiaodong Liu, Xifeng Yan, Jianfeng Gao, Furu Wei

With the visually-augmented context, VaLM uses a visual knowledge fusion layer to enable multimodal grounded language modeling by attending to both text context and visual knowledge in images.

Image Retrieval Language Modelling +1

Training Vision-Language Transformers from Captions

1 code implementation19 May 2022 Liangke Gui, Yingshan Chang, Qiuyuan Huang, Subhojit Som, Alex Hauptmann, Jianfeng Gao, Yonatan Bisk

Vision-Language Transformers can be learned without low-level human labels (e. g. class labels, bounding boxes, etc).

Neurocompositional computing: From the Central Paradox of Cognition to a new generation of AI systems

no code implementations2 May 2022 Paul Smolensky, R. Thomas McCoy, Roland Fernandez, Matthew Goldrick, Jianfeng Gao

What explains the dramatic progress from 20th-century to 21st-century AI, and how can the remaining limitations of current AI be overcome?

K-LITE: Learning Transferable Visual Models with External Knowledge

2 code implementations20 Apr 2022 Sheng Shen, Chunyuan Li, Xiaowei Hu, Jianwei Yang, Yujia Xie, Pengchuan Zhang, Zhe Gan, Lijuan Wang, Lu Yuan, Ce Liu, Kurt Keutzer, Trevor Darrell, Anna Rohrbach, Jianfeng Gao

We propose K-LITE, a simple strategy to leverage external knowledge for building transferable visual systems: In training, it enriches entities in text with WordNet and Wiktionary knowledge, leading to an efficient and scalable approach to learning image representations that uses knowledge about the visual concepts.

Benchmarking Descriptive +4

Sparsely Activated Mixture-of-Experts are Robust Multi-Task Learners

no code implementations16 Apr 2022 Shashank Gupta, Subhabrata Mukherjee, Krishan Subudhi, Eduardo Gonzalez, Damien Jose, Ahmed H. Awadallah, Jianfeng Gao

Traditional multi-task learning (MTL) methods use dense networks that use the same set of shared weights across several different tasks.

Multi-Task Learning

METRO: Efficient Denoising Pretraining of Large Scale Autoencoding Language Models with Model Generated Signals

no code implementations13 Apr 2022 Payal Bajaj, Chenyan Xiong, Guolin Ke, Xiaodong Liu, Di He, Saurabh Tiwary, Tie-Yan Liu, Paul Bennett, Xia Song, Jianfeng Gao

We present an efficient method of pretraining large-scale autoencoding language models using training signals generated by an auxiliary model.

Denoising

Unified Contrastive Learning in Image-Text-Label Space

1 code implementation CVPR 2022 Jianwei Yang, Chunyuan Li, Pengchuan Zhang, Bin Xiao, Ce Liu, Lu Yuan, Jianfeng Gao

Particularly, it attains gains up to 9. 2% and 14. 5% in average on zero-shot recognition benchmarks over the language-image contrastive learning and supervised learning methods, respectively.

Contrastive Learning Image Classification +2

Focal Modulation Networks

6 code implementations22 Mar 2022 Jianwei Yang, Chunyuan Li, Xiyang Dai, Lu Yuan, Jianfeng Gao

For semantic segmentation with UPerNet, FocalNet base at single-scale outperforms Swin by 2. 4, and beats Swin at multi-scale (50. 5 v. s.

Ranked #7 on Object Detection on COCO minival (using extra training data)

Image Classification Object Detection +2

Tensor Programs V: Tuning Large Neural Networks via Zero-Shot Hyperparameter Transfer

2 code implementations7 Mar 2022 Greg Yang, Edward J. Hu, Igor Babuschkin, Szymon Sidor, Xiaodong Liu, David Farhi, Nick Ryder, Jakub Pachocki, Weizhu Chen, Jianfeng Gao

Hyperparameter (HP) tuning in deep learning is an expensive process, prohibitively so for neural networks (NNs) with billions of parameters.

A Survey of Knowledge-Intensive NLP with Pre-Trained Language Models

no code implementations17 Feb 2022 Da Yin, Li Dong, Hao Cheng, Xiaodong Liu, Kai-Wei Chang, Furu Wei, Jianfeng Gao

With the increasing of model capacity brought by pre-trained language models, there emerges boosting needs for more knowledgeable natural language processing (NLP) models with advanced functionalities including providing and making flexible use of encyclopedic and commonsense knowledge.

Language Modelling

AutoDistil: Few-shot Task-agnostic Neural Architecture Search for Distilling Large Language Models

no code implementations29 Jan 2022 Dongkuan Xu, Subhabrata Mukherjee, Xiaodong Liu, Debadeepta Dey, Wenhui Wang, Xiang Zhang, Ahmed Hassan Awadallah, Jianfeng Gao

Our framework AutoDistil addresses above challenges with the following steps: (a) Incorporates inductive bias and heuristics to partition Transformer search space into K compact sub-spaces (K=3 for typical student sizes of base, small and tiny); (b) Trains one SuperLM for each sub-space using task-agnostic objective (e. g., self-attention distillation) with weight-sharing of students; (c) Lightweight search for the optimal student without re-training.

Inductive Bias Knowledge Distillation +1

Toward Self-learning End-to-End Task-Oriented Dialog Systems

no code implementations SIGDIAL (ACL) 2022 Xiaoying Zhang, Baolin Peng, Jianfeng Gao, Helen Meng

In this paper, we study the problem of automatically adapting task bots to changing environments by learning from human-bot interactions with minimum or zero human annotations.

reinforcement-learning Reinforcement Learning (RL) +1

Neural Approaches to Conversational Information Retrieval

no code implementations13 Jan 2022 Jianfeng Gao, Chenyan Xiong, Paul Bennett, Nick Craswell

A conversational information retrieval (CIR) system is an information retrieval (IR) system with a conversational interface which allows users to interact with the system to seek information via multi-turn conversations of natural language, in spoken or written form.

Information Retrieval Retrieval

KAT: A Knowledge Augmented Transformer for Vision-and-Language

1 code implementation NAACL 2022 Liangke Gui, Borui Wang, Qiuyuan Huang, Alex Hauptmann, Yonatan Bisk, Jianfeng Gao

The primary focus of recent work with largescale transformers has been on optimizing the amount of information packed into the model's parameters.

Answer Generation Retrieval +1

RegionCLIP: Region-based Language-Image Pretraining

1 code implementation CVPR 2022 Yiwu Zhong, Jianwei Yang, Pengchuan Zhang, Chunyuan Li, Noel Codella, Liunian Harold Li, Luowei Zhou, Xiyang Dai, Lu Yuan, Yin Li, Jianfeng Gao

However, we show that directly applying such models to recognize image regions for object detection leads to poor performance due to a domain shift: CLIP was trained to match an image as a whole to a text description, without capturing the fine-grained alignment between image regions and text spans.

Ranked #10 on Open Vocabulary Object Detection on MSCOCO (using extra training data)

Image Classification Object +3

Knowledge-Rich Self-Supervision for Biomedical Entity Linking

no code implementations15 Dec 2021 Sheng Zhang, Hao Cheng, Shikhar Vashishth, Cliff Wong, Jinfeng Xiao, Xiaodong Liu, Tristan Naumann, Jianfeng Gao, Hoifung Poon

Zero-shot entity linking has emerged as a promising direction for generalizing to new entities, but it still requires example gold entity mentions during training and canonical descriptions for all entities, both of which are rarely available outside of Wikipedia.

Contrastive Learning Entity Linking

Knowledge-Grounded Dialogue Generation with a Unified Knowledge Representation

no code implementations NAACL 2022 Yu Li, Baolin Peng, Yelong Shen, Yi Mao, Lars Liden, Zhou Yu, Jianfeng Gao

To address these challenges, we present PLUG, a language model that homogenizes different knowledge sources to a unified knowledge representation for knowledge-grounded dialogue generation tasks.

Dialogue Generation Language Modelling

ValueNet: A New Dataset for Human Value Driven Dialogue System

no code implementations12 Dec 2021 Liang Qiu, Yizhou Zhao, Jinchao Li, Pan Lu, Baolin Peng, Jianfeng Gao, Song-Chun Zhu

To the best of our knowledge, ValueNet is the first large-scale text dataset for human value modeling, and we are the first one trying to incorporate a value model into emotionally intelligent dialogue systems.

Dialogue Generation Emotion Recognition +2

Grounded Language-Image Pre-training

1 code implementation CVPR 2022 Liunian Harold Li, Pengchuan Zhang, Haotian Zhang, Jianwei Yang, Chunyuan Li, Yiwu Zhong, Lijuan Wang, Lu Yuan, Lei Zhang, Jenq-Neng Hwang, Kai-Wei Chang, Jianfeng Gao

The unification brings two benefits: 1) it allows GLIP to learn from both detection and grounding data to improve both tasks and bootstrap a good grounding model; 2) GLIP can leverage massive image-text pairs by generating grounding boxes in a self-training fashion, making the learned representation semantic-rich.

Few-Shot Object Detection Zero-Shot Object Detection

Human Parity on CommonsenseQA: Augmenting Self-Attention with External Attention

2 code implementations6 Dec 2021 Yichong Xu, Chenguang Zhu, Shuohang Wang, Siqi Sun, Hao Cheng, Xiaodong Liu, Jianfeng Gao, Pengcheng He, Michael Zeng, Xuedong Huang

In particular, we focus on the task of Commonsense Reasoning, demonstrating that the proposed external attention mechanism can augment existing transformer models and significantly improve the model's reasoning capabilities.

 Ranked #1 on Common Sense Reasoning on CommonsenseQA (using extra training data)

Common Sense Reasoning

Tuning Large Neural Networks via Zero-Shot Hyperparameter Transfer

1 code implementation NeurIPS 2021 Ge Yang, Edward Hu, Igor Babuschkin, Szymon Sidor, Xiaodong Liu, David Farhi, Nick Ryder, Jakub Pachocki, Weizhu Chen, Jianfeng Gao

Hyperparameter (HP) tuning in deep learning is an expensive process, prohibitively so for neural networks (NNs) with billions of parameters. We show that, in the recently discovered Maximal Update Parametrization ($\mu$P), many optimal HPs remain stable even as model size changes.

Focal Attention for Long-Range Interactions in Vision Transformers

1 code implementation NeurIPS 2021 Jianwei Yang, Chunyuan Li, Pengchuan Zhang, Xiyang Dai, Bin Xiao, Lu Yuan, Jianfeng Gao

With focal attention, we propose a new variant of Vision Transformer models, called Focal Transformers, which achieve superior performance over the state-of-the-art (SoTA) Vision Transformers on a range of public image classification and object detection benchmarks.

Image Classification object-detection +2

Florence: A New Foundation Model for Computer Vision

1 code implementation22 Nov 2021 Lu Yuan, Dongdong Chen, Yi-Ling Chen, Noel Codella, Xiyang Dai, Jianfeng Gao, Houdong Hu, Xuedong Huang, Boxin Li, Chunyuan Li, Ce Liu, Mengchen Liu, Zicheng Liu, Yumao Lu, Yu Shi, Lijuan Wang, JianFeng Wang, Bin Xiao, Zhen Xiao, Jianwei Yang, Michael Zeng, Luowei Zhou, Pengchuan Zhang

Computer vision foundation models, which are trained on diverse, large-scale dataset and can be adapted to a wide range of downstream tasks, are critical for this mission to solve real-world computer vision applications.

Action Classification Action Recognition In Videos +12

DeBERTaV3: Improving DeBERTa using ELECTRA-Style Pre-Training with Gradient-Disentangled Embedding Sharing

2 code implementations18 Nov 2021 Pengcheng He, Jianfeng Gao, Weizhu Chen

We thus propose a new gradient-disentangled embedding sharing method that avoids the tug-of-war dynamics, improving both training efficiency and the quality of the pre-trained model.

Natural Language Inference Natural Language Understanding +2

CLUES: Few-Shot Learning Evaluation in Natural Language Understanding

1 code implementation4 Nov 2021 Subhabrata Mukherjee, Xiaodong Liu, Guoqing Zheng, Saghar Hosseini, Hao Cheng, Greg Yang, Christopher Meek, Ahmed Hassan Awadallah, Jianfeng Gao

We demonstrate that while recent models reach human performance when they have access to large amounts of labeled data, there is a huge gap in performance in the few-shot setting for most tasks.

Few-Shot Learning Natural Language Understanding

Adversarial GLUE: A Multi-Task Benchmark for Robustness Evaluation of Language Models

1 code implementation4 Nov 2021 Boxin Wang, Chejian Xu, Shuohang Wang, Zhe Gan, Yu Cheng, Jianfeng Gao, Ahmed Hassan Awadallah, Bo Li

In this paper, we present Adversarial GLUE (AdvGLUE), a new multi-task benchmark to quantitatively and thoroughly explore and evaluate the vulnerabilities of modern large-scale language models under various types of adversarial attacks.

Adversarial Attack Adversarial Robustness +1

SYNERGY: Building Task Bots at Scale Using Symbolic Knowledge and Machine Teaching

no code implementations21 Oct 2021 Baolin Peng, Chunyuan Li, Zhu Zhang, Jinchao Li, Chenguang Zhu, Jianfeng Gao

We propose SYNERGY, a hybrid learning framework where a task bot is developed in two steps: (i) Symbolic knowledge to neural networks: Large amounts of simulated dialog sessions are generated based on task-specific symbolic knowledge which is represented as a task schema consisting of dialog flows and task-oriented databases.

Open Domain Question Answering with A Unified Knowledge Interface

1 code implementation ACL 2022 Kaixin Ma, Hao Cheng, Xiaodong Liu, Eric Nyberg, Jianfeng Gao

The retriever-reader framework is popular for open-domain question answering (ODQA) due to its ability to use explicit knowledge.

Data-to-Text Generation Natural Questions +2

Taming Sparsely Activated Transformer with Stochastic Experts

1 code implementation ICLR 2022 Simiao Zuo, Xiaodong Liu, Jian Jiao, Young Jin Kim, Hany Hassan, Ruofei Zhang, Tuo Zhao, Jianfeng Gao

While most on-going research focuses on improving SAMs models by exploring methods of routing inputs to experts, our analysis reveals that such research might not lead to the solution we expect, i. e., the commonly-used routing methods based on gating mechanisms do not work better than randomly routing inputs to experts.

Machine Translation Translation

WebQA: Multihop and Multimodal QA

2 code implementations CVPR 2022 Yingshan Chang, Mridu Narang, Hisami Suzuki, Guihong Cao, Jianfeng Gao, Yonatan Bisk

Scaling Visual Question Answering (VQA) to the open-domain and multi-hop nature of web searches, requires fundamental advances in visual representation learning, knowledge aggregation, and language generation.

Image Retrieval Multimodal Reasoning +4

TACo: Token-aware Cascade Contrastive Learning for Video-Text Alignment

no code implementations ICCV 2021 Jianwei Yang, Yonatan Bisk, Jianfeng Gao

This is motivated by the observation that for a video-text pair, the content words in the text, such as nouns and verbs, are more likely to be aligned with the visual contents in the video than the function words.

Ranked #3 on Temporal Action Localization on CrossTask (using extra training data)

Action Segmentation Contrastive Learning +5

EmailSum: Abstractive Email Thread Summarization

1 code implementation ACL 2021 Shiyue Zhang, Asli Celikyilmaz, Jianfeng Gao, Mohit Bansal

Furthermore, we find that widely used automatic evaluation metrics (ROUGE, BERTScore) are weakly correlated with human judgments on this email thread summarization task.

Abstractive Text Summarization Email Thread Summarization

Image Scene Graph Generation (SGG) Benchmark

1 code implementation27 Jul 2021 Xiaotian Han, Jianwei Yang, Houdong Hu, Lei Zhang, Jianfeng Gao, Pengchuan Zhang

There is a surge of interest in image scene graph generation (object, attribute and relationship detection) due to the need of building fine-grained image understanding models that go beyond object detection.

Attribute Graph Generation +6

Focal Self-attention for Local-Global Interactions in Vision Transformers

3 code implementations1 Jul 2021 Jianwei Yang, Chunyuan Li, Pengchuan Zhang, Xiyang Dai, Bin Xiao, Lu Yuan, Jianfeng Gao

With focal self-attention, we propose a new variant of Vision Transformer models, called Focal Transformer, which achieves superior performance over the state-of-the-art vision Transformers on a range of public image classification and object detection benchmarks.

Image Classification Instance Segmentation +3

XtremeDistilTransformers: Task Transfer for Task-agnostic Distillation

1 code implementation8 Jun 2021 Subhabrata Mukherjee, Ahmed Hassan Awadallah, Jianfeng Gao

While deep and large pre-trained models are the state-of-the-art for various natural language processing tasks, their huge size poses significant challenges for practical uses in resource constrained settings.

Knowledge Distillation NER +1

Enriching Transformers with Structured Tensor-Product Representations for Abstractive Summarization

1 code implementation NAACL 2021 Yichen Jiang, Asli Celikyilmaz, Paul Smolensky, Paul Soulos, Sudha Rao, Hamid Palangi, Roland Fernandez, Caitlin Smith, Mohit Bansal, Jianfeng Gao

On several syntactic and semantic probing tasks, we demonstrate the emergent structural information in the role vectors and improved syntactic interpretability in the TPR layer outputs.

Abstractive Text Summarization

Compositional Processing Emerges in Neural Networks Solving Math Problems

1 code implementation19 May 2021 Jacob Russin, Roland Fernandez, Hamid Palangi, Eric Rosen, Nebojsa Jojic, Paul Smolensky, Jianfeng Gao

A longstanding question in cognitive science concerns the learning mechanisms underlying compositionality in human cognition.

Math Mathematical Reasoning

RetGen: A Joint framework for Retrieval and Grounded Text Generation Modeling

1 code implementation14 May 2021 Yizhe Zhang, Siqi Sun, Xiang Gao, Yuwei Fang, Chris Brockett, Michel Galley, Jianfeng Gao, Bill Dolan

We propose a framework that alleviates this data constraint by jointly training a grounded generator and document retriever on the language model signal.

Dialogue Generation Language Modelling +1

Targeted Adversarial Training for Natural Language Understanding

1 code implementation NAACL 2021 Lis Pereira, Xiaodong Liu, Hao Cheng, Hoifung Poon, Jianfeng Gao, Ichiro Kobayashi

We present a simple yet effective Targeted Adversarial Training (TAT) algorithm to improve adversarial training for natural language understanding.

Natural Language Understanding

Multi-Scale Vision Longformer: A New Vision Transformer for High-Resolution Image Encoding

3 code implementations ICCV 2021 Pengchuan Zhang, Xiyang Dai, Jianwei Yang, Bin Xiao, Lu Yuan, Lei Zhang, Jianfeng Gao

This paper presents a new Vision Transformer (ViT) architecture Multi-Scale Vision Longformer, which significantly enhances the ViT of \cite{dosovitskiy2020image} for encoding high-resolution images using two techniques.

Image Classification Instance Segmentation +2

Token-wise Curriculum Learning for Neural Machine Translation

no code implementations Findings (EMNLP) 2021 Chen Liang, Haoming Jiang, Xiaodong Liu, Pengcheng He, Weizhu Chen, Jianfeng Gao, Tuo Zhao

Existing curriculum learning approaches to Neural Machine Translation (NMT) require sampling sufficient amounts of "easy" samples from training data at the early training stage.

Machine Translation NMT +2

Data Augmentation for Abstractive Query-Focused Multi-Document Summarization

1 code implementation2 Mar 2021 Ramakanth Pasunuru, Asli Celikyilmaz, Michel Galley, Chenyan Xiong, Yizhe Zhang, Mohit Bansal, Jianfeng Gao

The progress in Query-focused Multi-Document Summarization (QMDS) has been limited by the lack of sufficient largescale high-quality training datasets.

Data Augmentation Document Summarization +1

Learning to Shift Attention for Motion Generation

1 code implementation24 Feb 2021 You Zhou, Jianfeng Gao, Tamim Asfour

For multiple modes, we suggest to learn local latent representations of motion trajectories with a density estimation method based on real-valued non-volume preserving (RealNVP) transformations that provides a set of powerful, stably invertible, and learnable transformations.

Density Estimation

VinVL: Revisiting Visual Representations in Vision-Language Models

7 code implementations CVPR 2021 Pengchuan Zhang, Xiujun Li, Xiaowei Hu, Jianwei Yang, Lei Zhang, Lijuan Wang, Yejin Choi, Jianfeng Gao

In our experiments we feed the visual features generated by the new object detection model into a Transformer-based VL fusion model \oscar \cite{li2020oscar}, and utilize an improved approach \short\ to pre-train the VL model and fine-tune it on a wide range of downstream VL tasks.

Image Captioning Image-text matching +4

Token-Level Contrast for Video and Language Alignment

no code implementations1 Jan 2021 Jianwei Yang, Yonatan Bisk, Jianfeng Gao

Building video and language understanding models requires grounding linguistic concepts and video contents into a shared space.

Rider: Reader-Guided Passage Reranking for Open-Domain Question Answering

1 code implementation1 Jan 2021 Yuning Mao, Pengcheng He, Xiaodong Liu, Yelong Shen, Jianfeng Gao, Jiawei Han, Weizhu Chen

Current open-domain question answering systems often follow a Retriever-Reader architecture, where the retriever first retrieves relevant passages and the reader then reads the retrieved passages to form an answer.

Natural Questions Open-Domain Question Answering +2

Few-Shot Named Entity Recognition: A Comprehensive Study

2 code implementations29 Dec 2020 Jiaxin Huang, Chunyuan Li, Krishan Subudhi, Damien Jose, Shobana Balakrishnan, Weizhu Chen, Baolin Peng, Jianfeng Gao, Jiawei Han

This paper presents a comprehensive study to efficiently build named entity recognition (NER) systems when a small number of in-domain labeled data is available.

Few-Shot Learning named-entity-recognition +2

RADDLE: An Evaluation Benchmark and Analysis Platform for Robust Task-oriented Dialog Systems

no code implementations ACL 2021 Baolin Peng, Chunyuan Li, Zhu Zhang, Chenguang Zhu, Jinchao Li, Jianfeng Gao

For task-oriented dialog systems to be maximally useful, it must be able to process conversations in a way that is (1) generalizable with a small number of training examples for new task domains, and (2) robust to user input in various styles, modalities or domains.