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Personalized text-to-image generation aims to create images tailored to user-defined concepts and textual descriptions. Balancing the fidelity of the learned concept with its ability for generation in various contexts presents a significant…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Vera Soboleva , Maksim Nakhodnov , Aibek Alanov

Interpreting the inner workings of deep learning models is crucial for establishing trust and ensuring model safety. Concept-based explanations have emerged as a superior approach that is more interpretable than feature attribution…

机器学习 · 计算机科学 2023-07-17 Mara Graziani , Laura O' Mahony , An-Phi Nguyen , Henning Müller , Vincent Andrearczyk

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

计算与语言 · 计算机科学 2022-10-24 Zhe Hu , Zhiwei Cao , Hou Pong Chan , Jiachen Liu , Xinyan Xiao , Jinsong Su , Hua Wu

Large language models generate fluent texts and can follow natural language instructions to solve a wide range of tasks without task-specific training. Nevertheless, it is notoriously difficult to control their generation to satisfy the…

计算与语言 · 计算机科学 2023-06-09 Wangchunshu Zhou , Yuchen Eleanor Jiang , Ethan Wilcox , Ryan Cotterell , Mrinmaya Sachan

Intelligent and adaptive online education systems aim to make high-quality education available for a diverse range of students. However, existing systems usually depend on a pool of hand-made questions, limiting how fine-grained and…

计算与语言 · 计算机科学 2021-06-09 Megha Srivastava , Noah Goodman

Recently, there has been a surge in the use of generated data to enhance the performance of downstream models, largely due to the advancements in pre-trained language models. However, most prevailing methods trained generative and…

计算与语言 · 计算机科学 2023-09-26 Tong Wu , Hao Wang , Zhongshen Zeng , Wei Wang , Hai-Tao Zheng , Jiaxing Zhang

Neural language models often fail to generate diverse and informative texts, limiting their applicability in real-world problems. While previous approaches have proposed to address these issues by identifying and penalizing undesirable…

计算与语言 · 计算机科学 2023-09-25 Jimin Hong , ChaeHun Park , Jaegul Choo

Modern implicit generative models such as generative adversarial networks (GANs) are generally known to suffer from issues such as instability, uninterpretability, and difficulty in assessing their performance. If we see these implicit…

机器学习 · 统计学 2019-11-05 Arash Mehrjou , Wittawat Jitkrittum , Krikamol Muandet , Bernhard Schölkopf

Modern implicit generative models such as generative adversarial networks (GANs) are generally known to suffer from issues such as instability, uninterpretability, and difficulty in assessing their performance. If we see these implicit…

机器学习 · 计算机科学 2019-11-07 Arash Mehrjou , Wittawat Jitkrittum , Krikamol Muandet , Bernhard Schölkopf

While GPT-2 generates sentences that are remarkably human-like, longer documents can ramble and do not follow human-like writing structure. We study the problem of imposing structure on long-range text. We propose a novel controlled text…

计算与语言 · 计算机科学 2023-01-09 Alexander Spangher , Xinyu Hua , Yao Ming , Nanyun Peng

Generative Adversarial Networks (GANs) have been widely applied in modeling diverse image distributions. However, despite its impressive applications, the structure of the latent space in GANs largely remains as a black-box, leaving its…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Zikun Chen , Ruowei Jiang , Brendan Duke , Han Zhao , Parham Aarabi

Conditional discrete generative models struggle to faithfully compose multiple input conditions. To address this, we derive a theoretically-grounded formulation for composing discrete probabilistic generative processes, with masked…

机器学习 · 计算机科学 2026-04-08 Jamie Stirling , Noura Al-Moubayed , Chris G. Willcocks , Hubert P. H. Shum

Conditional discrete generative models struggle to faithfully compose multiple input conditions. To address this, we derive a theoretically-grounded formulation for composing discrete probabilistic generative processes, with masked…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Jamie Stirling , Noura Al-Moubayed , Chris G. Willcocks , Hubert P. H. Shum

Standard sequential generation methods assume a pre-specified generation order, such as text generation methods which generate words from left to right. In this work, we propose a framework for training models of text generation that…

计算与语言 · 计算机科学 2019-10-25 Sean Welleck , Kianté Brantley , Hal Daumé , Kyunghyun Cho

Sequence-to-Sequence (S2S) neural text generation models, especially the pre-trained ones (e.g., BART and T5), have exhibited compelling performance on various natural language generation tasks. However, the black-box nature of these models…

计算与语言 · 计算机科学 2021-07-29 Yufei Wang , Can Xu , Huang Hu , Chongyang Tao , Stephen Wan , Mark Dras , Mark Johnson , Daxin Jiang

Large-scale language models (LMs) pretrained on massive corpora of text, such as GPT-2, are powerful open-domain text generators. However, as our systematic examination reveals, it is still challenging for such models to generate coherent…

计算与语言 · 计算机科学 2021-04-15 Bowen Tan , Zichao Yang , Maruan AI-Shedivat , Eric P. Xing , Zhiting Hu

Recent language modeling performance has been greatly improved by the use of external memory. This memory encodes the context so that similar contexts can be recalled during decoding. This similarity depends on how the model learns to…

计算与语言 · 计算机科学 2022-10-31 Severino Trotta , Lucie Flek , Charles Welch

We consider the task of text generation in language models with constraints specified in natural language. To this end, we first create a challenging benchmark Cognac that provides as input to the model a topic with example text, along with…

计算与语言 · 计算机科学 2022-12-21 Howard Chen , Huihan Li , Danqi Chen , Karthik Narasimhan

Real-world text applications often involve composing a wide range of text control operations, such as editing the text w.r.t. an attribute, manipulating keywords and structure, and generating new text of desired properties. Prior work…

计算与语言 · 计算机科学 2023-11-07 Guangyi Liu , Zeyu Feng , Yuan Gao , Zichao Yang , Xiaodan Liang , Junwei Bao , Xiaodong He , Shuguang Cui , Zhen Li , Zhiting Hu

Prototype-driven text generation uses non-parametric models that first choose from a library of sentence "prototypes" and then modify the prototype to generate the output text. While effective, these methods are inefficient at test time as…

计算与语言 · 计算机科学 2020-11-05 Junxian He , Taylor Berg-Kirkpatrick , Graham Neubig