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Fine-tuning is the de facto way to leverage large pretrained language models to perform downstream tasks. However, it modifies all the language model parameters and therefore necessitates storing a full copy for each task. In this paper, we…

Computation and Language · Computer Science 2021-01-05 Xiang Lisa Li , Percy Liang

In a controllable text generation dataset, there exist unannotated attributes that could provide irrelevant learning signals to models that use it for training and thus degrade their performance. We propose focused prefix tuning(FPT) to…

Computation and Language · Computer Science 2023-06-13 Congda Ma , Tianyu Zhao , Makoto Shing , Kei Sawada , Manabu Okumura

Prefix-tuning, or more generally continuous prompt tuning, has become an essential paradigm of parameter-efficient transfer learning. Using a large pre-trained language model (PLM), prefix-tuning can obtain strong performance by training…

Computation and Language · Computer Science 2022-10-27 Yifan Chen , Devamanyu Hazarika , Mahdi Namazifar , Yang Liu , Di Jin , Dilek Hakkani-Tur

To guide the generation of large pretrained language models (LM), previous work has focused on directly fine-tuning the language model or utilizing an attribute discriminator. In this work, we propose a novel lightweight framework for…

Computation and Language · Computer Science 2022-03-01 Jing Qian , Li Dong , Yelong Shen , Furu Wei , Weizhu Chen

Existing knowledge-grounded conversation systems generate responses typically in a retrieve-then-generate manner. They require a large knowledge base and a strong knowledge retrieval component, which is time- and resource-consuming. In this…

Computation and Language · Computer Science 2023-06-28 Jiaqi Bai , Zhao Yan , Jian Yang , Xinnian Liang , Hongcheng Guo , Zhoujun Li

Neural table-to-text generation approaches are data-hungry, limiting their adaptation for low-resource real-world applications. Previous works mostly resort to Pre-trained Language Models (PLMs) to generate fluent summaries of a table.…

Computation and Language · Computer Science 2022-08-24 Yutao Luo , Menghua Lu , Gongshen Liu , Shilin Wang

Fine-tuning large pre-trained language models on various downstream tasks with whole parameters is prohibitively expensive. Hence, Parameter-efficient fine-tuning has attracted attention that only optimizes a few task-specific parameters…

Computation and Language · Computer Science 2023-05-25 Zhen-Ru Zhang , Chuanqi Tan , Haiyang Xu , Chengyu Wang , Jun Huang , Songfang Huang

Aligning large language models (LLMs) with human preferences is essential for safe and useful LLMs. Previous works mainly adopt reinforcement learning (RLHF) and direct preference optimization (DPO) with human feedback for alignment.…

Computation and Language · Computer Science 2023-10-03 Tianci Xue , Ziqi Wang , Heng Ji

We propose Prefix-Adaptive Decoding (PREADD), a flexible method for controlled text generation. Unlike existing methods that use auxiliary expert models to control for attributes, PREADD does not require an external model, instead relying…

Computation and Language · Computer Science 2023-07-10 Jonathan Pei , Kevin Yang , Dan Klein

Transformer-based Large Language Models (LLMs) have shown exceptional language generation capabilities in response to text-based prompts. However, controlling the direction of generation via textual prompts has been challenging, especially…

Computation and Language · Computer Science 2024-04-09 Rohan Deepak Ajwani , Zining Zhu , Jonathan Rose , Frank Rudzicz

Recently, pretrained language models (PLMs) have had exceptional success in language generation. To leverage the rich knowledge encoded by PLMs, a simple yet powerful paradigm is to use prompts in the form of either discrete tokens or…

Computation and Language · Computer Science 2022-10-04 Tianyi Tang , Junyi Li , Wayne Xin Zhao , Ji-Rong Wen

Current efficient fine-tuning methods (e.g., adapters, prefix-tuning, etc.) have optimized conditional text generation via training a small set of extra parameters of the neural language model, while freezing the rest for efficiency. While…

Computation and Language · Computer Science 2022-05-24 Marjan Ghazvininejad , Vladimir Karpukhin , Vera Gor , Asli Celikyilmaz

Prompt-tuning has become an increasingly popular parameter-efficient method for adapting large pretrained language models to downstream tasks. However, both discrete prompting and continuous prompting assume fixed prompts for all data…

Computation and Language · Computer Science 2023-07-12 Runcheng Liu , Ahmad Rashid , Ivan Kobyzev , Mehdi Rezagholizadeh , Pascal Poupart

Parameter-efficient tuning aims to mitigate the large memory requirements of adapting pretrained language models for downstream tasks. For example, one popular method, prefix-tuning, prepends trainable tokens to sequences while freezing the…

Computation and Language · Computer Science 2023-05-26 Jonathan Li , Will Aitken , Rohan Bhambhoria , Xiaodan Zhu

While most research on controllable text generation has focused on steering base Language Models, the emerging instruction-tuning and prompting paradigm offers an alternate approach to controllability. We compile and release ConGenBench, a…

Computation and Language · Computer Science 2024-05-03 Dhananjay Ashok , Barnabas Poczos

Prompting and context-based fine-tuning methods, which we call Prefix Learning, have been proposed to enhance the performance of language models on various downstream tasks. They are empirically efficient and effective, matching the…

Machine Learning · Computer Science 2024-10-17 Yingyu Liang , Zhenmei Shi , Zhao Song , Chiwun Yang

Syntactically controlled paraphrase generation requires language models to generate paraphrases for sentences according to specific syntactic structures. Existing fine-tuning methods for this task are costly as all the parameters of the…

Computation and Language · Computer Science 2023-05-29 Yixin Wan , Kuan-Hao Huang , Kai-Wei Chang

We introduce a simple and efficient method, called Auxiliary Tuning, for adapting a pre-trained Language Model to a novel task; we demonstrate this approach on the task of conditional text generation. Our approach supplements the original…

Computation and Language · Computer Science 2020-07-01 Yoel Zeldes , Dan Padnos , Or Sharir , Barak Peleg

This work aims to employ natural language generation (NLG) to rapidly generate items for English language learning applications: this requires both language models capable of generating fluent, high-quality English, and to control the…

Computation and Language · Computer Science 2022-11-30 Kevin Stowe , Debanjan Ghosh , Mengxuan Zhao

Efficiently fine-tuning Large Language Models (LLMs) for specific tasks presents a considerable challenge in natural language processing. Traditional methods, like prompt or prefix tuning, typically rely on arbitrary tokens for training,…

Computation and Language · Computer Science 2024-04-16 Md. Kowsher , Md. Shohanur Islam Sobuj , Asif Mahmud , Nusrat Jahan Prottasha , Prakash Bhat
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