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相关论文: Relating Neural Text Degeneration to Exposure Bias

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Recent improvements in the quality of the generations by large language models have spurred research into identifying machine-generated text. Such work often presents high-performing detectors. However, humans and machines can produce text…

计算与语言 · 计算机科学 2024-12-13 Jad Doughman , Osama Mohammed Afzal , Hawau Olamide Toyin , Shady Shehata , Preslav Nakov , Zeerak Talat

Recently, contrastive learning attracts increasing interests in neural text generation as a new solution to alleviate the exposure bias problem. It introduces a sequence-level training signal which is crucial to generation tasks that always…

计算与语言 · 计算机科学 2023-02-06 Chenxin An , Jiangtao Feng , Kai Lv , Lingpeng Kong , Xipeng Qiu , Xuanjing Huang

Double descent presents a counter-intuitive aspect within the machine learning domain, and researchers have observed its manifestation in various models and tasks. While some theoretical explanations have been proposed for this phenomenon…

机器学习 · 计算机科学 2024-04-26 Yufei Gu , Xiaoqing Zheng , Tomaso Aste

Language coverage bias, which indicates the content-dependent differences between sentence pairs originating from the source and target languages, is important for neural machine translation (NMT) because the target-original training data…

计算与语言 · 计算机科学 2021-06-08 Shuo Wang , Zhaopeng Tu , Zhixing Tan , Shuming Shi , Maosong Sun , Yang Liu

Generic generation and manipulation of text is challenging and has limited success compared to recent deep generative modeling in visual domain. This paper aims at generating plausible natural language sentences, whose attributes are…

机器学习 · 计算机科学 2018-09-14 Zhiting Hu , Zichao Yang , Xiaodan Liang , Ruslan Salakhutdinov , Eric P. Xing

More than 40 years after the first discussion, it was recently reported the detection of a self-lensing phenomenon within a binary system where the brightness of a background star is magnified by its foreground companion. It is expected…

太阳与恒星天体物理 · 物理学 2016-03-23 Cheongho Han

Text generation aims to produce human-like natural language output for down-stream tasks. It covers a wide range of applications like machine translation, document summarization, dialogue generation and so on. Recently deep neural…

计算与语言 · 计算机科学 2022-03-07 Xiaoyu Shen

Detecting and mitigating harmful biases in modern language models are widely recognized as crucial, open problems. In this paper, we take a step back and investigate how language models come to be biased in the first place. We use a…

计算与语言 · 计算机科学 2022-07-22 Oskar van der Wal , Jaap Jumelet , Katrin Schulz , Willem Zuidema

Large Language Models (LLMs) have demonstrated a powerful ability for text generation. However, achieving optimal results with a given prompt or instruction can be challenging, especially for billion-sized models. Additionally, undesired…

计算与语言 · 计算机科学 2024-10-07 Lifu Tu , Semih Yavuz , Jin Qu , Jiacheng Xu , Rui Meng , Caiming Xiong , Yingbo Zhou

Recent advancements in natural language generation has raised serious concerns. High-performance language models are widely used for language generation tasks because they are able to produce fluent and meaningful sentences. These models…

计算与语言 · 计算机科学 2020-10-06 Saurabh Gupta , Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Textual data used to train large language models (LLMs) exhibits multifaceted bias manifestations encompassing harmful language and skewed demographic distributions. Regulations such as the European AI Act require identifying and mitigating…

Models trained on datasets with texture bias usually perform poorly on out-of-distribution samples since biased representations are embedded into the model. Recently, various image translation and debiasing methods have attempted to…

计算机视觉与模式识别 · 计算机科学 2023-01-04 Myeongkyun Kang , Dongkyu Won , Miguel Luna , Philip Chikontwe , Kyung Soo Hong , June Hong Ahn , Sang Hyun Park

Despite their growing capabilities, language models still frequently reproduce content from their training data, generate repetitive text, and favor common grammatical patterns and vocabulary. A possible cause is the decoding strategy: the…

计算与语言 · 计算机科学 2026-01-15 Giorgio Franceschelli , Mirco Musolesi

Recent generative large language models (LLMs) show remarkable performance in non-English languages, but when prompted in those languages they tend to express higher harmful social biases and toxicity levels. Prior work has shown that…

计算与语言 · 计算机科学 2025-06-03 Vera Neplenbroek , Arianna Bisazza , Raquel Fernández

Text-editing models have recently become a prominent alternative to seq2seq models for monolingual text-generation tasks such as grammatical error correction, simplification, and style transfer. These tasks share a common trait - they…

While recent developments in text-to-image generative models have led to a suite of high-performing methods capable of producing creative imagery from free-form text, there are several limitations. By analyzing the cross-attention…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Aishwarya Agarwal , Srikrishna Karanam , K J Joseph , Apoorv Saxena , Koustava Goswami , Balaji Vasan Srinivasan

Natural language generation models reproduce and often amplify the biases present in their training data. Previous research explored using sequence-to-sequence rewriting models to transform biased model outputs (or original texts) into more…

计算与语言 · 计算机科学 2023-05-19 Chantal Amrhein , Florian Schottmann , Rico Sennrich , Samuel Läubli

Large pre-trained language models have repeatedly shown their ability to produce fluent text. Yet even when starting from a prompt, generation can continue in many plausible directions. Current decoding methods with the goal of controlling…

计算与语言 · 计算机科学 2021-09-21 Damian Pascual , Beni Egressy , Clara Meister , Ryan Cotterell , Roger Wattenhofer

The emergence of large language models (LLMs) has resulted in the production of LLM-generated texts that is highly sophisticated and almost indistinguishable from texts written by humans. However, this has also sparked concerns about the…

计算与语言 · 计算机科学 2023-06-06 Ruixiang Tang , Yu-Neng Chuang , Xia Hu

Current approaches to text generation largely rely on autoregressive models and maximum likelihood estimation. This paradigm leads to (i) diverse but low-quality samples due to mismatched learning objective and evaluation metric (likelihood…

计算与语言 · 计算机科学 2021-03-04 Richard Yuanzhe Pang , He He