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Distant supervision can effectively label data for relation extraction, but suffers from the noise labeling problem. Recent works mainly perform soft bag-level noise reduction strategies to find the relatively better samples in a sentence…

计算与语言 · 计算机科学 2018-05-28 Pengda Qin , Weiran Xu , William Yang Wang

Generative retrieval is a promising new paradigm in text retrieval that generates identifier strings of relevant passages as the retrieval target. This paradigm leverages powerful generative language models, distinct from traditional sparse…

计算与语言 · 计算机科学 2024-02-19 Yongqi Li , Zhen Zhang , Wenjie Wang , Liqiang Nie , Wenjie Li , Tat-Seng Chua

Large language models (LLMs) often experience language confusion, which is the unintended mixing of languages during text generation. Current solutions to this problem either necessitate model retraining or cannot differentiate between…

计算与语言 · 计算机科学 2025-10-21 Collin Zhang , Fei Huang , Chenhan Yuan , Junyang Lin

Given a language model (LM), maximum probability is a poor decoding objective for open-ended generation, because it produces short and repetitive text. On the other hand, sampling can often produce incoherent text that drifts from the…

Data-Free Knowledge Distillation (DFKD) has shown great potential in creating a compact student model while alleviating the dependency on real training data by synthesizing surrogate data. However, prior arts are seldom discussed under…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yunyi Xuan , Weijie Chen , Shicai Yang , Di Xie , Luojun Lin , Yueting Zhuang

As a kind of generative self-supervised learning methods, generative adversarial nets have been widely studied in the field of anomaly detection. However, the representation learning ability of the generator is limited since it pays too…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Xuan Xia , Xizhou Pan , Xing He , Jingfei Zhang , Ning Ding , Lin Ma

Our work focuses on unsupervised and generative methods that address the following goals: (a) learning unsupervised generative representations that discover latent factors controlling image semantic attributes, (b) studying how this ability…

计算机视觉与模式识别 · 计算机科学 2021-06-08 William Paul , I-Jeng Wang , Fady Alajaji , Philippe Burlina

We demonstrate that Contrastive Decoding -- a simple, computationally light, and training-free text generation method proposed by Li et al 2022 -- achieves large out-of-the-box improvements over greedy decoding on a variety of reasoning…

计算与语言 · 计算机科学 2023-10-02 Sean O'Brien , Mike Lewis

Neural dependency parsing has proven very effective, achieving state-of-the-art results on numerous domains and languages. Unfortunately, it requires large amounts of labeled data, that is costly and laborious to create. In this paper we…

计算与语言 · 计算机科学 2019-11-12 Guy Rotman , Roi Reichart

Data-to-Text Generation (DTG) is a subfield of Natural Language Generation aiming at transcribing structured data in natural language descriptions. The field has been recently boosted by the use of neural-based generators which exhibit on…

Recent advancements in Large Language Models (LLMs) have significantly enhanced their capacity to process long contexts. However, effectively utilizing this long context remains a challenge due to the issue of distraction, where irrelevant…

计算与语言 · 计算机科学 2024-11-12 Zijun Wu , Bingyuan Liu , Ran Yan , Lei Chen , Thomas Delteil

Generative Zero-Shot Learning (ZSL) methods synthesize class-related features based on predefined class semantic prototypes, showcasing superior performance. However, this feature generation paradigm falls short of providing interpretable…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Dingjie Fu , Wenjin Hou , Shiming Chen , Shuhuang Chen , Xinge You , Salman Khan , Fahad Shahbaz Khan

Fast and high-quality language generation is the holy grail that people pursue in the age of AI. In this work, we introduce Discrete Diffusion Divergence Instruct (DiDi-Instruct), a training-based method that initializes from a pre-trained…

计算与语言 · 计算机科学 2026-03-13 Haoyang Zheng , Xinyang Liu , Cindy Xiangrui Kong , Nan Jiang , Zheyuan Hu , Weijian Luo , Wei Deng , Guang Lin

The generative priors of pre-trained latent diffusion models (DMs) have demonstrated great potential to enhance the visual quality of image super-resolution (SR) results. However, the noise sampling process in DMs introduces randomness in…

图像与视频处理 · 电气工程与系统科学 2024-09-26 Lingchen Sun , Rongyuan Wu , Jie Liang , Zhengqiang Zhang , Hongwei Yong , Lei Zhang

Recent advancements in large language models (LLMs) have demonstrated their potential in automating the scientific research ideation. Existing approaches primarily focus on prompting techniques, often producing ideas misaligned with expert…

计算与语言 · 计算机科学 2025-11-17 Ruochen Li , Liqiang Jing , Chi Han , Jiawei Zhou , Xinya Du

In this paper, we propose a new paradigm for paraphrase generation by treating the task as unsupervised machine translation (UMT) based on the assumption that there must be pairs of sentences expressing the same meaning in a large-scale…

计算与语言 · 计算机科学 2022-09-12 Xiaofei Sun , Yufei Tian , Yuxian Meng , Nanyun Peng , Fei Wu , Jiwei Li , Chun Fan

(Very early draft)Traditional supervised learning keeps pushing convolution neural network(CNN) achieving state-of-art performance. However, lack of large-scale annotation data is always a big problem due to the high cost of it, even…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Zhibo Wang , Shen Yan , Xiaoyu Zhang , Niels Lobo

Data-Free Knowledge Distillation (DFKD) plays a vital role in compressing the model when original training data is unavailable. Previous works for DFKD in NLP mainly focus on distilling encoder-only structures like BERT on classification…

计算与语言 · 计算机科学 2023-11-06 Zheyuan Bai , Xinduo Liu , Hailin Hu , Tianyu Guo , Qinghua Zhang , Yunhe Wang

Despite the success of distillation in large language models (LLMs), most prior work applies identical loss functions to both teacher- and student-generated data. These strategies overlook the synergy between loss formulations and data…

计算与语言 · 计算机科学 2025-06-02 Jongwoo Ko , Tianyi Chen , Sungnyun Kim , Tianyu Ding , Luming Liang , Ilya Zharkov , Se-Young Yun

Controlled text generation allows for enforcing user-defined constraints on large language model outputs, an increasingly important field as LLMs become more prevalent in everyday life. One common approach uses energy-based decoding, which…

计算与语言 · 计算机科学 2025-02-07 Patrick Pynadath , Ruqi Zhang