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Attention-based transformers have become the standard architecture in many deep learning fields, primarily due to their ability to model long-range dependencies and handle variable-length input sequences. However, the attention mechanism…

机器学习 · 计算机科学 2024-06-18 Kalle Hilsenbek

Recent deep learning models have shown improving results to natural language generation (NLG) irrespective of providing sufficient annotated data. However, a modest training data may harm such models performance. Thus, how to build a…

计算与语言 · 计算机科学 2018-11-13 Van-Khanh Tran , Le-Minh Nguyen

Over the past few years, there has been growing interest in developing larger and deeper neural networks, including deep generative models like generative adversarial networks (GANs). However, GANs typically come with high computational…

机器学习 · 计算机科学 2023-11-21 Yite Wang , Jing Wu , Naira Hovakimyan , Ruoyu Sun

In an effort to further advance semi-supervised generative and classification tasks, we propose a simple yet effective training strategy called dual pseudo training (DPT), built upon strong semi-supervised learners and diffusion models. DPT…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Zebin You , Yong Zhong , Fan Bao , Jiacheng Sun , Chongxuan Li , Jun Zhu

Recent approaches to question generation have used modifications to a Seq2Seq architecture inspired by advances in machine translation. Models are trained using teacher forcing to optimise only the one-step-ahead prediction. However, at…

计算与语言 · 计算机科学 2019-06-04 Tom Hosking , Sebastian Riedel

In the context of neuroevolution, Quality-Diversity algorithms have proven effective in generating repertoires of diverse and efficient policies by relying on the definition of a behavior space. A natural goal induced by the creation of…

神经与进化计算 · 计算机科学 2023-09-14 Valentin Macé , Raphaël Boige , Felix Chalumeau , Thomas Pierrot , Guillaume Richard , Nicolas Perrin-Gilbert

Ensuring safety of large language models (LLMs) is important. Red teaming--a systematic approach to identifying adversarial prompts that elicit harmful responses from target LLMs--has emerged as a crucial safety evaluation method. Within…

机器学习 · 计算机科学 2025-06-10 Ren-Jian Wang , Ke Xue , Zeyu Qin , Ziniu Li , Sheng Tang , Hao-Tian Li , Shengcai Liu , Chao Qian

For a computer to naturally interact with a human, it needs to be human-like. In this paper, we propose a neural response generation model with multi-task learning of generation and classification, focusing on emotion. Our model based on…

计算与语言 · 计算机科学 2021-05-26 Tatsuya Ide , Daisuke Kawahara

Deep-learning models for language generation tasks tend to produce repetitive output. Various methods have been proposed to encourage lexical diversity during decoding, but this often comes at a cost to the perceived fluency and adequacy of…

计算与语言 · 计算机科学 2021-09-22 Giulio Zhou , Gerasimos Lampouras

Accuracy of English-language Question Answering (QA) systems has improved significantly in recent years with the advent of Transformer-based models (e.g., BERT). These models are pre-trained in a self-supervised fashion with a large English…

计算与语言 · 计算机科学 2022-04-13 Gokul Karthik Kumar , Abhishek Singh Gehlot , Sahal Shaji Mullappilly , Karthik Nandakumar

Dialogue systems are usually built on either generation-based or retrieval-based approaches, yet they do not benefit from the advantages of different models. In this paper, we propose a Retrieval-Enhanced Adversarial Training (REAT) method…

计算与语言 · 计算机科学 2019-05-24 Qingfu Zhu , Lei Cui , Weinan Zhang , Furu Wei , Ting Liu

Retrieval Augmented Generation (RAG) enhances language model performance by incorporating external knowledge retrieved from large corpora, which makes it highly suitable for tasks such as open domain question answering. Standard RAG systems…

信息检索 · 计算机科学 2025-12-17 Malika Iratni , Mohand Boughanem , Taoufiq Dkaki

Data generation remains a bottleneck in training surrogate models to predict molecular properties. We demonstrate that multitask Gaussian process regression overcomes this limitation by leveraging both expensive and cheap data sources. In…

化学物理 · 物理学 2024-07-11 Katharine Fisher , Michael Herbst , Youssef Marzouk

Modern GANs excel at generating high quality and diverse images. However, when transferring the pretrained GANs on small target data (e.g., 10-shot), the generator tends to replicate the training samples. Several methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yunqing Zhao , Henghui Ding , Houjing Huang , Ngai-Man Cheung

This paper studies multi-task training of retrieval-augmented generation models for knowledge-intensive tasks. We propose to clean the training set by utilizing a distinct property of knowledge-intensive generation: The connection of…

计算与语言 · 计算机科学 2022-07-08 Sebastian Hofstätter , Jiecao Chen , Karthik Raman , Hamed Zamani

Recently, pre-trained transformer-based models have achieved great success in the task of definition generation (DG). However, previous encoder-decoder models lack effective representation learning to contain full semantic components of the…

计算与语言 · 计算机科学 2022-10-04 Hengyuan Zhang , Dawei Li , Shiping Yang , Yanran Li

Sora-like video generation models have achieved remarkable progress with a Multi-Modal Diffusion Transformer MM-DiT architecture. However, the current video generation models predominantly focus on single-prompt, struggling to generate…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Minghong Cai , Xiaodong Cun , Xiaoyu Li , Wenze Liu , Zhaoyang Zhang , Yong Zhang , Ying Shan , Xiangyu Yue

Recently, generative methods have been widely used in keyphrase prediction, thanks to their capability to produce both present keyphrases that appear in the source text and absent keyphrases that do not match any source text. However, the…

计算与语言 · 计算机科学 2020-04-23 Rui Liu , Zheng Lin , Weiping Wang

Knowledge Tracing (KT) monitors students' knowledge states and simulates their responses to question sequences. Existing KT models typically follow a single-step training paradigm, which leads to discrepancies with the multi-step inference…

机器学习 · 计算机科学 2026-01-06 Lingyue Fu , Ting Long , Jianghao Lin , Wei Xia , Xinyi Dai , Ruiming Tang , Yasheng Wang , Weinan Zhang , Yong Yu

Pre-trained text encoders such as BERT and its variants have recently achieved state-of-the-art performances on many NLP tasks. While being effective, these pre-training methods typically demand massive computation resources. To accelerate…

计算与语言 · 计算机科学 2022-03-04 Jiaming Shen , Jialu Liu , Tianqi Liu , Cong Yu , Jiawei Han