研究发现,在上述多个维度上进行的指令微调可显著提升多种模型类别(PaLM、T5、U-PaLM)、多种提示设定以及多种评测基准(MMLU、BBH、TyDiQA、MGSM、开放式生成)上的表现。It is found that instruction finetuning with the above aspects dramatically improves performance on a variety of model classes (PaLM, T5, U-PaLM), prompting setups, and evaluation benchmarks (MMLU, BBH, TyDiQA, MGSM, open-ended generation).
论文
87 张论文卡片 · 工程化 · 方法
一个能够将任意自然语言任务轻松映射为人类可读 prompt 形式的系统,并在覆盖多种任务的多任务混合数据上对预训练 encoder-decoder 模型进行微调。A system for easily mapping any natural language tasks into a human-readable prompted form and fine-tune a pretrained encoder-decoder model on this multitask mixture covering a wide variety of tasks.
本文开发并发布了 Llama 2,这是一系列参数规模从 70 亿到 700 亿不等的预训练与微调大语言模型(LLMs),有望成为闭源模型的合适替代品。This work develops and releases Llama 2, a collection of pretrained and fine-tuned large language models (LLMs) ranging in scale from 7 billion to 70 billion parameters, which may be a suitable substitute for closed-source models.
本研究证实了激活函数之间存在统计显著的性能差异,从而再次确认了非饱和函数在深度架构中的必要性,并恢复了对此前文献的恰当历史归属。This study confirms a statistically significant performance variance among activations, thus reaffirming the necessity of non-saturating functions in deep architectures, and restores proper historical attribution to prior literature.
一种基于二部交互图上可微分消息传递的图自编码器框架,在标准协同过滤基准上表现出竞争力,并优于近期的 SOTA 方法。A graph auto-encoder framework based on differentiable message passing on the bipartite interaction graph that shows competitive performance on standard collaborative filtering benchmarks and outperforms recent state-of-the-art methods.
本文介绍 MLlib,Spark 的开源分布式机器学习库,可为多种学习场景提供高效功能,并包含若干底层的统计、优化和线性代数原语。MLlib is presented, Spark's open-source distributed machine learning library that provides efficient functionality for a wide range of learning settings and includes several underlying statistical, optimization, and linear algebra primitives.
结果表明,基于逻辑的神经架构成为资源受限脑机接口的实用范式,在原生满足便携式边缘部署的延迟和内存约束的同时,取得了有竞争力甚至更优的性能。The results establish logic-based neural architectures as a practical paradigm for resource-constrained brain-computer interfaces, achieving competitive or superior performance while natively satisfying the latency and memory constraints of portable edge deployment.
本文提出通过熵正则化对 Wasserstein 距离进行平滑处理,由此得到一个严格凸的目标函数,其梯度可借助矩阵缩放算法以显著更低的计算代价求得。The Wasserstein distance is proposed to be smoothed with an entropic regularizer and recover in doing so a strictly convex objective whose gradients can be computed for a considerably cheaper computational cost using matrix scaling algorithms.
提出 Manhattan NMF(MahNMF),通过最小化 $X$ 与 $W^T H$ 之间的 Manhattan 距离建模重尾 Laplacian 噪声,并以迭代方式提升 MahNMF 及其扩展的近似精度。Manhattan NMF (MahNMF) is presented which minimizes the Manhattan distance between $X and $W^T H$ for modeling the heavy tailed Laplacian noise and improves the approximation accuracy iteratively for both MahNMF and its extensions.
总结了利用人工智能以及语音与语言处理预测阿尔茨海默病相关认知衰退的现有研究发现。The existing findings on the use of artificial intelligence, speech, and language processing to predict cognitive decline in the context of Alzheimer’s disease are summarized.
提出一种全可微、样本级影响力估计器,可在不进行耗时的逆 Hessian 乘积或凸性假设的前提下,量化因添加或移除数据而产生的参数变化。A fully differentiable, sample-level influence estimator that quantifies parameter shifts from adding or removing data, without time-consuming inverse-Hessian products or convexity assumptions is introduced.
提出一个统一且受控的多轮环境,可在三阶段精确控制长程规划;研究表明,多教师 on-policy 蒸馏 (MOPD) 通过收敛到跨环境共享的规划模式来整合多种能力。A unified and controlled multi-turn environment that enables precise control of long-horizon planning across three stages is introduced and it is shown that multi-teacher on-policy distillation (MOPD) integrates capabilities by converging to shared planning-pattern across environments.
提出 pi-r2-flow,使 action-chunking flow 策略具备实时响应能力,同时保留大型 backbone、表达力强的多模态策略与多动作预测能力,并给出延迟自适应 flow 调度,将 in-flight 动作作为 inpainting 条件,每次调用仅需一步去噪即可输出动作。This work presentspi-r2-flow, which makes action-chunking flow policies reactive and real-time while retaining large backbones, expressive multi-modal policies, and multi-action prediction, and a latency-adaptive flow schedule that treats in-flight actions as inpainting conditioning and emits actions in one denoising step per call.
本文提出 CADENA(西班牙语意为"链"),一种将 3D 网格重建为参数化 CAD 程序的模型,按顺序逐个生成操作序列,并在每一步将目标与当前预测几何进行对比。This work introduces CADENA (Spanish for"chain"), a model that reconstructs a 3D mesh as a parametric CAD program, growing its sequence of operations one at a time and comparing the target with the currently predicted geometry at every step.
本文提出 Wnuan 三阶段流程:从文档构建任务导向监督,结合通用数据回放进行监督微调,对残余误差应用强化学习,阐述分阶段企业适配的收益与通用能力代价Wnuan, a three-stage pipeline that constructs task-oriented supervision from documents, performs supervised fine-tuning with general-data replay, and applies reinforcement learning to residual errors is presented, describing both the gains and the general-capability cost of staged enterprise adaptation.
提出 Knowledge-Geometry Decoupling (KGD) 并引入 Behavioral Multi-Token Prediction (BMTP),仅将协作或语义相关的未来项作为监督,从而得到更干净、更可迁移的行为知识。Knowledge-Geometry Decoupling (KGD) is proposed and Behavioral Multi-Token Prediction (BMTP) is introduced to retain only collaboratively or semantically related future items as supervision, yielding cleaner and more transferable behavioral knowledge.
提出 Semantic-Temporal WAM (ST-WAM),使用 DINOv3 作为未来预测与历史检索的共享语义表示,同时保留细粒度 VAE 动力学,以提升动作鲁棒性;证明语义-时间建模能有效补充像素生成动力学,实现稳健的操作。Semantic-Temporal WAM (ST-WAM) is proposed to improve action robustness by using DINOv3 as a shared semantic representation for future prediction and history retrieval while retaining fine-grained VAE dynamics, demonstrating that semantic-temporal modeling effectively complements pixel-generative dynamics for robust manipulation.
提出 BERTopic,一种通过开发类内 TF-IDF 变体来提取一致性主题表示,从而扩展主题建模流程的主题模型BERTopic is presented, a topic model that extends the process of topic modeling by extracting coherent topic representation through the development of a class-based variation of TF-IDF.
提出一种从校正后的图像对中提取深度信息的方法,使用卷积神经网络在小图像块上学习相似性度量,并针对该任务考察了两种网络架构:一种面向速度优化,另一种面向精度优化This work presents a method for extracting depth information from a rectified image pair by learning a similarity measure on small image patches using a convolutional neural network and examines two network architectures for this task: one tuned for speed, the other for accuracy.
在训练过程中,Random Erasing 在图像中随机选择一个矩形区域并以随机值擦除其像素,在图像分类、目标检测与行人重识别任务中相较于强基线均带来稳定提升In training, Random Erasing randomly selects a rectangle region in an image and erases its pixels with random values and yields consistent improvement over strong baselines in image classification, object detection and person re-identification.
提出 CALVER (Causal Axiom-Level VERification),一种无需训练的对称验证器,根据 Pearl 的因果准则(包括 d-分离、backdoor 调整与干预)对结构化 trace 评分,并在不参考标准答案的情况下选择得分最高的候选。This work introduces CALVER (Causal Axiom-Level VERification), a training-free symbolic verifier that scores structured traces against Pearl's causal criteria, including -separation, backdoor adjustment, and intervention, and selects the highest-scoring candidate without consulting a reference answer.
提出 ReflectRL,一个轻量级即插即用框架,在 on-policy 训练中从 Golden Negative Trajectories 中学习:先利用这些 trajectory 引出 Reflective Reasoning,再通过 Reflective-to-Direct Policy Transition 将所学到的推理行为迁移回 Direct Reasoning。ReflectRL is proposed, a lightweight plug-and-play framework that learns from Golden Negative Trajectories during on-policy training, and first uses these trajectories to elicit Reflective Reasoning, then applies Reflective-to-Direct Policy Transition to transfer the acquired reasoning behavior back to Direct Reasoning.
K-EXAONE 2.0 在 K-EXAONE 基础上进一步提升,并保持与开源权重模型的竞争力,其最大提升体现在 agentic coding 与长上下文理解上,在长上下文检索与安全性方面优势最为明显。K-EXAONE 2.0 improves over K-EXAONE and remains competitive with open-weight models, showing its largest gains in agentic coding and long-context understanding and its clearest strengths in long-context retrieval and safety.
提出 MultiPathFormer,一种自回归基础模型,将每条发射端–接收端链路表示为连续值路径 token 的有序序列,并通过下一路径预测进行预训练,证明路径级预训练可学习无线传播的可复用表征。MultiPathFormer, an autoregressive foundation model that represents each transmitter-receiver link as an ordered sequence of continuous-valued path tokens and pretrains with next-path prediction, is presented, showing that path-level pretraining can learn reusable representations of wireless propagation.
实验表明,在 Ego2Robot 合成数据与机器人数据上的联合预训练在多种扰动类型上一致提升分布外泛化能力,并在真实机器人部署中得到验证。Experiments show that joint pretraining on Ego2Robot-synthesized and robot data consistently improves out-of-distribution generalization across multiple perturbation types, with benefits validated on real-robot deployment.
文章介绍了一种自监督视觉表征模型 BEiT(Bidirectional Encoder representation from Image Transformers),在图像分类和语义分割上的结果表明,该模型取得了与先前预训练方法相当的竞争性结果。A self-supervised vision representation model BEiT, which stands for Bidirectional Encoder representation from Image Transformers, is introduced, and results on image classification and semantic segmentation show that the model achieves competitive results with previous pre-training methods.
本文提出一种多任务深度学习的原则性方法,通过考虑各任务的同方差不确定性来加权多个损失函数,从而在分类与回归场景下同时学习具有不同单位或尺度的多种量。A principled approach to multi-task deep learning is proposed which weighs multiple loss functions by considering the homoscedastic uncertainty of each task, allowing us to simultaneously learn various quantities with different units or scales in both classification and regression settings.
基于该三轴框架,系统梳理代表性方法,追踪持续学习的演进趋势,并讨论由此引发的关键挑战、更广泛的影响以及未来方向。Anchored by this tri-axial framework, representative methods are systematically surveyed, the ongoing transition of continual learning is traced, and the key challenges, broader implications, and future directions arising from this paradigm shift are discussed.
结果表明,使用人类反馈进行微调是使语言模型与人类意图对齐的一个有前景的方向,在真实性方面有所提升,并减少了有毒输出的生成,同时在公开 NLP 数据集上的性能回归极小。The results show that fine-tuning with human feedback is a promising direction for aligning language models with human intent and showing improvements in truthfulness and reductions in toxic output generation while having minimal performance regressions on public NLP datasets.
GaussianSelector 在选择质量上与 SOTA 的多视角 SAM 方法相当,同时所需交互视角显著更少、计算开销明显更低,因而非常适合真实场景下 human-in-the-loop 的 3D 场景编辑与 3D 资产提取。GaussianSelector achieves competitive selection quality against state-of-the-art multi-view SAM-based methods, while requiring significantly fewer interaction views and substantially lower computational overhead, which makes it well suited for human-in-the-loop 3D scene editing and 3D asset extraction in real-world deployment scenarios.
本文详细阐述了驱动 PyTorch 实现的原则及其在架构中的体现,并解释了 runtime 关键组件的精心且务实的实现如何使其协同工作以获得出色的性能。This paper details the principles that drove the implementation of PyTorch and how they are reflected in its architecture, and explains how the careful and pragmatic implementation of the key components of its runtime enables them to work together to achieve compelling performance.
本文提出了一种基于迭代模型平均的深度网络联邦学习实践方法,并进行了广泛的实证评估,考虑了五种不同的模型架构和四个数据集。This work presents a practical method for the federated learning of deep networks based on iterative model averaging, and conducts an extensive empirical evaluation, considering five different model architectures and four datasets.
本文提出了一种通过创建在所有边缘设备之间全局共享的小型数据子集来改进非独立同分布数据训练的策略,并表明在 CIFAR-10 数据集上,仅共享 5% 的全局数据即可将准确率提升 30%。This work presents a strategy to improve training on non-IID data by creating a small subset of data which is globally shared between all the edge devices, and shows that accuracy can be increased by 30% for the CIFAR-10 dataset with only 5% globally shared data.
采用迭代的在线训练模式,按周节奏用新的人类反馈数据更新偏好模型与 RL 策略,并发现 RL 奖励与策略相对其初始化的 KL 散度平方根之间近似呈线性关系。An iterated online mode of training, where preference models and RL policies are updated on a weekly cadence with fresh human feedback data, and a roughly linear relation between the RL reward and the square root of the KL divergence between the policy and its initialization is identified.
研究发现,微调后的 AO 可能变成概念特异的 anti-reader:它们会选择性地无法恢复自身训练过程中持续存在的概念,从而对习得的可解释性接口提出可靠性担忧。It is found that fine-tuned AOs can become concept-specific anti-readers: they selectively fail to recover the concept persistently present during their own training, raising a reliability concern for learned interpretability interfaces.
Manifold Mixup 在监督学习、对单步对抗攻击的鲁棒性、半监督学习以及留出样本的负对数似然(NLL)上,相较强基线均取得了大幅提升。Manifold Mixup achieves large improvements over strong baselines in supervised learning, robustness to single-step adversarial attacks, semi-supervised learning, and Negative Log-Likelihood on held out samples.