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Fine-tuning LLM-based text embedders via contrastive learning maps inputs and outputs into a new representational space, discarding the LLM's output semantics. We propose LLM2Vec-Gen, a self-supervised alternative that instead produces…

Large-scale pre-trained language models such as BERT have contributed significantly to the development of NLP. However, those models require large computational resources, making it difficult to be applied to mobile devices where computing…

计算与语言 · 计算机科学 2023-08-02 Weixin Wu , Hankz Hankui Zhuo

Pre-training models have been proved effective for a wide range of natural language processing tasks. Inspired by this, we propose a novel dialogue generation pre-training framework to support various kinds of conversations, including…

计算与语言 · 计算机科学 2020-05-01 Siqi Bao , Huang He , Fan Wang , Hua Wu , Haifeng Wang

Large language models (LLMs) are increasingly adapted to downstream tasks via reinforcement learning (RL) methods like Group Relative Policy Optimization (GRPO), which often require thousands of rollouts to learn new tasks. We argue that…

Large generative models (for example, language and diffusion models) enable high-quality text and image synthesis but are hard to train or adapt in cross-device federated settings due to heavy computation and communication and…

机器学习 · 计算机科学 2025-12-30 Kabir Khan , Manju Sarkar , Anita Kar , Suresh Ghosh

As the cost of training large language models continues to increase and high-quality training data become increasingly scarce, selecting high-value samples or synthesizing effective training data under limited data budgets has emerged as a…

计算与语言 · 计算机科学 2026-01-19 Bo Yang , Yunkui Chen , Lanfei Feng , Yu Zhang , Shijian Li

Many inference problems in structured prediction are naturally solved by augmenting a tractable dependency structure with complex, non-local auxiliary objectives. This includes the mean field family of variational inference algorithms,…

机器学习 · 统计学 2016-11-29 Luke Vilnis , David Belanger , Daniel Sheldon , Andrew McCallum

Despite strong performance in data-rich regimes, deep learning often underperforms in the data-scarce settings common in practice. While foundation models (FMs) trained on massive datasets demonstrate strong generalization by extracting…

机器学习 · 计算机科学 2026-02-10 Jaesung Bae , Minje Kim

Numerical approximations of partial differential equations (PDEs) are routinely employed to formulate the solution of physics, engineering, and mathematical problems involving functions of several variables, such as the propagation of heat…

Causal structure learning has been a challenging task in the past decades and several mainstream approaches such as constraint- and score-based methods have been studied with theoretical guarantees. Recently, a new approach has transformed…

机器学习 · 计算机科学 2019-11-19 Ignavier Ng , Shengyu Zhu , Zhitang Chen , Zhuangyan Fang

In this paper, a new gradient-based optimization approach by automatically adjusting the learning rate is proposed. This approach can be applied to design non-adaptive learning rate and adaptive learning rate. Firstly, I will introduce the…

机器学习 · 计算机科学 2022-07-07 Xin Cao

Joint-Embedding Predictive Architectures (JEPAs) have recently emerged as a novel and powerful technique for self-supervised representation learning. They aim to learn an energy-based model by predicting the latent representation of a…

机器学习 · 计算机科学 2025-01-22 Geri Skenderi , Hang Li , Jiliang Tang , Marco Cristani

Reversible architectures have been shown to be capable of performing on par with their non-reversible architectures, being applied in deep learning for memory savings and generative modeling. In this work, we show how reversible…

Although Large Language Models (LLMs) exhibit remarkable adaptability across domains, these models often fall short in structured knowledge extraction tasks such as named entity recognition (NER). This paper explores an innovative,…

计算与语言 · 计算机科学 2024-06-11 Yuzhao Heng , Chunyuan Deng , Yitong Li , Yue Yu , Yinghao Li , Rongzhi Zhang , Chao Zhang

Drawing inspiration from gradient-based meta-learning methods with infinitely small gradient steps, we introduce Continuous-Time Meta-Learning (COMLN), a meta-learning algorithm where adaptation follows the dynamics of a gradient vector…

机器学习 · 计算机科学 2022-03-04 Tristan Deleu , David Kanaa , Leo Feng , Giancarlo Kerg , Yoshua Bengio , Guillaume Lajoie , Pierre-Luc Bacon

Enhancing neural networks with knowledge of physical equations has become an efficient way of solving various physics problems, from fluid flow to electromagnetism. Graph neural networks show promise in accurately representing irregularly…

机器学习 · 计算机科学 2022-04-01 Mike Y. Michelis , Robert K. Katzschmann

Paraphrase generation has benefited extensively from recent progress in the designing of training objectives and model architectures. However, previous explorations have largely focused on supervised methods, which require a large amount of…

计算与语言 · 计算机科学 2021-09-14 Tong Niu , Semih Yavuz , Yingbo Zhou , Nitish Shirish Keskar , Huan Wang , Caiming Xiong

In the field of large language model (LLM) post-training, the effectiveness of utilizing synthetic data generated by the LLM itself has been well-presented. However, a key question remains unaddressed: what essential information should such…

计算与语言 · 计算机科学 2025-05-02 Jin Zhang , Flood Sung , Zhilin Yang , Yang Gao , Chongjie Zhang

Parameter-specific adaptive learning rate methods are computationally efficient ways to reduce the ill-conditioning problems encountered when training large deep networks. Following recent work that strongly suggests that most of the…

机器学习 · 计算机科学 2015-09-01 Yann N. Dauphin , Harm de Vries , Yoshua Bengio

We introduce a method for inferring an explicit PDE from a data sample generated by previously unseen dynamics, based on a learned context. The training phase integrates knowledge of the form of the equation with a differential scheme,…

机器学习 · 计算机科学 2024-06-10 Ori Linial , Orly Avner , Dotan Di Castro
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