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Relation extraction (RE) models have been challenged by their reliance on training data with expensive annotations. Considering that summarization tasks aim at acquiring concise expressions of synoptical information from the longer context,…

计算与语言 · 计算机科学 2022-10-24 Keming Lu , I-Hung Hsu , Wenxuan Zhou , Mingyu Derek Ma , Muhao Chen

As transfer learning techniques are increasingly used to transfer knowledge from the source model to the target task, it becomes important to quantify which source models are suitable for a given target task without performing…

Canonical work handling distribution shifts typically necessitates an entire target distribution that lands inside the training distribution. However, practical scenarios often involve only a handful of target samples, potentially lying…

机器学习 · 计算机科学 2025-01-17 Lingjing Kong , Guangyi Chen , Petar Stojanov , Haoxuan Li , Eric P. Xing , Kun Zhang

We present Relational Sentence Embedding (RSE), a new paradigm to further discover the potential of sentence embeddings. Prior work mainly models the similarity between sentences based on their embedding distance. Because of the complex…

计算与语言 · 计算机科学 2023-06-09 Bin Wang , Haizhou Li

Our goal is to enable robots to learn cost functions from user guidance. Often it is difficult or impossible for users to provide full demonstrations, so corrections have emerged as an easier guidance channel. However, when robots learn…

机器人学 · 计算机科学 2019-03-12 Jason Y. Zhang , Anca D. Dragan

The goal of lifelong learning is to continuously learn from non-stationary distributions, where the non-stationarity is typically imposed by a sequence of distinct tasks. Prior works have mostly considered idealistic settings, where the…

机器学习 · 计算机科学 2024-06-04 Haoran Zhu , Maryam Majzoubi , Arihant Jain , Anna Choromanska

One of the ways to improve the performance of a target task is to learn the transfer of abundant knowledge of a pre-trained network. However, learning of the pre-trained network requires high computation capability and large-scale labeled…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Dae Ha Kim , Seung Hyun Lee , Byung Cheol Song

Protein modeling is an increasingly popular area of machine learning research. Semi-supervised learning has emerged as an important paradigm in protein modeling due to the high cost of acquiring supervised protein labels, but the current…

机器学习 · 计算机科学 2019-06-20 Roshan Rao , Nicholas Bhattacharya , Neil Thomas , Yan Duan , Xi Chen , John Canny , Pieter Abbeel , Yun S. Song

Large language models often require costly optimization, such as reinforcement learning, to master complex reasoning tasks. This work demonstrates that reasoning ability, once learned, can be extracted and transferred between models as a…

计算与语言 · 计算机科学 2025-09-03 Mohammad Zbeeb , Hasan Abed Al Kader Hammoud , Bernard Ghanem

An important aspect of intelligence is the ability to adapt to a novel task without any direct experience (zero-shot), based on its relationship to previous tasks. Humans can exhibit this cognitive flexibility. By contrast, models that…

机器学习 · 计算机科学 2021-03-17 Andrew K. Lampinen , James L. McClelland

Operator learning for time-dependent partial differential equations (PDEs) has seen rapid progress in recent years, enabling efficient approximation of complex spatiotemporal dynamics. However, most existing methods rely on fixed time step…

机器学习 · 计算机科学 2025-10-07 Zhikai Wu , Sifan Wang , Shiyang Zhang , Sizhuang He , Min Zhu , Anran Jiao , Lu Lu , David van Dijk

Humans achieve efficient learning by relying on prior knowledge about the structure of naturally occurring tasks. There is considerable interest in designing reinforcement learning (RL) algorithms with similar properties. This includes…

机器学习 · 计算机科学 2019-10-23 Jan Humplik , Alexandre Galashov , Leonard Hasenclever , Pedro A. Ortega , Yee Whye Teh , Nicolas Heess

Extracting relations is critical for knowledge base completion and construction in which distant supervised methods are widely used to extract relational facts automatically with the existing knowledge bases. However, the automatically…

计算与语言 · 计算机科学 2018-11-09 Tianyi Liu , Xinsong Zhang , Wanhao Zhou , Weijia Jia

Continual relation extraction (CRE) aims to continuously train a model on data with new relations while avoiding forgetting old ones. Some previous work has proved that storing a few typical samples of old relations and replaying them when…

计算与语言 · 计算机科学 2022-05-24 Kang Zhao , Hua Xu , Jiangong Yang , Kai Gao

While robot learning has demonstrated promising results for enabling robots to automatically acquire new skills, a critical challenge in deploying learning-based systems is scale: acquiring enough data for the robot to effectively…

机器人学 · 计算机科学 2020-03-06 Avi Singh , Eric Jang , Alexander Irpan , Daniel Kappler , Murtaza Dalal , Sergey Levine , Mohi Khansari , Chelsea Finn

Universal Multimodal Retrieval requires unified embedding models capable of interpreting diverse user intents, ranging from simple keywords to complex compositional instructions. While Multimodal Large Language Models (MLLMs) possess strong…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Xiangzhao Hao , Shijie Wang , Tianyu Yang , Tianyue Wang , Haiyun Guo , Jinqiao Wang

In recent years, meta-learning, in which a model is trained on a family of tasks (i.e. a task distribution), has emerged as an approach to training neural networks to perform tasks that were previously assumed to require structured…

机器学习 · 计算机科学 2021-03-19 Sreejan Kumar , Ishita Dasgupta , Jonathan D. Cohen , Nathaniel D. Daw , Thomas L. Griffiths

Meta-learning algorithms use past experience to learn to quickly solve new tasks. In the context of reinforcement learning, meta-learning algorithms acquire reinforcement learning procedures to solve new problems more efficiently by…

机器学习 · 计算机科学 2020-05-01 Abhishek Gupta , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

Representation multi-task learning (MTL) has achieved tremendous success in practice. However, the theoretical understanding of these methods is still lacking. Most existing theoretical works focus on cases where all tasks share the same…

机器学习 · 统计学 2025-07-08 Ye Tian , Yuqi Gu , Yang Feng

Pretrained transformers readily adapt to new sequence modeling tasks via zero-shot prompting, but relational domains still lack architectures that transfer across datasets and tasks. The core challenge is the diversity of relational data,…