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Many modern distributed systems consist of devices that generate more data than what can be transmitted via a communication link in near real time with high-fidelity. We consider the scheduling problem in which a device has access to…

系统与控制 · 电气工程与系统科学 2024-05-20 Marcos M. Vasconcelos , Yifei Zhang

Best subset of groups selection (BSGS) is the process of selecting a small part of non-overlapping groups to achieve the best interpretability on the response variable. It has attracted increasing attention and has far-reaching applications…

机器学习 · 计算机科学 2022-09-20 Yanhang Zhang , Junxian Zhu , Jin Zhu , Xueqin Wang

Deploying graph neural networks (GNNs) on whole-graph classification or regression tasks is known to be challenging: it often requires computing node features that are mindful of both local interactions in their neighbourhood and the global…

机器学习 · 计算机科学 2022-12-22 Andreea Deac , Marc Lackenby , Petar Veličković

Entity Resolution (ER) is the task of finding entity profiles that correspond to the same real-world entity. Progressive ER aims to efficiently resolve large datasets when limited time and/or computational resources are available. In…

数据库 · 计算机科学 2019-05-17 Giovanni Simonini , George Papadakis , Themis Palpanas , Sonia Bergamaschi

Limited data availability in machine learning significantly impacts performance and generalization. Traditional augmentation methods enhance moderately sufficient datasets. GANs struggle with convergence when generating diverse samples.…

机器学习 · 计算机科学 2024-10-02 Vahid Jebraeeli , Bo Jiang , Hamid Krim , Derya Cansever

In this work, we tackle the problem of open-ended learning by introducing a method that simultaneously evolves agents and increasingly challenging environments. Unlike previous open-ended approaches that optimize agents using a fixed neural…

人工智能 · 计算机科学 2023-10-12 Muhammad Umair Nasir , Michael Beukman , Steven James , Christopher Wesley Cleghorn

We propose Batch-Expansion Training (BET), a framework for running a batch optimizer on a gradually expanding dataset. As opposed to stochastic approaches, batches do not need to be resampled i.i.d. at every iteration, thus making BET more…

机器学习 · 计算机科学 2018-02-26 Michał Dereziński , Dhruv Mahajan , S. Sathiya Keerthi , S. V. N. Vishwanathan , Markus Weimer

In the technical report, we present a novel transformer-based framework for nuScenes lidar-based object detection task, termed Spatial Expansion Group Transformer (SEGT). To efficiently handle the irregular and sparse nature of point cloud,…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Cheng Mei , Hao He , Yahui Liu , Zhenhua Guo

We present a framework for building unsupervised representations of entities and their compositions, where each entity is viewed as a probability distribution rather than a vector embedding. In particular, this distribution is supported…

计算与语言 · 计算机科学 2020-03-03 Sidak Pal Singh , Andreas Hug , Aymeric Dieuleveut , Martin Jaggi

The rapid development of multimodal large language models (MLLMs) has brought significant improvements to a wide range of tasks in real-world applications. However, LLMs still exhibit certain limitations in extracting implicit semantic…

计算与语言 · 计算机科学 2025-01-03 Hebin Wang , Yangning Li , Yinghui Li , Hai-Tao Zheng , Wenhao Jiang , Hong-Gee Kim

Entity Set Expansion (ESE) aims to identify new entities belonging to the same semantic class as the given set of seed entities. Traditional methods solely relied on positive seed entities to represent the target fine-grained semantic…

计算与语言 · 计算机科学 2025-06-04 Yangning Li , Qingsong Lv , Tianyu Yu , Yinghui Li , Xuming Hu , Wenhao Jiang , Hai-Tao Zheng , Hui Wang

Document set expansion aims to identify relevant documents from a large collection based on a small set of documents that are on a fine-grained topic. Previous work shows that PU learning is a promising method for this task. However, some…

机器学习 · 计算机科学 2024-01-23 Haiyang Zhang , Qiuyi Chen , Yuanjie Zou , Yushan Pan , Jia Wang , Mark Stevenson

Named entity recognition (NER) task aims at identifying entities from a piece of text that belong to predefined semantic types such as person, location, organization, etc. The state-of-the-art solutions for flat entities NER commonly suffer…

计算与语言 · 计算机科学 2022-08-08 Jianlin Su , Ahmed Murtadha , Shengfeng Pan , Jing Hou , Jun Sun , Wanwei Huang , Bo Wen , Yunfeng Liu

Community detection is an important task in network analysis. A community (also referred to as a cluster) is a set of cohesive vertices that have more connections inside the set than outside. In many social and information networks, these…

社会与信息网络 · 计算机科学 2015-04-06 Joyce Jiyoung Whang , David F. Gleich , Inderjit S. Dhillon

Entity summarization aims at creating brief but informative descriptions of entities from knowledge graphs. While previous work mostly focused on traditional techniques such as clustering algorithms and graph models, we ask how to apply…

计算与语言 · 计算机科学 2020-05-27 Dongjun Wei , Yaxin Liu , Fuqing Zhu , Liangjun Zang , Wei Zhou , Jizhong Han , Songlin Hu

Ensembling is a well-known technique in neural machine translation (NMT) to improve system performance. Instead of a single neural net, multiple neural nets with the same topology are trained separately, and the decoder generates…

计算与语言 · 计算机科学 2017-07-24 Felix Stahlberg , Bill Byrne

We propose a formal expansion of the transfer entropy to put in evidence irreducible sets of variables which provide information for the future state of each assigned target. Multiplets characterized by a large contribution to the expansion…

定量方法 · 定量生物学 2015-06-04 S. Stramaglia , Guo-Rong Wu , M. Pellicoro , D. Marinazzo

Optimization of expensive computer models with the help of Gaussian process emulators in now commonplace. However, when several (competing) objectives are considered, choosing an appropriate sampling strategy remains an open question. We…

最优化与控制 · 数学 2013-10-03 Victor Picheny

Expectation Propagation (Minka, 2001) is a widely successful algorithm for variational inference. EP is an iterative algorithm used to approximate complicated distributions, typically to find a Gaussian approximation of posterior…

统计计算 · 统计学 2016-04-01 Guillaume Dehaene , Simon Barthelmé

We revisit the problem of motion planning in the Gaussian belief space. Motivated by the fact that most existing sampling-based planners suffer from high computational costs due to the high-dimensional nature of the problem, we propose an…

机器人学 · 计算机科学 2024-09-20 Lukas Taus , Vrushabh Zinage , Takashi Tanaka , Richard Tsai