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相关论文: Parameter Averaging for Feature Ranking

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Evaluating the performance of an algorithm is crucial. Evaluating the performance of data imputation and data augmentation can be similar since both generated data can be compared with an original distribution. Although, the typical…

机器学习 · 计算机科学 2022-06-22 Jean-Sébastien Dessureault , Daniel Massicotte

An important characteristic of neural networks is their ability to learn representations of the input data with effective features for prediction, which is believed to be a key factor to their superior empirical performance. To better…

机器学习 · 计算机科学 2022-06-06 Zhenmei Shi , Junyi Wei , Yingyu Liang

Different features have different relevance to a particular learning problem. Some features are less relevant; while some very important. Instead of selecting the most relevant features using feature selection, an algorithm can be given…

机器学习 · 计算机科学 2011-01-26 Ridwan Al Iqbal

Training a neural network (NN) depends on multiple factors, including but not limited to the initial weights. In this paper, we focus on initializing deep NN parameters such that it performs better, comparing to random or zero…

机器学习 · 计算机科学 2020-11-10 Mohamad H. Danesh

Feature selection is important in data representation and intelligent diagnosis. Elastic net is one of the most widely used feature selectors. However, the features selected are dependant on the training data, and their weights dedicated…

机器学习 · 计算机科学 2021-01-01 Shaode Yu , Haobo Chen , Hang Yu , Zhicheng Zhang , Xiaokun Liang , Wenjian Qin , Yaoqin Xie , Ping Shi

Neural networks are promising tools for high-throughput and accurate transmission electron microscopy (TEM) analysis of nanomaterials, but are known to generalize poorly on data that is "out-of-distribution" from their training data. Given…

材料科学 · 物理学 2023-06-22 Katherine Sytwu , Luis Rangel DaCosta , Mary C. Scott

Second-order optimization has been developed to accelerate the training of deep neural networks and it is being applied to increasingly larger-scale models. In this study, towards training on further larger scales, we identify a specific…

机器学习 · 计算机科学 2024-06-11 Satoki Ishikawa , Ryo Karakida

This paper proposes a novel learning method for multi-task applications. Multi-task neural networks can learn to transfer knowledge across different tasks by using parameter sharing. However, sharing parameters between unrelated tasks can…

机器学习 · 计算机科学 2020-07-21 Krzysztof Maziarz , Efi Kokiopoulou , Andrea Gesmundo , Luciano Sbaiz , Gabor Bartok , Jesse Berent

Learning-to-rank is an applied domain of supervised machine learning. As feature selection has been found to be effective for improving the accuracy of learning models in general, it is intriguing to investigate this process for…

机器学习 · 计算机科学 2023-10-23 Mohd. Sayemul Haque , Md. Fahim , Muhammad Ibrahim

A Bayesian network is a widely used probabilistic graphical model with applications in knowledge discovery and prediction. Learning a Bayesian network (BN) from data can be cast as an optimization problem using the well-known…

人工智能 · 计算机科学 2018-11-14 Zhenyu A. Liao , Charupriya Sharma , James Cussens , Peter van Beek

Tabular data is prevalent in real-world machine learning applications, and new models for supervised learning of tabular data are frequently proposed. Comparative studies assessing the performance of models typically consist of…

机器学习 · 计算机科学 2024-12-19 Andrej Tschalzev , Sascha Marton , Stefan Lüdtke , Christian Bartelt , Heiner Stuckenschmidt

The random forest algorithm (RF) has several hyperparameters that have to be set by the user, e.g., the number of observations drawn randomly for each tree and whether they are drawn with or without replacement, the number of variables…

机器学习 · 统计学 2019-02-27 Philipp Probst , Marvin Wright , Anne-Laure Boulesteix

Matrix factorization (MF) is extensively used to mine the user preference from explicit ratings in recommender systems. However, the reliability of explicit ratings is not always consistent, because many factors may affect the user's final…

信息检索 · 计算机科学 2018-06-25 Zhipeng Wu , Hui Tian , Xuzhen Zhu , Shuo Wang

Feature selection is important step in machine learning since it has shown to improve prediction accuracy while depressing the curse of dimensionality of high dimensional data. The neural networks have experienced tremendous success in…

机器学习 · 计算机科学 2021-07-13 Peter Bugata , Peter Drotar

With the tremendous success of deep learning in visual tasks, the representations extracted from intermediate layers of learned models, that is, deep features, attract much attention of researchers. Previous empirical analysis shows that…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Qi Qian , Juhua Hu , Hao Li

In artificial neural networks, understanding the contributions of input features on the prediction fosters model explainability and delivers relevant information about the dataset. While typical setups for feature importance ranking assess…

Axiomatic information retrieval (IR) seeks a set of principle properties desirable in IR models. These properties when formally expressed provide guidance in the search for better relevance estimation functions. Neural ranking models…

信息检索 · 计算机科学 2019-04-16 Corby Rosset , Bhaskar Mitra , Chenyan Xiong , Nick Craswell , Xia Song , Saurabh Tiwary

It would be a natural expectation that only major peaks, not all of them, would make an important contribution to the characterization of the XRD pattern. We developed a scheme that can identify which peaks are relavant to what extent by…

计算物理 · 物理学 2022-12-26 Keishu Utimula , Masao Yano , Hiroyuki Kimoto , Kenta Hongo , Kousuke Nakano , Ryo Maezono

A key property of neural networks is their capacity of adapting to data during training. Yet, our current mathematical understanding of feature learning and its relationship to generalization remain limited. In this work, we provide a…

机器学习 · 统计学 2024-10-25 Yatin Dandi , Luca Pesce , Hugo Cui , Florent Krzakala , Yue M. Lu , Bruno Loureiro

Handling the problem of scalability is one of the essential issues for multi-agent reinforcement learning (MARL) algorithms to be applied to real-world problems typically involving massively many agents. For this, parameter sharing across…

多智能体系统 · 计算机科学 2023-03-03 Woojun Kim , Youngchul Sung