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Inverse Distance Weighted models (IDW) have been widely used for predicting and modeling multidimensional space in multimodal industrial processes. However, the more complex the structure of multidimensional space, the lower the performance…

机器学习 · 计算机科学 2020-08-25 Junjie Zhang , Cong Zhang , Neal N. Xiong

Mendelian randomization (MR) has become a popular approach to study the effect of a modifiable exposure on an outcome by using genetic variants as instrumental variables. A challenge in MR is that each genetic variant explains a relatively…

统计方法学 · 统计学 2020-10-13 Ting Ye , Jun Shao , Hyunseung Kang

Dense retrieval models use bi-encoder network architectures for learning query and document representations. These representations are often in the form of a vector representation and their similarities are often computed using the dot…

信息检索 · 计算机科学 2023-05-01 Hamed Zamani , Michael Bendersky

Importance weighting is a fundamental procedure in statistics and machine learning that weights the objective function or probability distribution based on the importance of the instance in some sense. The simplicity and usefulness of the…

机器学习 · 计算机科学 2024-05-15 Masanari Kimura , Hideitsu Hino

We propose a new weighted average estimator for the high dimensional parameters under the distributed learning system, in which the weight assigned to each coordinate is precisely proportional to the inverse of the variance of the local…

统计方法学 · 统计学 2025-02-06 Jun Lu , Xiaoyu Mao , Mengyao Li , Chenping Hou

As machine learning tasks continue to evolve, the trend has been to gather larger datasets and train increasingly larger models. While this has led to advancements in accuracy, it has also escalated computational costs to unsustainable…

机器学习 · 计算机科学 2024-06-03 Mohammad Jafari , Yimeng Zhang , Yihua Zhang , Sijia Liu

For multi-view data in reality, part of its elements may be missing because of human or machine error. Incomplete multi-view clustering (IMC) clusters the incomplete multi-view data according to the characters of various views of the…

最优化与控制 · 数学 2024-04-09 Lishan Feng , Guoxu Zhou , Jingya Chang

Recent studies on few-shot classification using transfer learning pose challenges to the effectiveness and efficiency of episodic meta-learning algorithms. Transfer learning approaches are a natural alternative, but they are restricted to…

机器学习 · 计算机科学 2022-05-03 Kuilin Chen , Chi-Guhn Lee

The goal of few-shot learning is to recognize new visual concepts with just a few amount of labeled samples in each class. Recent effective metric-based few-shot approaches employ neural networks to learn a feature similarity comparison…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Xiaomeng Li , Lequan Yu , Chi-Wing Fu , Meng Fang , Pheng-Ann Heng

We propose a new marginal data density estimator (MDDE) that uses the variational Bayes posterior density as a weighting density of the reciprocal importance sampling (RIS) MDDE. This computationally convenient estimator is based on…

应用统计 · 统计学 2020-05-12 Gholamreza Hajargasht , Tomasz Woźniak

We study gradient-based data attribution, aiming to identify which training examples most influence a given output. Existing methods for this task either treat network parameters uniformly or rely on implicit weighting derived from Hessian…

机器学习 · 计算机科学 2026-02-23 Shuangqi Li , Hieu Le , Jingyi Xu , Mathieu Salzmann

Personalized medicine has received increasing attention among statisticians, computer scientists, and clinical practitioners. A major component of personalized medicine is the estimation of individualized treatment rules (ITRs). Recently,…

统计方法学 · 统计学 2015-08-14 Xin Zhou , Nicole Mayer-Hamblett , Umer Khan , Michael R. Kosorok

Session-based Recommendation (SR) aims to predict users' next click based on their behavior within a short period, which is crucial for online platforms. However, most existing SR methods somewhat ignore the fact that user preference is not…

信息检索 · 计算机科学 2023-06-21 Kai Ouyang , Xianghong Xu , Miaoxin Chen , Zuotong Xie , Hai-Tao Zheng , Shuangyong Song , Yu Zhao

Context: The effectiveness of data selection approaches in improving the performance of cross project defect prediction(CPDP) has been shown in multiple previous studies. Beside that, replication studies play an important role in the…

软件工程 · 计算机科学 2020-04-22 Seyedrebvar Hosseini , Burak Turhan

Feature weighting is a technique used to approximate the optimal degree of influence of individual features. This paper presents a feature weighting method for Document Image Retrieval System (DIRS) based on keyword spotting. In this…

人工智能 · 计算机科学 2012-06-11 Mohammadreza Keyvanpour , Reza Tavoli

Missing feature values are a significant hurdle for downstream machine-learning tasks such as classification. However, imputation methods for classification might be time-consuming for high-dimensional data, and offer few theoretical…

机器学习 · 计算机科学 2025-05-15 Rahul Bordoloi , Clémence Réda , Saptarshi Bej , Olaf Wolkenhauer

The geographically weighted regression (GWR) is a well-known statistical approach to explore spatial non-stationarity of the regression relationship in spatial data analysis. In this paper, we discuss a Bayesian recourse of GWR. Bayesian…

应用统计 · 统计学 2020-07-07 Zhihua Ma , Yishu Xue , Guanyu Hu

Composed image retrieval (CIR) addresses the task of retrieving a target image by jointly interpreting a reference image and a modification text that specifies the intended change. Most existing methods are still built upon contrastive…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Geon Park , Ji-Hoon Park , Seong-Whan Lee

We introduce an RG-inspired coarse-graining for extracting the collective features of data. The key to successful coarse-graining lies in finding appropriate pairs of data sets. We coarse-grain the two closest data in a regular real-space…

数据分析、统计与概率 · 物理学 2023-07-19 Jonathan Landy , Tsvi Tlusty , YeongKyu Lee , YongSeok Jho

Early exiting is an effective paradigm for improving the inference efficiency of deep networks. By constructing classifiers with varying resource demands (the exits), such networks allow easy samples to be output at early exits, removing…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yizeng Han , Yifan Pu , Zihang Lai , Chaofei Wang , Shiji Song , Junfen Cao , Wenhui Huang , Chao Deng , Gao Huang