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Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

信息检索 · 计算机科学 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Recommending items to users is a challenging task due to the large amount of missing information. In many cases, the data solely consist of ratings or tags voluntarily contributed by each user on a very limited subset of the available…

机器学习 · 统计学 2015-10-01 Claire Vernade , Olivier Cappé

In this abstract paper, we introduce a new kernel learning method by a nonparametric density estimator. The estimator consists of a group of k-centroids clusterings. Each clustering randomly selects data points with randomly selected…

机器学习 · 计算机科学 2017-08-02 Xiao-Lei Zhang

Top-$N$ recommender systems typically utilize side information to address the problem of data sparsity. As nowadays side information is growing towards high dimensionality, the performances of existing methods deteriorate in terms of both…

信息检索 · 计算机科学 2017-05-17 Yifan Chen , Xiang Zhao

This paper focuses on detection tasks in information extraction, where positive instances are sparsely distributed and models are usually evaluated using F-measure on positive classes. These characteristics often result in deficient…

计算与语言 · 计算机科学 2018-05-29 Hongyu Lin , Yaojie Lu , Xianpei Han , Le Sun

Deep neural networks (DNN) have achieved great success in the recommender systems (RS) domain. However, to achieve remarkable performance, DNN-based recommender models often require numerous parameters, which inevitably bring redundant…

信息检索 · 计算机科学 2021-12-03 Yang Sun , Fajie Yuan , Min Yang , Alexandros Karatzoglou , Shen Li , Xiaoyan Zhao

Designing nanophotonic structures traditionally grapples with the complexities of discrete parameters, such as real materials, often resorting to costly global optimization methods. This paper introduces an approach that leverages…

光学 · 物理学 2025-06-12 Dalin Soun , Antoine Azéma , Lucien Roach , Glenna L. Drisko , Peter R. Wiecha

Top-N item recommendation has been a widely studied task from implicit feedback. Although much progress has been made with neural methods, there is increasing concern on appropriate evaluation of recommendation algorithms. In this paper, we…

信息检索 · 计算机科学 2020-10-12 Wayne Xin Zhao , Junhua Chen , Pengfei Wang , Qi Gu , Ji-Rong Wen

In complex visual recognition tasks it is typical to adopt multiple descriptors, that describe different aspects of the images, for obtaining an improved recognition performance. Descriptors that have diverse forms can be fused into a…

计算机视觉与模式识别 · 计算机科学 2015-06-15 Jayaraman J. Thiagarajan , Karthikeyan Natesan Ramamurthy , Andreas Spanias

We propose an efficient distributed online learning protocol for low-latency real-time services. It extends a previously presented protocol to kernelized online learners that represent their models by a support vector expansion. While such…

机器学习 · 计算机科学 2019-12-02 Michael Kamp , Sebastian Bothe , Mario Boley , Michael Mock

Recently, matrix factorization-based recommendation methods have been criticized for the problem raised by the triangle inequality violation. Although several metric learning-based approaches have been proposed to overcome this issue,…

信息检索 · 计算机科学 2019-06-06 Chanyoung Park , Donghyun Kim , Xing Xie , Hwanjo Yu

Larger and deeper networks generalise well despite their increased capacity to overfit. Understanding why this happens is theoretically and practically important. One recent approach looks at the infinitely wide limits of such networks and…

机器学习 · 计算机科学 2023-10-13 Adrian Goldwaser , Hong Ge

Efficient inference of Deep Neural Networks (DNNs) on resource-constrained edge devices is essential. Quantization and sparsity are key techniques that translate to repetition and sparsity within tensors at the hardware-software interface.…

机器学习 · 计算机科学 2025-05-07 Sachit Kuhar , Yash Jain , Alexey Tumanov

Recommender systems widely use implicit feedback such as click data because of its general availability. Although the presence of clicks signals the users' preference to some extent, the lack of such clicks does not necessarily indicate a…

机器学习 · 统计学 2022-06-16 Yuta Saito , Suguru Yaginuma , Yuta Nishino , Hayato Sakata , Kazuhide Nakata

Neural collaborative filtering is the state of art field in the recommender systems area; it provides some models that obtain accurate predictions and recommendations. These models are regression-based, and they just return rating…

信息检索 · 计算机科学 2024-10-28 Jesús Bobadilla , Abraham Gutiérrez , Santiago Alonso , Ángel González-Prieto

Content-based and collaborative filtering methods are the most successful solutions in recommender systems. Content based method is based on items attributes. This method checks the features of users favourite items and then proposes the…

信息检索 · 计算机科学 2014-02-14 Niloofar Rastin , Mansoor Zolghadri Jahromi

We propose and analyze a novel framework for learning sparse representations, based on two statistical techniques: kernel smoothing and marginal regression. The proposed approach provides a flexible framework for incorporating feature…

机器学习 · 统计学 2012-10-04 Krishnakumar Balasubramanian , Kai Yu , Guy Lebanon

Nowadays there are more and more items available online, this makes it hard for users to find items that they like. Recommender systems aim to find the item who best suits the user, using his historical interactions. Depending on the…

信息检索 · 计算机科学 2023-04-19 Theo Nommay

The big data trend has inspired feature-driven learning tasks, which cannot be handled by conventional machine learning models. Unstructured data produces very large binary matrices with millions of columns when converted to vector form.…

机器学习 · 计算机科学 2019-12-19 Anton Akusok , Emil Eirola

In the context of distributed estimation, we consider the problem of sensor collaboration, which refers to the act of sharing measurements with neighboring sensors prior to transmission to a fusion center. While incorporating the cost of…

统计方法学 · 统计学 2015-06-22 Sijia Liu , Swarnendu Kar , Makan Fardad , Pramod K. Varshney