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We present the Learned Ranking Function (LRF), a system that takes short-term user-item behavior predictions as input and outputs a slate of recommendations that directly optimizes for long-term user satisfaction. Most previous work is…

机器学习 · 计算机科学 2024-08-14 Yi Wu , Daryl Chang , Jennifer She , Zhe Zhao , Li Wei , Lukasz Heldt

Learning to Rank (LTR) methods generally assume that each document in a top-K ranking is presented in an equal format. However, previous work has shown that users' perceptions of relevance can be changed by varying presentations, i.e.,…

信息检索 · 计算机科学 2025-07-01 Norman Knyazev , Harrie Oosterhuis

Recommender systems are essential for guiding users through the vast and diverse landscape of digital content by delivering personalized and relevant suggestions. However, improving both personalization and interpretability remains a…

信息检索 · 计算机科学 2025-08-05 Danial Ebrat , Tina Aminian , Sepideh Ahmadian , Luis Rueda

Robust matrix completion (RMC) is a widely used machine learning tool that simultaneously tackles two critical issues in low-rank data analysis: missing data entries and extreme outliers. This paper proposes a novel scalable and learnable…

机器学习 · 计算机科学 2026-05-22 HanQin Cai , Chandra Kundu , Jialin Liu , Wotao Yin

After the phenomenal success of the PageRank algorithm, many researchers have extended the PageRank approach to ranking graphs with richer structures beside the simple linkage structure. In some scenarios we have to deal with…

数值分析 · 数学 2018-11-15 Gianna M. Del Corso , Francesco Romani

We consider the general problem of utilizing both labeled and unlabeled data to improve data representation performance. A new semi-supervised learning framework is proposed by combing manifold regularization and data representation methods…

机器学习 · 计算机科学 2015-02-16 Weiya Ren

We study the problem of enumerating answers of Conjunctive Queries ranked according to a given ranking function. Our main contribution is a novel algorithm with small preprocessing time, logarithmic delay, and non-trivial space usage during…

数据库 · 计算机科学 2025-05-21 Shaleen Deep , Paraschos Koutris

In this paper, we propose a novel semi-supervised feature selection framework by mining correlations among multiple tasks and apply it to different multimedia applications. Instead of independently computing the importance of features for…

机器学习 · 计算机科学 2017-07-11 Xiaojun Chang , Yi Yang

To explore underlying complementary information from multiple views, in this paper, we propose a novel Latent Multi-view Semi-Supervised Classification (LMSSC) method. Unlike most existing multi-view semi-supervised classification methods…

机器学习 · 计算机科学 2019-09-10 Xiaofan Bo , Zhao Kang , Zhitong Zhao , Yuanzhang Su , Wenyu Chen

Deep neural networks have proved very successful on archetypal tasks for which large training sets are available, but when the training data are scarce, their performance suffers from overfitting. Many existing methods of reducing…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Wei Zhu , Qiang Qiu , Jiaji Huang , Robert Calderbank , Guillermo Sapiro , Ingrid Daubechies

Dynamic Mode Decomposition (DMD) has emerged as a powerful tool for analyzing the dynamics of non-linear systems from experimental datasets. Recently, several attempts have extended DMD to the context of low-rank approximations. This…

机器学习 · 统计学 2018-05-18 Patrick Héas , Cédric Herzet

Low-rank matrix completion has achieved great success in many real-world data applications. A matrix factorization model that learns latent features is usually employed and, to improve prediction performance, the similarities between latent…

机器学习 · 统计学 2020-01-28 Kaiyi Ji , Jian Tan , Jinfeng Xu , Yuejie Chi

Large language models (LLMs) are currently applied to scientific paper evaluation by assigning an absolute score to each paper independently. However, since score scales vary across conferences, time periods, and evaluation criteria, models…

信息检索 · 计算机科学 2026-05-19 Pujun Zheng , Jiacheng Yao , Jinquan Zheng , Chenyang Gu , Guoxiu He , Jiawei Liu , Yong Huang , Tianrui Guo , Wei Lu

Machine learning techniques for Recommendation System (RS) and Classification has become a prime focus of research to tackle the problem of information overload. RS are software tools that aim at making informed decisions about the services…

信息检索 · 计算机科学 2019-07-30 Vikas Kumar

In this paper a new Riemannian rank adaptive method (RRAM) is proposed for the low-rank tensor completion problem (LRTCP) formulated as a least-squares optimization problem on the algebraic variety of tensors of bounded tensor-train (TT)…

最优化与控制 · 数学 2024-02-20 Charlotte Vermeylen , Marc Van Barel

This paper considers the low-observability state estimation problem in power distribution networks and develops a decentralized state estimation algorithm leveraging the matrix completion methodology. Matrix completion has been shown to be…

最优化与控制 · 数学 2019-10-14 April Sagan , Yajing Liu , Andrey Bernstein

Graph Semi-Supervised learning is an important data analysis tool, where given a graph and a set of labeled nodes, the aim is to infer the labels to the remaining unlabeled nodes. In this paper, we start by considering an optimization-based…

机器学习 · 计算机科学 2023-09-26 Sara Venturini , Andrea Cristofari , Francesco Rinaldi , Francesco Tudisco

Efficient estimation of high-dimensional matrices-including covariance and precision matrices-is a cornerstone of modern multivariate statistics. Most existing studies have focused primarily on the theoretical properties of the estimators…

机器学习 · 计算机科学 2026-03-31 Wan Tian , Hui Yang , Zhouhui Lian , Lingyue Zhang , Yijie Peng

Recently, word embedding algorithms have been applied to map the entities of recommender systems, such as users and items, to new feature spaces using textual element-context relations among them. Unlike many other domains, this approach…

信息检索 · 计算机科学 2018-11-06 Arash Khoeini , Bita Shams , Saman Haratizadeh

Due to the manifold ranking method has a significant effect on the ranking of unknown data based on known data by using a weighted network, many researchers use the manifold ranking method to solve the document summarization task. However,…

计算与语言 · 计算机科学 2019-07-09 Jianying Lin , Rui Liu , Quanye Jia