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Understanding which student support strategies mitigate dropout and improve student retention is an important part of modern higher educational research. One of the largest challenges institutions of higher learning currently face is the…

信息检索 · 计算机科学 2022-10-20 Herkulaas MvE Combrink , Vukosi Marivate , Benjamin Rosman

To efficiently select optimal dataset combinations for enhancing multi-task learning (MTL) performance in large language models, we proposed a novel framework that leverages a neural network to predict the best dataset combinations. The…

计算与语言 · 计算机科学 2025-05-06 Zaifu Zhan , Rui Zhang

Modern recommender systems often deal with a variety of user interactions, e.g., click, forward, purchase, etc., which requires the underlying recommender engines to fully understand and leverage multi-behavior data from users. Despite…

信息检索 · 计算机科学 2023-05-30 Jingcao Xu , Chaokun Wang , Cheng Wu , Yang Song , Kai Zheng , Xiaowei Wang , Changping Wang , Guorui Zhou , Kun Gai

One of the main challenges in recommender systems is data sparsity which leads to high variance. Several attempts have been made to improve the bias-variance trade-off using auxiliary information. In particular, document modeling-based…

信息检索 · 计算机科学 2021-09-14 Meysam Varasteh , Mehdi Soleiman Nejad , Hadi Moradi , Mohammad Amin Sadeghi , Ahmad Kalhor

Over the past decade, deep neural networks have demonstrated significant success using the training scheme that involves mini-batch stochastic gradient descent on extensive datasets. Expanding upon this accomplishment, there has been a…

机器学习 · 计算机科学 2024-11-11 Jaehyeon Son , Soochan Lee , Gunhee Kim

In the last decade we have observed a mass increase of information, in particular information that is shared through smartphones. Consequently, the amount of information that is available does not allow the average user to be aware of all…

信息检索 · 计算机科学 2017-07-04 Akshay Kumar Chaturvedi , Filipa Peleja , Ana Freire

With the ever-growing volume of online information, recommender systems have been an effective strategy to overcome such information overload. The utility of recommender systems cannot be overstated, given its widespread adoption in many…

信息检索 · 计算机科学 2019-07-11 Shuai Zhang , Lina Yao , Aixin Sun , Yi Tay

Recommender systems play a fundamental role in web applications in filtering massive information and matching user interests. While many efforts have been devoted to developing more effective models in various scenarios, the exploration on…

机器学习 · 计算机科学 2020-08-24 Ninghao Liu , Yong Ge , Li Li , Xia Hu , Rui Chen , Soo-Hyun Choi

This paper proposes a recommender system to alleviate the cold-start problem that can estimate user preferences based on only a small number of items. To identify a user's preference in the cold state, existing recommender systems, such as…

信息检索 · 计算机科学 2019-08-02 Hoyeop Lee , Jinbae Im , Seongwon Jang , Hyunsouk Cho , Sehee Chung

Data heterogeneity is an intrinsic property of recommender systems, making models trained over the global data on the cloud, which is the mainstream in industry, non-optimal to each individual user's local data distribution. To deal with…

机器学习 · 计算机科学 2022-01-26 Renjie Gu , Chaoyue Niu , Yikai Yan , Fan Wu , Shaojie Tang , Rongfeng Jia , Chengfei Lyu , Guihai Chen

Online stores and service providers rely heavily on recommendation softwares to guide users through the vast amount of available products. Consequently, the field of recommender systems has attracted increased attention from the industry…

信息检索 · 计算机科学 2022-10-17 Abdullah Alhadlaq , Said Kerrache , Hatim Aboalsamh

The design of conceptually sound metamodels that embody proper semantics in relation to the application domain is particularly tedious in Model-Driven Engineering. As metamodels define complex relationships between domain concepts, it is…

软件工程 · 计算机科学 2022-02-22 Martin Weyssow , Houari Sahraoui , Eugene Syriani

Existing multi-view representation learning methods typically follow a specific-to-uniform pipeline, extracting latent features from each view and then fusing or aligning them to obtain the unified object representation. However, the…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Ren Wang , Haoliang Sun , Yuling Ma , Xiaoming Xi , Yilong Yin

In the realm of recommender systems, the ubiquitous adoption of deep neural networks has emerged as a dominant paradigm for modeling diverse business objectives. As user bases continue to expand, the necessity of personalization and…

We present a novel framework for user representation in large-scale recommender systems, aiming at effectively representing diverse user taste in a generalized manner. Our approach employs a two-stage methodology combining representation…

信息检索 · 计算机科学 2024-03-04 Ghazal Fazelnia , Sanket Gupta , Claire Keum , Mark Koh , Ian Anderson , Mounia Lalmas

Meta-learning can extract an inductive bias from previous learning experience and assist the training of new tasks. It is often realized through optimizing a meta-model with the evaluation loss of task-specific solvers. Most existing…

机器学习 · 计算机科学 2021-12-20 Su Lu , Han-Jia Ye , Le Gan , De-Chuan Zhan

Recommender systems rely on user behavior data like ratings and clicks to build personalization model. However, the collected data is observational rather than experimental, causing various biases in the data which significantly affect the…

机器学习 · 计算机科学 2021-10-29 Jiawei Chen , Hande Dong , Yang Qiu , Xiangnan He , Xin Xin , Liang Chen , Guli Lin , Keping Yang

Traditional collaborative filtering (CF) based recommender systems tend to perform poorly when the user-item interactions/ratings are highly scarce. To address this, we propose a learning framework that improves collaborative filtering with…

信息检索 · 计算机科学 2020-12-18 Wenlin Wang , Hongteng Xu , Ruiyi Zhang , Wenqi Wang , Piyush Rai , Lawrence Carin

Our work revisits the design of mechanisms via the learning-augmented framework. In this model, the algorithm is enhanced with imperfect (machine-learned) information concerning the input, usually referred to as prediction. The goal is to…

计算机科学与博弈论 · 计算机科学 2024-10-29 George Christodoulou , Alkmini Sgouritsa , Ioannis Vlachos

A general formulation of optimization problems in which various candidate solutions may use different feature-sets is presented, encompassing supervised classification, automated program learning and other cases. A novel characterization of…

机器学习 · 计算机科学 2017-03-22 Ben Goertzel , Nil Geisweiller , Chris Poulin