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With the widespread adoption of information systems, recommender systems are widely used for better user experience. Collaborative filtering is a popular approach in implementing recommender systems. Yet, collaborative filtering methods are…

Information Retrieval · Computer Science 2019-08-20 Sapumal Ahangama , Danny Chiang-Choon Poo

Expert finding is an important task in both industry and academia. It is challenging to rank candidates with appropriate expertise for various queries. In addition, different types of objects interact with one another, which naturally forms…

Information Retrieval · Computer Science 2018-03-12 Huan Gui , Qi Zhu , Liyuan Liu , Aston Zhang , Jiawei Han

As the volume of publicly available data continues to grow, researchers face the challenge of limited diversity in benchmarking machine learning tasks. Although thousands of datasets are available in public repositories, the sheer abundance…

Information Retrieval · Computer Science 2025-02-25 Mara Graziani , Malina Molnar , Irina Espejo Morales , Joris Cadow-Gossweiler , Teodoro Laino

The technical foundations of recommender systems have progressed from collaborative filtering to complex neural models and, more recently, large language models. Despite these technological advances, deployed systems often underserve their…

Information Retrieval · Computer Science 2026-03-10 Kesha Ou , Chenghao Wu , Xiaolei Wang , Bowen Zheng , Wayne Xin Zhao , Weitao Li , Long Zhang , Sheng Chen , Ji-Rong Wen

The performance gap between closed-source and open-source large language models (LLMs) is largely attributed to disparities in access to high-quality training data. To bridge this gap, we introduce a novel framework for the automated…

The rapid growth of publicly available textual resources, such as lexicons and domain-specific corpora, presents challenges in efficiently identifying relevant resources. While repositories are emerging, they often lack advanced search and…

Databases · Computer Science 2025-08-01 Anaïs Ollagnier , Aline Menin

The application of advanced generative artificial intelligence in education is often constrained by the lack of real-time adaptability, personalization, and reliability of the content. To address these challenges, we propose ExpertAgent -…

Artificial Intelligence · Computer Science 2025-10-10 Binrong Zhu , Guiran Liu , Nina Jiang

Recommender systems often face heterogeneous datasets containing highly personalized historical data of users, where no single model could give the best recommendation for every user. We observe this ubiquitous phenomenon on both public and…

Information Retrieval · Computer Science 2020-05-06 Mi Luo , Fei Chen , Pengxiang Cheng , Zhenhua Dong , Xiuqiang He , Jiashi Feng , Zhenguo Li

Dynamic Data selection aims to accelerate training by prioritizing informative samples during online training. However, existing methods typically rely on task-specific handcrafted metrics or static/snapshot-based criteria to estimate…

Machine Learning · Computer Science 2026-05-14 Suorong Yang , Fangjian Su , Hai Gan , Ziqi Ye , Jie Li , Baile Xu , Furao Shen , Soujanya Poria

When a user connects to the Internet to fulfill his needs, he often encounters a huge amount of related information. Recommender systems are the techniques for massively filtering information and offering the items that users find them…

Machine Learning · Computer Science 2021-07-15 Mahdi Kherad , Amir Jalaly Bidgoly

Recommender systems play a significant role in information filtering and have been utilized in different scenarios, such as e-commerce and social media. With the prosperity of deep learning, deep recommender systems show superior…

Information Retrieval · Computer Science 2023-01-03 Ruiqi Zheng , Liang Qu , Bin Cui , Yuhui Shi , Hongzhi Yin

In this paper, we suggest a novel method to help learners find relevant open educational videos to master skills demanded on the labour market. We have built a prototype, which 1) applies text classification and text mining methods on job…

Computers and Society · Computer Science 2020-05-22 Mohammadreza Tavakoli , Sherzod Hakimov , Ralph Ewerth , Gábor Kismihók

This study presents OpenExtract, an open-source pipeline for automated data extraction in large-scale systematic literature reviews. The pipeline queries large language models (LLMs) to predict data entries based on relevant sections of…

Information overload is a serious problem in modern society and many solutions such as recommender system have been proposed to filter out irrelevant information. In the literature, researchers mainly dedicated to improve the recommendation…

Information Retrieval · Computer Science 2015-06-15 Qian-Ming Zhang , An Zeng , Ming-Sheng Shang

LLM-based agents have gained considerable attention for their decision-making skills and ability to handle complex tasks. Recognizing the current gap in leveraging agent capabilities for multi-agent collaboration in recommendation systems,…

Information Retrieval · Computer Science 2024-11-04 Zhefan Wang , Yuanqing Yu , Wendi Zheng , Weizhi Ma , Min Zhang

Algorithms that create recommendations based on observed data have significant commercial value for online retailers and many other industries. Recommender systems have a significant research community, and studying such systems is part of…

Information Retrieval · Computer Science 2022-05-26 Michael Hahsler

Recent attempts to integrate large language models (LLMs) into recommender systems have gained momentum, but most remain limited to simple text generation or static prompt-based inference, failing to capture the complexity of user…

Information Retrieval · Computer Science 2025-10-16 Jiin Park , Misuk Kim

Wikidata is an open knowledge graph built by a global community of volunteers. As it advances in scale, it faces substantial challenges around editor engagement. These challenges are in terms of both attracting new editors to keep up with…

Information Retrieval · Computer Science 2021-08-02 Kholoud AlGhamdi , Miaojing Shi , Elena Simperl

Supervised learning, especially supervised deep learning, requires large amounts of labeled data. One approach to collect large amounts of labeled data is by using a crowdsourcing platform where numerous workers perform the annotation…

Machine Learning · Computer Science 2023-08-22 Kosuke Yoshimura , Hisashi Kashima

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…

Information Retrieval · Computer Science 2022-10-20 Herkulaas MvE Combrink , Vukosi Marivate , Benjamin Rosman