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This paper presents an experimental comparison among four Automated Machine Learning (AutoML) methods for recommending the best classification algorithm for a given input dataset. Three of these methods are based on Evolutionary Algorithms…

Dataset pruning is the process of removing sub-optimal tuples from a dataset to improve the learning of a machine learning model. In this paper, we compared the performance of different algorithms, first on an unpruned dataset and then on…

Machine Learning · Computer Science 2019-01-31 Arun Thundyill Saseendran , Lovish Setia , Viren Chhabria , Debrup Chakraborty , Aneek Barman Roy

In large language models (LLM)-based recommendation systems (LLM-RSs), accurately predicting user preferences by leveraging the general knowledge of LLMs is possible without requiring extensive training data. By converting recommendation…

Information Retrieval · Computer Science 2024-12-20 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Recently, large language models (LLMs) have exhibited significant progress in language understanding and generation. By leveraging textual features, customized LLMs are also applied for recommendation and demonstrate improvements across…

Information Retrieval · Computer Science 2023-11-07 Zhenrui Yue , Sara Rabhi , Gabriel de Souza Pereira Moreira , Dong Wang , Even Oldridge

Serendipity plays a pivotal role in enhancing user satisfaction within recommender systems, yet its evaluation poses significant challenges due to its inherently subjective nature and conceptual ambiguity. Current algorithmic approaches…

Information Retrieval · Computer Science 2025-07-24 Li Kang , Yuhan Zhao , Li Chen

Traditional recommendation systems often grapple with "filter bubbles", underutilization of external knowledge, and a disconnect between model optimization and business policy iteration. To address these limitations, this paper introduces…

Artificial Intelligence · Computer Science 2025-06-25 Yu Xie , Xingkai Ren , Ying Qi , Yao Hu , Lianlei Shan

We consider algorithm selection in the context of ad-hoc information retrieval. Given a query and a pair of retrieval methods, we propose a meta-learner that predicts how to combine the methods' relevance scores into an overall relevance…

Information Retrieval · Computer Science 2019-04-12 Siddhant Arora , Andrew Yates

In this paper, we study item advertisements for small businesses. This application recommends prospective customers to specific items requested by businesses. From analysis, we found that the existing Recommender Systems (RS) were…

Information Retrieval · Computer Science 2022-12-06 Yang Shi , Guannan Liang , Young-joo Chung

Reinforcement learning (RL) algorithms have demonstrated promising results on complex tasks, yet often require impractical numbers of samples since they learn from scratch. Meta-RL aims to address this challenge by leveraging experience…

Machine Learning · Computer Science 2020-10-28 Russell Mendonca , Abhishek Gupta , Rosen Kralev , Pieter Abbeel , Sergey Levine , Chelsea Finn

Recommender systems apply data mining techniques and prediction algorithms to predict users' interest on information, products and services among the tremendous amount of available items. The vast growth of information on the Internet as…

Information Retrieval · Computer Science 2016-11-25 Dhoha Almazro , Ghadeer Shahatah , Lamia Albdulkarim , Mona Kherees , Romy Martinez , William Nzoukou

Large-scale recommender systems often face severe latency and storage constraints at prediction time. These are particularly acute when the number of items that could be recommended is large, and calculating predictions for the full set is…

Information Retrieval · Computer Science 2017-09-05 Maciej Kula

Recommender systems (RecSys) are widely used across various modern digital platforms and have garnered significant attention. Traditional recommender systems usually focus only on fixed and simple recommendation scenarios, making it…

Information Retrieval · Computer Science 2026-02-03 Jiani Huang , Shijie Wang , Liang-bo Ning , Wenqi Fan , Shuaiqiang Wang , Dawei Yin , Qing Li

The explosion of digital data has created multiple opportunities for organizations and individuals to leverage machine learning (ML) to transform the way they operate. However, the shortage of experts in the field of machine learning --…

Machine Learning · Computer Science 2019-11-21 Doron Laadan , Roman Vainshtein , Yarden Curiel , Gilad Katz , Lior Rokach

Reinforcement learning (RL) has shown great promise in optimizing long-term user interest in recommender systems. However, existing RL-based recommendation methods need a large number of interactions for each user to learn a robust…

Machine Learning · Computer Science 2020-12-07 Yanan Wang , Yong Ge , Li Li , Rui Chen , Tong Xu

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have emerged as a popular solution to achieve this. However,…

Machine Learning · Computer Science 2023-02-17 Zhao Mandi , Pieter Abbeel , Stephen James

Action recognition is computationally expensive. In this paper, we address the problem of frame selection to improve the accuracy of action recognition. In particular, we show that selecting good frames helps in action recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Shreyank N Gowda , Marcus Rohrbach , Laura Sevilla-Lara

Recently, competition in the field of artificial intelligence (AI) has intensified among major technological companies, resulting in the continuous release of new large-language models (LLMs) that exhibit improved language understanding and…

Information Retrieval · Computer Science 2025-07-29 Sinnyum Choi , Woong Kim

The effectiveness of recommendation systems is pivotal to user engagement and satisfaction in online platforms. As these recommendation systems increasingly influence user choices, their evaluation transcends mere technical performance and…

Information Retrieval · Computer Science 2024-01-15 Aryan Jadon , Avinash Patil

Large language models (LLMs) are being widely applied across various fields, but as tasks become more complex, evaluating their responses is increasingly challenging. Compared to human evaluators, the use of LLMs to support performance…

Artificial Intelligence · Computer Science 2025-04-25 Yuran Li , Jama Hussein Mohamud , Chongren Sun , Di Wu , Benoit Boulet

Data selection in instruction tuning emerges as a pivotal process for acquiring high-quality data and training instruction-following large language models (LLMs), but it is still a new and unexplored research area for vision-language models…

Computation and Language · Computer Science 2024-02-21 Ruibo Chen , Yihan Wu , Lichang Chen , Guodong Liu , Qi He , Tianyi Xiong , Chenxi Liu , Junfeng Guo , Heng Huang