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Face recognition systems have significantly advanced in recent years, driven by the availability of large-scale datasets. However, several issues have recently came up, including privacy concerns that have led to the discontinuation of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Dominik Lawatsch , Florian Domin , Maxim Schaubert

Class imbalance can often degrade predictive performance of supervised learning algorithms. Balanced classes can be obtained by oversampling exact copies, with noise, or interpolation between nearest neighbours (as in traditional SMOTE…

Machine Learning · Computer Science 2022-01-17 Emily Muller , Xu Zheng , Jer Hayes

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

Computation and Language · Computer Science 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

Aiming at the group decision - making problem with multi - objective attributes, this study proposes a group decision - making system that integrates fuzzy inference and Bayesian network. A fuzzy rule base is constructed by combining…

Artificial Intelligence · Computer Science 2025-05-01 Shui-jin Rong , Wei Guo , Da-qing Zhang

There is a need for synthetic training and test datasets that replicate statistical distributions of original datasets without compromising their confidentiality. A lot of research has been done in leveraging Generative Adversarial Networks…

Machine Learning · Computer Science 2026-02-06 Laura Plein , Alexi Turcotte , Arina Hallemans , Andreas Zeller

In the combinatorial recommender systems, multiple items are fed to the user at one time in the result page, where the correlations among the items have impact on the user behavior. In this work, we model the combinatorial recommendation as…

Information Retrieval · Computer Science 2019-06-25 Fan Wang , Xiaomin Fang , Lihang Liu , Yaxue Chen , Jiucheng Tao , Zhiming Peng , Cihang Jin , Hao Tian

The increasing reliance on large-scale datasets in machine learning poses significant privacy and ethical challenges, particularly in sensitive domains such as face recognition. Synthetic data generation offers a promising alternative;…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Parsa Rahimi , Damien Teney , Sebastien Marcel

Recommender systems have been actively studied and applied in various domains to deal with information overload. Although there are numerous studies on recommender systems for movies, music, and e-commerce, comparatively less attention has…

Information Retrieval · Computer Science 2024-04-04 Minjoo Choi , Seonmi Kim , Yejin Kim , Youngbin Lee , Joohwan Hong , Yongjae Lee

Most prognostic methods require a decent amount of data for model training. In reality, however, the amount of historical data owned by a single organization might be small or not large enough to train a reliable prognostic model. To…

Machine Learning · Statistics 2024-04-11 Madi Arabi , Xiaolei Fang

Microplastic particle ingestion or inhalation by humans is a problem of growing concern. Unfortunately, current research methods that use machine learning to understand their potential harms are obstructed by a lack of available data. Deep…

Machine Learning · Computer Science 2024-05-02 Daniel Platnick , Sourena Khanzadeh , Alireza Sadeghian , Richard Anthony Valenzano

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

Information flow guided synthesis is a compositional approach to the automated construction of distributed systems where the assumptions between the components are captured as information-flow requirements. Information-flow requirements are…

Logic in Computer Science · Computer Science 2024-07-18 Bernd Finkbeiner , Niklas Metzger , Yoram Moses

Recent advances in generative artificial intelligence, particularly large language models (LLMs), have opened new opportunities for enhancing recommender systems (RecSys). Most existing LLM-based RecSys approaches operate in a discrete…

Information Retrieval · Computer Science 2026-02-25 Haohao Qu , Shanru Lin , Yujuan Ding , Yiqi Wang , Wenqi Fan

Information technology has spread widely, and extraordinarily large amounts of data have been made accessible to users, which has made it challenging to select data that are in accordance with user needs. For the resolution of the above…

Information Retrieval · Computer Science 2020-08-05 Saman Forouzandeh , Mehrdad Rostami , Kamal Berahmand

The embedding-based architecture has become the dominant approach in modern recommender systems, mapping users and items into a compact vector space. It then employs predefined similarity metrics, such as the inner product, to calculate…

Information Retrieval · Computer Science 2024-04-19 Liang Qu , Yun Lin , Wei Yuan , Xiaojun Wan , Yuhui Shi , Hongzhi Yin

Synthetic data generation is an important application of machine learning in the field of medical imaging. While existing approaches have successfully applied fine-tuned diffusion models for synthesizing medical images, we explore potential…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Lakshmi Nair

Many ground-breaking advancements in machine learning can be attributed to the availability of a large volume of rich data. Unfortunately, many large-scale datasets are highly sensitive, such as healthcare data, and are not widely available…

Machine Learning · Computer Science 2020-12-09 James Jordon , Alan Wilson , Mihaela van der Schaar

Session-based recommender systems typically focus on using only the triplet (user_id, timestamp, item_id) to make predictions of users' next actions. In this paper, we aim to utilize side information to help recommender systems catch…

Information Retrieval · Computer Science 2024-06-04 Yukun Jiang , Leo Guo , Xinyi Chen , Jing Xi Liu

Sequential recommender systems rank relevant items by modeling a user's interaction history and computing the inner product between the resulting user representation and stored item embeddings. To avoid the significant memory overhead of…

Test collections play a vital role in evaluation of information retrieval (IR) systems. Obtaining a diverse set of user queries for test collection construction can be challenging, and acquiring relevance judgments, which indicate the…

Information Retrieval · Computer Science 2024-05-14 Hossein A. Rahmani , Nick Craswell , Emine Yilmaz , Bhaskar Mitra , Daniel Campos
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