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We propose RecSim, a configurable platform for authoring simulation environments for recommender systems (RSs) that naturally supports sequential interaction with users. RecSim allows the creation of new environments that reflect particular…

Machine Learning · Computer Science 2019-09-27 Eugene Ie , Chih-wei Hsu , Martin Mladenov , Vihan Jain , Sanmit Narvekar , Jing Wang , Rui Wu , Craig Boutilier

Recent model-based Recommender Systems (RecSys) algorithms emphasize on the use of features, also called side information, in their design similar to algorithms in Machine Learning (ML). In contrast, some of the most popular and traditional…

Information Retrieval · Computer Science 2022-07-19 Lukas Wegmeth

Training recommendation systems (RecSys) faces several challenges as it requires the "data preprocessing" stage to preprocess an ample amount of raw data and feed them to the GPU for training in a seamless manner. To sustain high training…

Hardware Architecture · Computer Science 2024-06-24 Yunjae Lee , Hyeseong Kim , Minsoo Rhu

Waterfall Recommender System (RS), a popular form of RS in mobile applications, is a stream of recommended items consisting of successive pages that can be browsed by scrolling. In waterfall RS, when a user finishes browsing a page, the…

Information Retrieval · Computer Science 2022-06-27 Xufeng Qian , Yue Xu , Fuyu Lv , Shengyu Zhang , Ziwen Jiang , Qingwen Liu , Xiaoyi Zeng , Tat-Seng Chua , Fei Wu

Using 286 research papers collected from Web of Science, ScienceDirect, SpringerLink, arXiv, and Google Scholar databases, a systematic review methodology was adopted to review and summarize the current challenges and potential future…

Information Retrieval · Computer Science 2024-07-30 Xin Ma , Mingyue Li , Xuguang Liu

Estimating causal effects from observational data has become increasingly critical in diverse fields including healthcare, economics, and social policy. The fundamental challenge in causal inference arises from the missing counterfactuals…

Machine Learning · Computer Science 2026-05-08 Yifei Xie , Jian Huang

Recommendation system has gained a large popularity for a variety of personalized suggestion tasks, but the ever-increasing number of user data makes real-time processing of recommendation systems difficult. NAND flash memory-based…

Hardware Architecture · Computer Science 2026-04-29 Jangho Baik , Sunghyun Kim , Gisan Ji , Wonbo Shim , Sungju Ryu

Generative modeling techniques such as Diffusion and Flow Matching have achieved significant successes in generating designable and diverse protein backbones. However, many current models are computationally expensive, requiring hundreds or…

Biomolecules · Quantitative Biology 2025-10-30 Junhua Chen , Simon Mathis , Charles Harris , Kieran Didi , Pietro Lio

Data and algorithm sharing is an imperative part of data and AI-driven economies. The efficient sharing of data and algorithms relies on the active interplay between users, data providers, and algorithm providers. Although recommender…

Information Retrieval · Computer Science 2022-10-27 Peter Müllner , Stefan Schmerda , Dieter Theiler , Stefanie Lindstaedt , Dominik Kowald

Collecting flow records is a common practice of network operators and researchers for monitoring, diagnosing and understanding a network. Traditional tools like NetFlow face great challenges when both the speed and the complexity of the…

Networking and Internet Architecture · Computer Science 2018-12-06 Zongyi Zhao , Xingang Shi , Xia Yin , Zhiliang Wang

We introduce SurfFlow, an open-source high-throughput workflow package designed for automated first-principles calculations of surface energies in arbitrary crystals. Our package offers a comprehensive solution capable of handling…

Materials Science · Physics 2023-11-07 Firat Yalcin , Michael Wolloch

The textile and apparel industries have grown tremendously over the last few years. Customers no longer have to visit many stores, stand in long queues, or try on garments in dressing rooms as millions of products are now available in…

Information Retrieval · Computer Science 2023-09-13 Yashar Deldjoo , Fatemeh Nazary , Arnau Ramisa , Julian Mcauley , Giovanni Pellegrini , Alejandro Bellogin , Tommaso Di Noia

Sequential Recommender Systems (SRSs) have emerged as a highly efficient approach to recommendation systems. By leveraging sequential data, SRSs can identify temporal patterns in user behaviour, significantly improving recommendation…

In an Information Retrieval (IR) system, reranking plays a critical role by sorting candidate passages according to their relevance to a specific query. This process demands a nuanced understanding of the variations among passages linked to…

Information Retrieval · Computer Science 2026-04-20 Can Jin , Hongwu Peng , Anxiang Zhang , Nuo Chen , Jiahui Zhao , Xi Xie , Kuangzheng Li , Shuya Feng , Kai Zhong , Caiwen Ding , Dimitris N. Metaxas

Water scarcity and the low quality of wastewater produced in industrial applications present significant challenges, particularly in managing fresh water intake and reusing residual quantities. These issues affect various industries,…

Optimization and Control · Mathematics 2025-04-25 Stavros Vatikiotis , Ioannis Avgerinos , Stathis Plitsos , Georgios Zois

Hospitals around the world collect massive amounts of physiological data from their patients every day. Recently, there has been an increase in research interest to subject this data to statistical analysis to gain more insights and provide…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-04 Anand Jayarajan , Kimberly Hau , Andrew Goodwin , Gennady Pekhimenko

The rapid proliferation of large language models (LLMs) has intensified the requirement for reliable safety evaluation to uncover model vulnerabilities. To this end, numerous LLM safety evaluation benchmarks are proposed. However, existing…

Computation and Language · Computer Science 2025-08-22 Xiangyang Zhu , Yuan Tian , Chunyi Li , Kaiwei Zhang , Wei Sun , Guangtao Zhai

This paper presents the first multistakeholder approach for translating diverse stakeholder values into an evaluation metric setup for Recommender Systems (RecSys) in digital archives. While commercial platforms mainly rely on engagement…

Information Retrieval · Computer Science 2025-07-17 Florian Atzenhofer-Baumgartner , Georg Vogeler , Dominik Kowald

Diffusion-based remote sensing (RS) generative foundation models are cruial for downstream tasks. However, these models rely on large amounts of globally representative data, which often contain redundancy, noise, and class imbalance,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Fan Wei , Runmin Dong , Yushan Lai , Yixiang Yang , Zhaoyang Luo , Jinxiao Zhang , Miao Yang , Shuai Yuan , Jiyao Zhao , Bin Luo , Haohuan Fu

Robotic Process Automation (RPA) systems face challenges in handling complex processes and diverse screen layouts that require advanced human-like decision-making capabilities. These systems typically rely on pixel-level encoding through…

Robotics · Computer Science 2024-05-22 Arushi Jain , Shubham Paliwal , Monika Sharma , Lovekesh Vig , Gautam Shroff