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User simulators are increasingly central to interactive information retrieval, yet the community lacks standardized evaluation tools. Simulators serve two objectives, behavioral realism (matching real user behavior) and tester reliability…

Information Retrieval · Computer Science 2026-05-01 Saber Zerhoudi

Validating user simulation is a difficult task due to the lack of established measures and benchmarks, which makes it challenging to assess whether a simulator accurately reflects real user behavior. As part of the Sim4IA Micro-Shared Task…

Information Retrieval · Computer Science 2026-01-19 Andreas Konstantin Kruff , Christin Katharina Kreutz , Timo Breuer , Philipp Schaer , Krisztian Balog

Information access systems, such as search engines, recommender systems, and conversational assistants, have become integral to our daily lives as they help us satisfy our information needs. However, evaluating the effectiveness of these…

Human-Computer Interaction · Computer Science 2026-04-21 Krisztian Balog , ChengXiang Zhai

The simulator is an R package that streamlines the process of performing simulations by creating a common infrastructure that can be easily used and reused across projects. Methodological statisticians routinely write simulations to compare…

Computation · Statistics 2016-07-04 Jacob Bien

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

Educational simulations have long been recognized as powerful tools for enhancing learning outcomes, yet their creation has traditionally required substantial resources and technical expertise. This paper introduces MicroSims a novel…

Artificial Intelligence · Computer Science 2025-11-26 Valerie Lockhart , Dan McCreary , Troy A. Peterson

Online user studies of visualizations, visual encodings, and interaction techniques are ubiquitous in visualization research. Yet, designing, conducting, and analyzing studies effectively is still a major burden. Although various packages…

Conversational Information Retrieval (CIR) is an emerging field of Information Retrieval (IR) at the intersection of interactive IR and dialogue systems for open domain information needs. In order to optimize these interactions and enhance…

Information Retrieval · Computer Science 2022-01-11 Pierre Erbacher , Laure Soulier , Ludovic Denoyer

Information Retrieval (IR) evaluation involves far more complexity than merely presenting performance measures in a table. Researchers often need to compare multiple models across various dimensions, such as the Precision-Recall trade-off…

Information Retrieval · Computer Science 2024-12-23 Georgios Peikos , Wojciech Kusa , Symeon Symeonidis

To support the stringent requirements of the future intelligent and interactive applications, intelligence needs to become an essential part of the resource management in the edge environment. Developing intelligent orchestration solutions…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-03 Henna Kokkonen , Susanna Pirttikangas , Lauri Lovén

Serverless computing is gaining traction as an attractive model for the deployment of a multitude of workloads in the cloud. Designing and building effective resource management solutions for any computing environment requires extensive…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-20 Anupama Mampage , Rajkumar Buyya

Developing and testing user interfaces (UIs) and training AI agents to interact with them are challenging due to the dynamic and diverse nature of real-world mobile environments. Existing methods often rely on cumbersome physical devices or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Jiannan Xiang , Yun Zhu , Lei Shu , Maria Wang , Lijun Yu , Gabriel Barcik , James Lyon , Srinivas Sunkara , Jindong Chen

Progress toward Artificial General Intelligence (AGI) faces significant bottlenecks, particularly in rigorously evaluating complex interactive systems and acquiring the vast interaction data needed for training adaptive agents. This paper…

Artificial Intelligence · Computer Science 2025-09-25 Krisztian Balog , ChengXiang Zhai

Understanding user behaviors on social media has garnered significant scholarly attention, enhancing our comprehension of how virtual platforms impact society and empowering decision-makers. Simulating social media behaviors provides a…

Human-Computer Interaction · Computer Science 2025-06-18 Ziyue Lin , Yi Shan , Lin Gao , Xinghua Jia , Siming Chen

User simulation is increasingly vital to develop and evaluate recommender systems (RSs). While Large Language Models (LLMs) offer promising avenues to simulate user behavior, they often struggle with the absence of specific task alignment…

Human-Computer Interaction · Computer Science 2026-04-20 Tianjun Wei , Huizhong Guo , Yingpeng Du , Zhu Sun , Huang Chen , Dongxia Wang , Jie Zhang

The Simulation Environment for Atomistic and Molecular Modeling (SEAMM) is an open-source software package written in Python that provides a graphical interface for setting up, executing, and analyzing molecular and materials simulations.…

Processing-in-memory (PIM) has shown extraordinary potential in accelerating neural networks. To evaluate the performance of PIM accelerators, we present an ISA-based simulation framework including a dedicated ISA targeting neural networks…

Hardware Architecture · Computer Science 2024-02-29 Xinyu Wang , Xiaotian Sun , Yinhe Han , Xiaoming Chen

Progress in conversational information access (CIA) systems has been hindered by the difficulty of evaluating such systems with reproducible experiments. While user simulation offers a promising solution, the lack of infrastructure and…

Information Retrieval · Computer Science 2025-10-27 Nolwenn Bernard , Sharath Chandra Etagi Suresh , Krisztian Balog , ChengXiang Zhai

Processing-in-Memory (PIM) has emerged as a promising computing paradigm to address the memory wall and the fundamental bottleneck of the von Neumann architecture by reducing costly data movement between memory and processing units. As with…

Hardware Architecture · Computer Science 2025-12-02 Mahdi Aghaei , Saba Ebrahimi , Mohammad Saleh Arafati , Elham Cheshmikhani , Dara Rahmati , Saeid Gorgin , Jungrae Kim

Large-scale distributed computing infrastructures such as the Worldwide LHC Computing Grid (WLCG) require comprehensive simulation tools for evaluating performance, testing new algorithms, and optimizing resource allocation strategies.…

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